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Honey: Bacteria's Worst Enemy
 
04:20
It may not look like it sitting in that cute bear bottle, but honey is a supercharged bacteria-killing powerhouse! Learn more about hydrogen peroxide: https://www.youtube.com/watch?v=vVSC79nxCvI Hosted by: Hank Green ---------- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow ---------- Dooblydoo thanks go to the following Patreon supporters -- we couldn't make SciShow without them! Shout out to Justin Ove, Coda Buchanan, Lucy McGlasson, Accalia Elementia, Mark Terrio-Cameron, Saul, Kathy & Tim Philip, Kevin Bealer, Christopher Collins, Thomas J., charles george, Andreas Heydeck, Patrick D. Ashmore, Justin Lentz, Will and Sonja Marple, Ed Shelley, Chris Peters, Tim Curwick, Philippe von Bergen, Fatima Iqbal. ---------- Like SciShow? Want to help support us, and also get things to put on your walls, cover your torso and hold your liquids? Check out our awesome products over at DFTBA Records: http://dftba.com/scishow ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Instagram: http://instagram.com/thescishow ---------- Sources: http://www.ncbi.nlm.nih.gov/pubmed/22095907 http://pubs.acs.org/doi/abs/10.1021/ed084p1643?journalCode=jceda8 http://www.compoundchem.com/2014/08/21/chemistryofhoney/ https://edis.ifas.ufl.edu/aa142 http://www.sciencedirect.com/science/article/pii/S0278691510003959 http://www.scientificamerican.com/article/how-do-salt-and-sugar-pre/ http://www.livescience.com/33061-why-does-hydrogen-peroxide-fizz-on-cuts.html http://emedicine.medscape.com/article/961833-overview#a5 Images: https://commons.wikimedia.org/wiki/File:Cueva_arana.jpg https://commons.wikimedia.org/wiki/File:Cristallizzazione_del_miele_IMG_0371.JPG https://commons.wikimedia.org/wiki/File:77_1gpe.png https://commons.wikimedia.org/wiki/File:Apis_mellifera_Portrait.jpg https://en.wikipedia.org/wiki/Methylglyoxal#/media/File:Pyruvaldehyde.svg https://commons.wikimedia.org/wiki/File:Manuka_flowers_and_native_bee.jpg
Views: 2111917 SciShow
So what IS the Higgs boson?
 
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Hank responds to viewer questions, and explains what the Higgs boson particle actually IS. Follow SciShow on Twitter: http://www.twitter.com/scishow Like SciShow on Facebook: http://www.facebook.com/scishow
Views: 992244 SciShow
Tardigrades: Adorable Extremophiles
 
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Hank explains why NASA and the European Space Agency are in love with tardigrades and how these extremophiles are helping us study the panspermia hypothesis. Follow SciShow on Twitter! http://www.twitter.com/scishow Like SciShow on Facebook! http://www.facebook.com/scishow
Views: 1244118 SciShow
How a Bee Becomes Queen
 
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Royal jelly! For bees, it’s what makes all the difference between a queen and a worker. Hosted by: Hank Green ---------- Dooblydoo thanks go to the following Patreon supporters -- we couldn't make SciShow without them! Shout out to Justin Ove, Justin Lentz, David Campos, John Szymakowski, Peso255, Jeremy Peng, Avi Yaschin, and Fatima Iqbal. ---------- Like SciShow? Want to help support us, and also get things to put on your walls, cover your torso and hold your liquids? Check out our awesome products over at DFTBA Records: http://dftba.com/scishow Or help support us by becoming our patron on Patreon: https://www.patreon.com/scishow ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Instagram: http://instagram.com/thescishow Sources: http://www.acs.org/content/acs/en/pressroom/presspacs/2011/acs-presspac-september-21-2011/queen-bee-or-worker-bee-new-insights-into-famous-honeybee-society-caste-system.html http://pubs.acs.org/doi/abs/10.1021/pr200473a http://pubs.acs.org/doi/abs/10.1021/pr200473a?tokenDomain=presspac&tokenAccess=presspac&forwardService=showFullText&journalCode=jprobs http://blogs.discovermagazine.com/80beats/2011/04/26/what-makes-a-queen-bee-one-special-protein-apparently/#.VXevolzBzGc http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3059907/ http://westernfarmpress.com/management/queen-bees-need-more-royal-jelly http://blogs.nature.com/news/2011/04/honey_bees.html http://www.slate.com/articles/health_and_science/science/2012/11/democracy_in_honeybees_and_other_animals_what_humans_can_learn_from_social.single.html http://www.nature.com/nature/journal/v473/n7348/full/nature10093.html http://usabtm.weburl.ro/utilizatori/ZOOTEHNIE/file/REVISTA%202011/vol%2044/2/BIOCHIM/Barnutiu.pdf https://www.flickr.com/photos/usgsbiml/
Views: 4645975 SciShow
Liquid Fluoride Thorium Reactors (LFTR): Energy for the Future?
 
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Hank addresses a highly requested topic - liquid fluoride thorium reactors - and tells us how LFTR might be the future of energy in ... China? Like SciShow on Facebook: http://www.facebook.com/scishow Follow SciShow on Twitter: http://www.twitter.com/scishow References: http://www.washingtonpost.com/national/health-science/nuclear-power-entrepreneurs-push-thorium-as-a-fuel/2011/12/15/gIQALTinPR_story.html http://theweek.com/article/index/213611/could-thorium-make-nuclear-power-safe
Views: 608690 SciShow
Where Do Domestic Cats Come From?
 
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Do you give ancient Egypt credit for the domestication of cats? That’s what many people think! But, with some new evidence, it seems that cats became our cuddly counterparts a little further east and because of an emerging pest problem. Hosted by: Hank Green ---------- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow ---------- Dooblydoo thanks go to the following Patreon supporters -- we couldn't make SciShow without them! Shout out to Bryce Daifuku, Kevin Bealer, Justin Lentz, Mark Terrio-Cameron, Patrick Merrithew, Accalia Elementia, Fatima Iqbal, Benny, Kyle Anderson, Mike Frayn, Tim Curwick, Will and Sonja Marple, Philippe von Bergen, Chris Peters, Kathy Philip, Patrick D. Ashmore, Thomas J., Charles George, Bader AlGhamdi. ---------- Like SciShow? Want to help support us, and also get things to put on your walls, cover your torso and hold your liquids? Check out our awesome products over at DFTBA Records: http://dftba.com/scishow ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Instagram: http://instagram.com/thescishow ---------- Sources: http://www.sciencemag.org/news/2016/01/were-cats-domesticated-more-once http://www.sciencemag.org/news/2013/12/when-cats-became-comrades http://www.pnas.org/content/111/1/116 http://www.smithsonianmag.com/history/a-brief-history-of-house-cats-158390681/?no-ist http://www.pnas.org/content/111/48/17230.abstract http://www.sciencemag.org/news/2014/11/genes-turned-wildcats-kitty-cats http://www.slate.com/articles/health_and_science/science/2015/07/cat_domestication_debate_over_hunting_tameness_docility_affection_feral.html http://www.livescience.com/48696-origins-of-cat-domestication.html http://science.sciencemag.org/content/317/5837/519 http://journals.plos.org/plosone/article?id=10.1371/journal.pone.0147295 Images: Egyptian Tomb Carvings: https://commons.wikimedia.org/wiki/File:Sarcophagus_of_Prince_Thutmose%27s_cat_by_Madam_Rafa%C3%A8le.jpg Bastet:https://commons.wikimedia.org/wiki/File:Bastet_Istanbul_museum.JPG Fertile Crescent: https://commons.wikimedia.org/wiki/File:Fertile_Crescent_map.png African Wild Cat: https://commons.wikimedia.org/wiki/File:AfricanWildCat.jpg Wild Cat 2: https://commons.wikimedia.org/wiki/File:Felis_Lybica_Sarda_05.JPG Leopard Cat: https://commons.wikimedia.org/wiki/File:Leopard_Cat_Tennoji.jpg Leopard Cat Night: https://commons.wikimedia.org/wiki/File:Leopard_cat_India.jpg
Views: 877772 SciShow
Strong Interaction: The Four Fundamental Forces of Physics #1a
 
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Part one of a four part series on the fundamental forces (or interactions) of physics begins with the strong force or strong interaction - which on the small scale holds quarks together to form protons, neutrons and other hadron particles. Like SciShow on Facebook: http://www.facebook.com/scishow Follow SciShow on Twitter: http://www.twitter.com/scishow
Views: 805961 SciShow
IDTIMWYTIM: Radiation
 
03:04
Hank explains the whole story about radiation - the good, the extremely helpful, and the bad. Like SciShow on Facebook: http://www.facebook.com/scishow Follow SciShow on Twitter: http://www.twitter.com/scishow
Views: 492296 SciShow
Bitcoin: How Cryptocurrencies Work
 
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Whether or not it's worth investing in, the math behind Bitcoin is an elegant solution to some complex problems. Hosted by: Michael Aranda Special Thanks: Dalton Hubble Learn more about Cryptography: https://www.youtube.com/watch?v=-yFZGF8FHSg ---------- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow ---------- Dooblydoo thanks go to the following Patreon supporters—we couldn't make SciShow without them! Shout out to Bella Nash, Kevin Bealer, Mark Terrio-Cameron, Patrick Merrithew, Charles Southerland, Fatima Iqbal, Benny, Kyle Anderson, Tim Curwick, Will and Sonja Marple, Philippe von Bergen, Bryce Daifuku, Chris Peters, Patrick D. Ashmore, Charles George, Bader AlGhamdi ---------- Like SciShow? Want to help support us, and also get things to put on your walls, cover your torso and hold your liquids? Check out our awesome products over at DFTBA Records: http://dftba.com/scishow ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Instagram: http://instagram.com/thescishow ---------- Sources: https://bitinfocharts.com/ https://chrispacia.wordpress.com/2013/09/02/bitcoin-mining-explained-like-youre-five-part-2-mechanics/ https://www.youtube.com/watch?v=Lx9zgZCMqXE https://www.youtube.com/watch?v=nQZUi24TrdI https://bitcoin.org/en/how-it-works http://www.forbes.com/sites/investopedia/2013/08/01/how-bitcoin-works/#36bd8b2d25ee http://www.makeuseof.com/tag/how-does-bitcoin-work/ https://blockchain.info/charts/total-bitcoins https://en.bitcoin.it/wiki/Controlled_supply https://www.bitcoinmining.com/ http://bitamplify.com/mobile/?a=news Image Sources: https://commons.wikimedia.org/wiki/File:Cryptocurrency_Mining_Farm.jpg
Views: 2699017 SciShow
Epigenetics
 
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Hank & his clone Circus Hank explain the power of epigenetics, which studies the factors that determine how much or whether some genes are expressed in your body. Like SciShow on Facebook! http://www.facebook.com/scishow Follow SciShow on Twitter! http://www.twitter.com/scishow More SciShow! Solar Energy - http://youtu.be/4uPVZUTLAvA Foldit Gamers FTW - http://youtu.be/JdBcpdH_ptA
Views: 1922745 SciShow
Oklo, the Two Billion Year Old Nuclear Reactor
 
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SciShow takes you to a uranium deposit in Africa where, eons ago, a unique set of conditions came together to form the world’s only known natural nuclear reactor. Check it out! No radiation suit required! Hosted by: Hank Green ---------- Like SciShow? Want to help support us, and also get things to put on your walls, cover your torso and hold your liquids? Check out our awesome products over at DFTBA Records: http://dftba.com/scishow Or help support us by subscribing to our page on Subbable: https://subbable.com/scishow ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Thanks Tank Tumblr: http://thankstank.tumblr.com Sources:
Views: 2228323 SciShow
Lead: The Original Artificial Sweetener
 
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Lead is really useful when you add it to things like paint and gasoline. Problem is, it’s also poisonous. Hosted by: Hank Green ---------- Dooblydoo thanks go to the following Patreon supporters -- we couldn't make SciShow without them! Shout out to Justin Ove, John Szymakowski, Fatima Iqbal, Justin Lentz, David Campos, and Chris Peters. ---------- Like SciShow? Want to help support us, and also get things to put on your walls, cover your torso and hold your liquids? Check out our awesome products over at DFTBA Records: http://dftba.com/scishow Or help support us by becoming our patron on Patreon: https://www.patreon.com/scishow ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Instagram: http://instagram.com/thescishow Sources: http://www.atsdr.cdc.gov/toxfaqs/TF.asp?id=93&tid=22 http://www.thenation.com/article/secret-history-lead?page=0,0 http://www.rsc.org/chemistryworld/News/2007/January/19010702.asp http://www.niehs.nih.gov/health/topics/agents/lead/ http://www.theatlantic.com/features/archive/2014/03/the-toxins-that-threaten-our-brains/284466/ http://www.radford.edu/~wkovarik/ethylwar/IJOEH.pdf http://www.pbs.org/benfranklin/l3_inquiring_medical.html https://books.google.co.nz/books?id=oAAAAAAAMBAJ&pg=PA94&hl=en#v=onepage&q&f=false http://www.slate.com/articles/news_and_politics/explainer/2007/08/why_do_they_put_lead_paint_in_toys.html http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1139187/ http://www.smithsonianmag.com/arts-culture/sugar-of-lead-a-deadly-sweetener-89984487/?no-ist
Views: 733768 SciShow
Why (and How) Do Bees Make Honey?
 
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Quick Questions explains how some bees can transform flower nectar into the liquid gold that you use to sweeten your tea. Hosted by: Hank Green ---------- Like SciShow? Want to help support us, and also get things to put on your walls, cover your torso and hold your liquids? Check out our awesome products over at DFTBA Records: http://dftba.com/artist/52/SciShow Or help support us by subscribing to our page on Subbable: https://subbable.com/scishow ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Thanks Tank Tumblr: http://thankstank.tumblr.com Sources: http://www.livescience.com/37611-what-is-honey-honeybees.html http://web.ncsu.edu/abstract/science/how-do-bees-make-honey/ http://www.theguardian.com/lifeandstyle/2013/aug/10/how-bees-make-honey-ask-a-grown-up http://animals.howstuffworks.com/insects/question300.htm http://insects.about.com/od/antsbeeswasps/p/honeybeesociety.htm
Views: 531243 SciShow
5 of the World's Most Dangerous Chemicals
 
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They explode when you touch them. Even a millionth of a gram can kill you. They can even disable you with their horrifying smell. SciShow introduces you to give of the most dangerous chemicals in the world. Hosted by: Hank Green ---------- Like SciShow? Want to help support us, and also get things to put on your walls, cover your torso and hold your liquids? Check out our awesome products over at DFTBA Records: http://dftba.com/scishow Or help support us by subscribing to our page on Subbable: https://subbable.com/scishow ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Thanks Tank Tumblr: http://thankstank.tumblr.com Sources: http://pipeline.corante.com/archives/things_i_wont_work_with/ http://web.archive.org/web/20060318221608/http://www.airproducts.com/nr/rdonlyres/8479ed55-2170-4651-a3d4-223b2957a9f3/0/safetygram39.pdf http://www.bunkertours.co.uk/germany_2004.htm http://onlinelibrary.wiley.com/doi/10.1002/anie.201100300/abstract http://www2.chemistry.msu.edu/courses/CEM958/10-11/talks/Spahlinger.pdf http://www.atsdr.cdc.gov/csem/csem.asp?csem=6&po=12 http://books.google.com.au/books?id=MSDOAAAAMAAJ&pg=RA3-PA6&lpg=RA3-PA6&dq=smell+thioacetone&source=bl&ots=X0UH-GWpAa&sig=5wmkE-x9ZTWlWq5mCb6aQ9Argvw&hl=en&ei=14IoSoXQAtuptgeX0-jWBQ&sa=X&oi=book_result&ct=result&redir_esc=y http://www.ebah.com.br/content/ABAAAe2O8AA/clayden-greeves-organic-chemistry https://www.princeton.edu/~achaney/tmve/wiki100k/docs/Thiol.html http://webbook.nist.gov/cgi/cbook.cgi?ID=C4756052&Mask=8 http://www.psc.edu/science/Klein2000/getting_jump_on_superacids.pdf http://www.realclearscience.com/blog/2013/08/the-worlds-strongest-acids.html http://science.howstuffworks.com/acid-info.htm http://pipeline.corante.com/archives/2013/01/09/things_i_wont_work_with_azidoazide_azides_more_or_less.php http://onlinelibrary.wiley.com/doi/10.1002/anie.201100300/abstract http://web.archive.org/web/20060318221608/http://www.airproducts.com/nr/rdonlyres/8479ed55-2170-4651-a3d4-223b2957a9f3/0/safetygram39.pdf http://www.purdue.edu/ehps/rem/hmm/pyro.htm
Views: 7327265 SciShow
Why No Giant Mammals?
 
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Hank gives a quick run-down of the reasons scientists think the land mammals of today are nowhere near the size of the largest sauropods. Some of them might surprise you! If you liked this video, check out more videos about natural history and paleontology on SciShow's sister channel, Eons: https://www.youtube.com/eons Like SciShow? Want to help support us, and also get things to put on your walls, cover your torso and hold your liquids? Check out our awesome products over at DFTBA Records: http://dftba.com/artist/52/SciShow -- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com SOURCES http://news.discovery.com/animals/how-dinosaurs-got-so-big-120131.html http://dinosaurs.about.com/od/dinosaurevolution/a/bigdinos.htm http://www.newscientist.com/article/dn19771-why-mammals-grew-big--and-then-stopped.html http://www.scientificamerican.com/article.cfm?id=land-size-limits-body-size http://ngm.nationalgeographic.com/ngm/0507/resources_who.html http://earthsky.org/earth/felisa-smith-why-mammals-havent-out-sized-biggest-dinosaurs http://www.sciencemag.org/content/330/6008/1216.abstract http://www.cam.ac.uk/research/features/mammals-vs-dinosaurs http://blogs.smithsonianmag.com/dinosaur/2012/06/when-mammals-ate-dinosaurs/ http://svpow.com/2013/02/19/personal-milestones-publishing-the-ph-d http://www.slate.com/articles/news_and_politics/explainer/2009/02/a_snake_the_size_of_a_plane.html http://www.dinodatabase.com/dinorcds.asp http://voices.yahoo.com/indricotherium-largest-land-mammal-ever-237482.html http://science.kqed.org/quest/2010/03/17/the-largest-land-mammal-that-ever-lived/ http://phenomena.nationalgeographic.com/2013/02/25/dinosaur-reproduction-not-ancient-gravity-made-sauropods-super-sized/ http://www.popsci.com/science/article/2012-02/hot-weather-makes-mammals-smaller-%E2%80%94%C2%A0what-does-mean-global-warming http://scienceline.ucsb.edu/getkey.php?key=427 http://www.smithsonianmag.com/science-nature/dinosaurs/How-to-Build-a-Giant-Dinosaur.html http://www.plosone.org/article/info:doi/10.1371/journal.pone.0028442 http://www.nmfs.noaa.gov/pr/species/mammals/cetaceans/bluewhale.htm
Views: 1866528 SciShow
Sprites, Jets, and Glowing Balls: The Science of Lightning
 
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Ever wonder how lightning works? Scientists are still figuring it out, but what we do know is fascinating. Learn about positive and negative lightning, red sprites, blue jets, and ball lightning in this episode of SciShow! Hosted by: Michael Aranda ---------- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow ---------- Dooblydoo thanks go to the following Patreon supporters -- we couldn't make SciShow without them! Shout out to Justin Ove, Andreas Heydeck, Justin Lentz, Will and Sonja Marple, Benny, Chris Peters, Tim Curwick, Philippe von Bergen, Patrick, Fatima Iqbal, Lucy McGlasson, Mark Terrio-Cameron, Accalia Elementia, Kathy & Tim Philip, charles george, Kevin Bealer, Thomas J., and Patrick D. Ashmore. ---------- Like SciShow? Want to help support us, and also get things to put on your walls, cover your torso and hold your liquids? Check out our awesome products over at DFTBA Records: http://dftba.com/scishow ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Instagram: http://instagram.com/thescishow ---------- Sources: Basics about lightning (types and positive/negative) http://hyperphysics.phy-astr.gsu.edu/hbase/electric/elefie.html http://www.colorado.edu/physics/phys1120/phys1120_fa09/LectureNotes/ChargesElectricFields.pdf http://www.nssl.noaa.gov/education/svrwx101/lightning/types/ https://www.ec.gc.ca/foudre-lightning/default.asp?lang=En&n=9353715C-1 http://hyperphysics.phy-astr.gsu.edu/hbase/electric/lightning.html http://hyperphysics.phy-astr.gsu.edu/hbase/electric/ligseq.html https://www.loc.gov/rr/scitech/mysteries/thunder.html http://www.srh.noaa.gov/srh/jetstream/lightning/positive.html http://news.discovery.com/earth/is-lightning-hotter-than-the-sun.htm http://www.srh.noaa.gov/jetstream/lightning/lightning_max.html https://www.unz.org/Pub/SaturdayRev-1972may13-00036 http://www.srh.noaa.gov/srh/jetstream/lightning/thunder.html http://science.howstuffworks.com/nature/natural-disasters/lightning2.htm Red Sprites and Blue Jets http://www.ee.psu.edu/directory/facultyinfo/pasko/Publications/PaskoPSST07.pdf http://www.popsci.com/what-red-sprite http://www.smithsonianmag.com/science-nature/scientists-capture-rare-photographs-of-red-lightning-544670/?no-ist https://www.sciencedaily.com/releases/2008/03/080328102738.htm http://elf.gi.alaska.edu/ Ball lightning https://www.newscientist.com/article/dn9293-physicists-create-great-balls-of-fire/ http://www.ipp.mpg.de/ippcms/eng/presse/archiv/05_06_pi http://phys.org/news/2012-10-mystery-ball-lightning.html http://physics.aps.org/articles/v7/5 http://phys.org/news/2014-01-instance-ball-lightning-captured-video.html http://news.discovery.com/earth/weather-extreme-events/ball-lightning-121012.htm Image sources: http://www.publicdomainpictures.net/view-image.php?image=94592&picture=desert-lightning https://commons.wikimedia.org/wiki/File:FoggDam-NT.jpg https://commons.wikimedia.org/wiki/Lightning#/media/File:Lightning_slow_motion.gif https://commons.wikimedia.org/wiki/File:The_Sun_by_the_Atmospheric_Imaging_Assembly_of_NASA%27s_Solar_Dynamics_Observatory_-_20100819.jpg?fastcci_from=17827&c1=17827&d1=15&s=200&a=fqv https://commons.wikimedia.org/wiki/File:Anvil-to-ground_lightning.jpg https://commons.wikimedia.org/wiki/File:ISS-44_Red_Sprites,_northwest_Mexico.jpg https://commons.wikimedia.org/wiki/File:BigRed-Sprite.jpg https://www.youtube.com/watch?v=dY5F_gEexAY&feature=youtu.be https://commons.wikimedia.org/wiki/File:Ball_lightning_spectrum.svg
Views: 352216 SciShow
3 Neat Facts About Narwhals (Including: They're Real!)
 
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In case you didn't know, not only are narwhals real, they're rad. Hank shares some little known facts about one of the least understood sea mammals, including some insights into why they're so hard to study, and what that big thing on its face is for! ----------- Like SciShow? Want to help support us, and also get things to put on your walls, cover your torso and hold your liquids? Check out our awesome products over at DFTBA Records: http://dftba.com/artist/52/SciShow Or help support us by subscribing to our page on Subbable: https://subbable.com/scishow -- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Thanks Tank Tumblr: http://thankstank.tumblr.com Sources: http://www.narwhal.org/index.html http://animals.nationalgeographic.com/animals/mammals/narwhal/ http://ngm.nationalgeographic.com/2007/08/hunting-narwhals/hunting-narwhals-text http://animaldiversity.ummz.umich.edu/accounts/Monodontidae/ http://www.nytimes.com/2005/12/13/science/13narw.html?pagewanted=all&_r=0 ** tusk is sensitive http://www.smithsonianmag.com/science-nature/In-Search-of-the-Mysterious-Narwhal.html * http://science.howstuffworks.com/zoology/marine-life/narwhal3.htm *tusks http://www.defenders.org/narwhal/basic-facts
Views: 850850 SciShow
Neanderthals: Smarter Than You Think
 
03:59
You have more in common with a Neanderthal than you might think. Michael Aranda explains our latest finds in this episode of SciShow! Hosted by: Michael Aranda ---------- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow ---------- Dooblydoo thanks go to the following Patreon supporters -- we couldn't make SciShow without them! Shout out to Justin Ove, Accalia Elementia, Kathy & Tim Philip, Kevin Bealer, Justin Lentz, Fatima Iqbal, Linnea Boyev, Tomasz Jonarski, Chris Peters, Philippe von Bergen, Will and Sonja Marple, and Mark Terrio-Cameron. ---------- Like SciShow? Want to help support us, and also get things to put on your walls, cover your torso and hold your liquids? Check out our awesome products over at DFTBA Records: http://dftba.com/scishow ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Instagram: http://instagram.com/thescishow ---------- Sources: http://humanorigins.si.edu/evidence/human-fossils/species/homo-neanderthalensis http://www.sciencedirect.com/science/article/pii/S0960982207020659#aff1 http://mbe.oxfordjournals.org/content/30/4/844.long http://www.slate.com/blogs/quora/2013/09/22/how_complex_was_neanderthal_speech.html http://journal.frontiersin.org/article/10.3389/fpsyg.2013.00397/full http://io9.gizmodo.com/early-humans-may-have-ripped-off-neanderthal-technology-1120926300 http://www.academia.edu/2701094/Neanderthal_Cognitive_Ability_and_Technological_Development http://www.pbs.org/wgbh/nova/evolution/defy-stereotypes.html http://www.bbc.com/news/science-environment-25465102 http://www.nature.com/news/neanderthal-culture-old-masters-1.12974 http://www.pnas.org/content/110/35/14186.full http://www.pbs.org/wgbh/nova/evolution/are-neanderthals-human.html
Views: 400184 SciShow
Are Sore Muscles Growing?
 
02:00
You hit the gym for the first time forever and now you can barely move... that means you're getting totally ripped, right? Maybe! Find out on this week's QQ! Hosted by: Hank Green ---------- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow ---------- Dooblydoo thanks go to the following Patreon supporters -- we couldn't make SciShow without them! Shout out to Justin Ove, Accalia Elementia, Kathy & Tim Philip, Kevin Bealer, Justin Lentz, Fatima Iqbal, Linnea Boyev, Tomasz Jonarski, Chris Peters, Philippe von Bergen, Will and Sonja Marple, and Mark Terrio-Cameron. ---------- Like SciShow? Want to help support us, and also get things to put on your walls, cover your torso and hold your liquids? Check out our awesome products over at DFTBA Records: http://dftba.com/scishow ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Instagram: http://instagram.com/thescishow ---------- Sources:
Views: 876624 SciShow
Why the Weak Nuclear Force Ruins Everything
 
06:46
The weak force has been causing trouble for a century, ruining everything physicists thought was true. But it might actually be responsible for your very existence. Hosted by: Hank Green Head to https://scishowfinds.com/ for hand selected artifacts of the universe! ---------- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow ---------- Dooblydoo thanks go to the following Patreon supporters: Lazarus G, Sam Lutfi, D.A. Noe, سلطان الخليفي, Piya Shedden, KatieMarie Magnone, Scott Satovsky Jr, Charles Southerland, Patrick D. Ashmore, Tim Curwick, charles george, Kevin Bealer, Chris Peters ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Instagram: http://instagram.com/thescishow ---------- Sources: https://www.youtube.com/playlist?list=PLez3PPtnpncQLg_H7f6T9yJmJ2aCIBUHS http://www.thestargarden.co.uk/Weak-nuclear-force.html http://hyperphysics.phy-astr.gsu.edu/hbase/Forces/funfor.html http://www.desy.de/f/students/lectures2009/meyer1.pdf [PDF] https://history.aip.org/exhibits/curie/unstable.htm https://arxiv.org/pdf/0911.0058.pdf [PDF] https://journals.aps.org/pr/abstract/10.1103/PhysRev.105.1413 https://physics.aps.org/story/v22/st19 http://hyperphysics.phy-astr.gsu.edu/hbase/Particles/cronin.html http://large.stanford.edu/courses/2008/ph204/coleman1/ http://www.hep.ph.ic.ac.uk/~dauncey/will/lecture16.pdf [PDF] https://arxiv.org/pdf/hep-ph/0401236.pdf [PDF] https://www.nobelprize.org/nobel_prizes/physics/laureates/1980/press.html http://www-public.slac.stanford.edu/babar/nobel2008.htm https://journals.aps.org/prl/abstract/10.1103/PhysRevLett.109.211801 https://physics.aps.org/articles/v5/129 https://www.youtube.com/watch?v=yArprk0q9eE http://www.physics.indiana.edu/~kostelec/lay/04sciam.pdf [PDF] https://arxiv.org/pdf/hep-ph/0504143.pdf [PDF] https://www2.ph.ed.ac.uk/~playfer/PPlect13.pdf [PDF] https://www.epj-conferences.org/articles/epjconf/abs/2014/07/epjconf_icfp2012_00078/epjconf_icfp2012_00078.html https://www.slac.stanford.edu/pubs/beamline/26/1/26-1-sather.pdf [PDF] https://arxiv.org/abs/1704.08911 https://www.penguinrandomhouse.com/books/311821/the-universe-in-the-rearview-mirror-by-dave-goldberg/ https://www.barnesandnoble.com/w/discoveries-alan-lightman/1100618932 Images: https://svs.gsfc.nasa.gov/12850 https://svs.gsfc.nasa.gov/12249 http://www.thinkstockphotos.com/image/stock-photo-atom-particle/490503772 https://en.wikipedia.org/wiki/File:Operation_Upshot-Knothole_-_Badger_001.jpg https://commons.wikimedia.org/wiki/File:Standard_Model_of_Elementary_Particles.svg
Views: 554447 SciShow
IDTIMWYTIM: Heisenberg Uncertainty Principle
 
03:16
The Heisenberg Uncertainty Principle might not mean what you think it means: Hank clears things up for us in this edition of IDTIMWYTIM, by distinguishing between the Uncertainty Principle and the Observer Effect, which are often conflated. Like SciShow on Facebook: http://www.facebook.com/scishow Follow SciShow on Twitter: http://www.twitter.com/scishow References: http://hyperphysics.phy-astr.gsu.edu/hbase/uncer.html http://science.howstuffworks.com/innovation/science-questions/quantum-suicide2.htm http://www.aip.org/history/heisenberg/p08.htm
Views: 548448 SciShow
Why Do I Have to Use a Number 2 Pencil?
 
02:36
Why do exams always tell you to use a number 2 pencil? What happens if you don’t? Quick Questions explains! Hosted by: Michael Aranda ---------- Messages from our Subbable subscribers: “Man, I was really holding out for that lab coat!” - Erik Avalos “Flabbergasted lemmings elegantly circumnavigate unanticipated pandemoniums utilizing transparent aluminium hovercraft.” - Eric Svensson “I thank God for your work, SciShow team!” - Jay J. Atherton “Piret you are awesome and truly good friend” - Stiina Sild “Practice. Don't wait until you are good at something to do it.” - Mike Chaput “Thank you, Kim for my beautiful babies! Go Science!” - Jonathon Dunn “Proud to support SciShow. You should too!” - Sharon Vaughn “Rainy days a perfect!” - Viktorija Zuran “Love you Scott. In our hearts forever ❤ UMW Theatre” - Sam Wilhelm “Don't Forget to Be Awesome.” - Elise Logan ---------- Dooblydoo thanks go to the following Patreon supporters -- we couldn't make SciShow without them! Shout out to Justin Lentz, John Szymakowski, Ruben Galvao, and Peso255. ---------- Like SciShow? Want to help support us, and also get things to put on your walls, cover your torso and hold your liquids? Check out our awesome products over at DFTBA Records: http://dftba.com/scishow Or help support us by becoming our patron on Patreon: https://www.patreon.com/scishow ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Instagram: http://instagram.com/thescishow Sources: http://www-03.ibm.com/ibm/history/ibm100/us/en/icons/testscore/ http://www.todayifoundout.com/index.php/2010/10/why-you-used-to-have-to-use-2-pencils-with-scantron-forms/ http://mentalfloss.com/article/24832/what-makes-2-pencils-so-special http://pencils.com/what-is-a-no-2-pencil/ http://www.howeverythingworks.org/page1.php?QNum=1529
Views: 1280454 SciShow
What Stephen Hawking Really Said About Black Holes
 
04:28
Hank explains the science behind recent reports that physics great Stephen Hawking said "there are no black holes." There are. They're just super complicated. ---------- Messages from our Subbable subscribers: Happy Valentine's Day my beautiful panda. I love you. I love you Steve- almost as much as Science. ---------- Like SciShow? Want to help support us, and also get things to put on your walls, cover your torso and hold your liquids? Check out our awesome products over at DFTBA Records: http://dftba.com/artist/52/SciShow Or help support us by subscribing to our page on Subbable: https://subbable.com/scishow ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Thanks Tank Tumblr: http://thankstank.tumblr.com Sources: http://arxiv.org/abs/1401.5761 http://arxiv.org/pdf/1401.5761v1.pdf http://www.popularmechanics.com/science/space/deep/no-black-holes-heres-what-stephen-hawking-actually-said-16442205?src=spr_TWITTER&spr_id=1457_42616980 http://www.pbs.org/newshour/updates/hawking-meant-black-holes/
Views: 1575897 SciShow
Why Does Water Go Stale Overnight?
 
02:26
You’re going to bed, and you take a sip of cool delicious water, and it’s so refreshing. But, when you wake up and take a swig, that water now tastes like bleh. What’s going on here? Watch this SciShow Quick Question to find out! Hosted by: Michael Aranda ---------- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow ---------- Dooblydoo thanks go to the following Patreon supporters -- we couldn't make SciShow without them! Shout out to Justin Ove, Coda Buchanan, Lucy McGlasson, Accalia Elementia, Mark Terrio-Cameron, Saul, Kathy & Tim Philip, Kevin Bealer, Christopher Collins, Thomas J., charles george, Andreas Heydeck, Patrick D. Ashmore, Justin Lentz, Will and Sonja Marple, Ed Shelley, Chris Peters, Tim Curwick, Philippe von Bergen, Fatima Iqbal. ---------- Like SciShow? Want to help support us, and also get things to put on your walls, cover your torso and hold your liquids? Check out our awesome products over at DFTBA Records: http://dftba.com/scishow ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Instagram: http://instagram.com/thescishow ---------- Sources: http://www.chemistry.wustl.edu/~edudev/LabTutorials/Water/PublicWaterSupply/PublicWaterSupply.html http://www.wired.com/2015/08/big-question-tap-water-go-stale-overnight/ http://www.smithsonianmag.com/smart-news/whats-stale-glass-water-180955926/#3qFa1RQ4heTzzcXQ.99 http://www.epa.gov/your-drinking-water/table-regulated-drinking-water-contaminants#one http://time.com/3104999/old-water-sick/
Views: 1448090 SciShow
What's Causing That Stitch in Your Side?
 
02:44
What's the deal with that sharp pain in your side when you're trying to win that marathon? SciShow has the answers! Hosted by: Hank Green ---------- Dooblydoo thanks go to the following Patreon supporters -- we couldn't make SciShow without them! Shout out to Justin Ove, Chris Peters, Philippe von Bergen, Fatima Iqbal, John Murrin, Linnea Boyev, Justin Lentz, and David Campos. ---------- Like SciShow? Want to help support us, and also get things to put on your walls, cover your torso and hold your liquids? Check out our awesome products over at DFTBA Records: http://dftba.com/scishow Or help support us by becoming our patron on Patreon: https://www.patreon.com/scishow ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Instagram: http://instagram.com/thescishow Sources: http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4281377/ http://bjsm.bmj.com/content/37/4/287.full http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2796944/ http://www.businessinsider.com/what-are-side-stitches-2015-2 Images: https://commons.wikimedia.org/wiki/File:Respiratory_system.svg https://commons.wikimedia.org/wiki/File:Gray1035.png
Views: 1804504 SciShow
Absolute Zero: Absolute Awesome
 
03:16
Hank explains absolute zero: -273.15 degrees Celsius - and the coldest place in the known universe may surprise you. A correction on our use of the phrase "degrees Kelvin" can be found in this video: http://www.youtube.com/watch?v=OA98hl7Q5dQ - beginning at 6:43. Like SciShow on Facebook: http://www.facebook.com/scishow Follow SciShow on Twitter: http://www.twitter.com/scishow References: Minimum zero point energy derived from uncertainty principle: http://hyperphysics.phy-astr.gsu.edu/hbase/quantum/hosc4.html#c1
Views: 1742512 SciShow
What's the Deal with Warts?
 
02:15
On today's Quick Question, we absolve the poor, humble toad of its wart-giving reputation. Learn about the virus that causes warts, how they spread, and what you can do to get rid of them. Hosted by: Michael Aranda ---------- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow ---------- Dooblydoo thanks go to the following Patreon supporters: Kevin Bealer, Mark Terrio-Cameron, KatieMarie Magnone, Patrick Merrithew, D.A. Noe, Charles Southerland, Fatima Iqbal, Sultan Alkhulaifi, Nicholas Smith, Tim Curwick, Alexander Wadsworth, Scott Satovsky Jr, Philippe von Bergen, Bella Nash, Chris Peters, Patrick D. Ashmore, Piya Shedden, Charles George ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Instagram: http://instagram.com/thescishow ---------- Sources: http://www.burkemuseum.org/blog/frog-myths http://www.mayoclinic.org/diseases-conditions/common-warts/basics/definition/con-20021715 https://www.health.harvard.edu/diseases-and-conditions/how-to-get-rid-of-warts http://www.webmd.com/skin-problems-and-treatments/warts-faq-questions-answers#1 http://www.webmd.com/skin-problems-and-treatments/tc/warts-and-plantar-warts-topic-overview#1
Views: 363050 SciShow
3 Things You Didn't Know About Voyager
 
03:18
Hank tells us three things we probably didn't know about the Voyager 1 spacecraft. Like SciShow on Facebook! http://www.facebook.com/scishow Follow SciShow on Twitter! http://www.twitter.com/scishow References for this episode can be found in the Google document here:http://dft.ba/-3p-e
Views: 422431 SciShow
Will the Periodic Table Ever Be Complete?
 
03:41
Recently, humanity filled the periodic table up to atomic number 118, which nicely rounds out that row. But are we done yet? Have we discovered all of the different elements? And what is an "island of stability?" Learn about the 4 Newest Elements: https://www.youtube.com/watch?v=h9bzQIsQMAI Learn about Richard Feynman: https://www.youtube.com/watch?v=JIJw3OLB9sI Hosted by: Michael Aranda ---------- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow ---------- Dooblydoo thanks go to the following Patreon supporters -- we couldn't make SciShow without them! Shout out to Patrick Merrithew, Will and Sonja Marple, Thomas J., Kevin Bealer, Chris Peters, charles george, Kathy & Tim Philip, Tim Curwick, Bader AlGhamdi, Justin Lentz, Patrick D. Ashmore, Mark Terrio-Cameron, Benny, Fatima Iqbal, Accalia Elementia, Kyle Anderson, and Philippe von Bergen. ---------- Like SciShow? Want to help support us, and also get things to put on your walls, cover your torso and hold your liquids? Check out our awesome products over at DFTBA Records: http://dftba.com/scishow ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Instagram: http://instagram.com/thescishow ---------- Sources: http://pubs.acs.org/doi/pdf/10.1021/ed067p7 http://www.slate.com/articles/health_and_science/science/2016/06/four_elements_will_be_added_to_the_periodic_table_here_s_what_you_need_to.html http://pubs.acs.org/doi/abs/10.1021/ja02218a004 http://www.meta-synthesis.com/webbook/35_pt/JCE_PTs_1934_medium.pdf http://www.smithsonianmag.com/science-nature/when-will-we-reach-end-periodic-table-180957851/?no-ist http://www.rsc.org/chemistryworld/Issues/2010/November/ColumnThecrucible.asp https://books.google.com/books?id=sKwpDAAAQBAJ&pg=PA11 http://www.bbc.com/earth/story/20160115-how-many-more-chemical-elements-are-there-for-us-to-find https://www.superheavies.de/english/research_program/highlights_element_117.htm. Image Sources: https://commons.wikimedia.org/wiki/File:RichardFeynman-PaineMansionWoods1984_copyrightTamikoThiel_bw.jpg
Views: 675592 SciShow
Are the Bees Okay Now?
 
03:30
About 10 years ago, the news was packed with reports about something called colony collapse disorder — a mysterious phenomenon that involved the disappearance of enormous numbers of bees. Then, the news stopped talking about it. So what gives? Are bees safe now? Hosted by: Hank Green SciShow has a spinoff podcast! It's called SciShow Tangents. Check it out at https://www.scishowtangents.org ---------- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow ---------- Dooblydoo thanks go to the following Patreon supporters: Alex Hackman, Andrew Finley Brenan, Lazarus G, Sam Lutfi, D.A. Noe, الخليفي سلطان, Piya Shedden, KatieMarie Magnone, Scott Satovsky Jr, Charles Southerland, Patrick D. Ashmore, charles george, Kevin Bealer, Chris Peters ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Instagram: http://instagram.com/thescishow ---------- Sources: https://www.epa.gov/pollinator-protection/colony-collapse-disorder http://usda.mannlib.cornell.edu/usda/current/BeeColonies/BeeColonies-08-01-2018.pdf https://beeinformed.org/results/honey-bee-colony-losses-2017-2018-preliminary-results/ https://journals.plos.org/plospathogens/article?id=10.1371/journal.ppat.1005757 http://science.sciencemag.org/content/347/6229/1255957 https://www.nature.com/articles/s41598-018-32194-8 https://www.sciencemag.org/news/2018/04/european-union-expands-ban-three-neonicotinoid-pesticides https://www.sciencenews.org/article/mystery-vanishing-honeybees-still-not-definitively-solved https://u.osu.edu/beelab/bee-pasture-meadows-and-flower-strips/ http://www.pnas.org/content/108/2/662.short http://science.sciencemag.org/content/347/6229/1255957 http://news.cornell.edu/stories/2012/05/insect-pollinators-contribute-29b-us-farm-income https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2606032/ https://www.epa.gov/pollinator-protection/epa-actions-protect-pollinators https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5396195/ https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0029268 https://articles.extension.org/pages/71172/honey-bee-viruses-the-deadly-varroa-mite-associates
Views: 361776 SciShow
Can We Get to Alpha Centauri?
 
03:41
You like space exploration, and we like space exploration. So why aren't we investigating our closest to galactic neighbor, the triple star system Alpha Centauri? Is it time to give interstellar travel a shot? How would we do it? Hank explains our options, and lays out the challenges. Short version: You're gonna have to be patient! Like SciShow? Want to get cool things to put on your walls, cover your torso and hold your liquids? Check out our awesome products over at DFTBA Records: http://dftba.com/artist/52/SciShow Or help support us by subscribing to our page on Subbable: https://subbable.com/scishow -- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Thanks Tank Tumblr: http://thankstank.tumblr.com Sources for this episode: http://www.nytimes.com/2013/06/11/science/space/scientists-cast-doubt-on-the-closest-exoplanet.html?_r=1& http://news.discovery.com/space/alien-life-exoplanets/time-to-plan-for-a-millennium-mission-to-alpha-centauri-130617.htm http://blogs.discovermagazine.com/badastronomy/2012/10/16/alpha-centauri-has-a-planet/#.Uilb1JJt5r8 http://www.space.com/5094-alpha-centauri.html http://earthsky.org/space/alpha-centauri-travel-time http://www.nbcnews.com/id/49469723/ns/technology_and_science-space/t/alpha-centauri-mission-make-it-so-experts-say/#.UilebpJt5r8 http://www.theatlantic.com/technology/archive/2012/10/could-we-one-day-send-humans-to-the-newly-discovered-planet-orbiting-alpha-centauri-b/263765/
Views: 899174 SciShow
Quantum Computing Breakthrough
 
03:58
Quantum physics is weird. But quantum computing could be awesome! Learn how scientists took a big leap this week toward making quantum computers a reality. For a free book from Audible, go to: http://www.audible.com/t1/30DayGoldFT_at?source_code=PDTGB0009PD010214 ---------- Dooblydoo thanks go to the following Patreon supporters -- we couldn't make SciShow without them! Shout out to Justin Ove, Justin Lentz, David Campos, Philippe von Bergen, Chris Peters, Lilly Grainger, Happy Birthday!!, and Fatima Iqbal. ---------- Like SciShow? Want to help support us, and also get things to put on your walls, cover your torso and hold your liquids? Check out our awesome products over at DFTBA Records: http://dftba.com/scishow Or help support us by becoming our patron on Patreon: https://www.patreon.com/scishow ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Instagram: http://instagram.com/thescishow Sources: http://www.eurekalert.org/pub_releases/2015-10/cp-aso092815.php http://www.livescience.com/39961-chernobyl.html http://www.nuclearflower.com/zone/zone08.html http://animals.nationalgeographic.com.au/animals/mammals/przewalskis-horse/ http://www.eurekalert.org/pub_releases/2015-10/uons-cho100215.php http://whatis.techtarget.com/definition/logic-gate-AND-OR-XOR-NOT-NAND-NOR-and-XNOR https://www.youtube.com/watch?v=g_IaVepNDT4 http://gizmodo.com/worlds-first-silicon-quantum-logic-gate-brings-quantum-1734653115 http://www.sciencealert.com/australian-engineers-have-put-quantum-technology-in-a-silicon-chip-for-the-first-time
Views: 694390 SciShow
Obesity
 
11:59
Hank tells us some of the surprising things that could be causing or contributing to the obesity epidemic. Like SciShow on Facebook: http://www.facebook.com/scishow Follow SciShow on Twitter: http://www.twitter.com/scishow References: http://www.nlm.nih.gov/medlineplus/news/fullstory_118194.html http://www.cdc.gov/obesity/data/trends.html http://news.bbc.co.uk/2/hi/health/7151813.stm http://news.discovery.com/human/gut-bacteria-obesity-111026.html
Views: 1651356 SciShow
Colored Noise, and How It Can Help You Focus
 
04:23
Colors like white, pink and brown aren’t just for clouds, flowers and cows! They also describe special sounds that can actually help you focus and sleep! Hosted by: Michael Aranda ---------- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow ---------- Dooblydoo thanks go to the following Patreon supporters -- we couldn't make SciShow without them! Shout out to Kathy & Tim Philip, Kevin Bealer, Andreas Heydeck, Thomas J., Accalia Elementia, Will and Sonja Marple. James Harshaw, Justin Lentz, Chris Peters, Bader AlGhamdi, Benny, Tim Curwick, Philippe von Bergen, Patrick Merrithew, Fatima Iqbal, Mark Terrio-Cameron, Patrick D. Ashmore, and charles george. ---------- Like SciShow? Want to help support us, and also get things to put on your walls, cover your torso and hold your liquids? Check out our awesome products over at DFTBA Records: http://dftba.com/scishow ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Instagram: http://instagram.com/thescishow ---------- Sources: http://www.theatlantic.com/science/archive/2016/02/white-noise-sound-colors/462972/ http://www.seventhstring.com/resources/notefrequencies.html http://www.who.int/occupational_health/publications/noise2.pdf https://en.wikipedia.org/wiki/File:White-noise-sound-20sec-mono-44100Hz.ogg http://whatis.techtarget.com/definition/white-noise http://science.howstuffworks.com/question47.htm https://en.wikipedia.org/wiki/File:Pink_noise.ogg http://whatis.techtarget.com/definition/pink-noise https://en.wikipedia.org/wiki/File:Brownnoise.ogg http://www.livescience.com/38547-what-is-brown-noise.html http://www.discovery.com/tv-shows/mythbusters/mythbusters-database/brown-note/ IMAGES: https://commons.wikimedia.org/wiki/File%3ALight_dispersion_conceptual_waves-frame.png
Views: 503692 SciShow
3 Whack Weather Phenomena
 
04:38
Hank describes three of the whackest weather phenomena on Earth: atmospheric rivers, fire tornadoes, and ball lightning. Super interesting and super weird. Like SciShow: http://www.facebook.com/scishow Follow SciShow: http://www.twitter.com/scishow T*mbl SciShow: scishow.tumblr.com References for this episode can be found in the Google document: http://dft.ba/-3sdO
Views: 422161 SciShow
Chemistry & Corpses: The Science of Bog Bodies
 
04:13
SciShow explains the chemistry, archaeology and history of bog bodies -- naturally mummified corpses (and other fun things!) that have been discovered in Europe's peat bogs. ---------- Like SciShow? Want to help support us, and also get things to put on your walls, cover your torso and hold your liquids? Check out our awesome products over at DFTBA Records: http://dftba.com/artist/52/SciShow Or help support us by subscribing to our page on Subbable: https://subbable.com/scishow ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Thanks Tank Tumblr: http://thankstank.tumblr.com Sources: http://archive.archaeology.org/1005/bogbodies/bog_science.html http://archive.archaeology.org/1005/bogbodies/index.html http://www.wired.com/2009/08/bogosphere/ http://www.pbs.org/wgbh/nova/bog/iron-nf.html http://ngm.nationalgeographic.com/2007/09/bog-bodies/bog-bodies-text http://www.bbc.com/news/science-environment-24053119 http://www.livescience.com/38983-irish-bog-body.html http://science.time.com/2013/07/28/the-bodies-in-the-bogs-an-eerie-gift-from-the-iron-age/ http://discovermagazine.com/1997/aug/thepeopleofthebo1195 http://www.tollundman.dk/ http://www.newscientist.com/article/mg18124392.400-bog-butter-test.html
Views: 266600 SciShow
3 Surprising Things Matter Does Under Extreme Pressure
 
05:19
To support SciShow and learn more about Brilliant, go to https://brilliant.org/scishow/ Things get weird under pressure. We're conducting a survey of our viewers! If you have time, please give us feedback: https://www.surveymonkey.com/r/SciShowSurvey2017 Hosted by: Michael Aranda ---------- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow ---------- Dooblydoo thanks go to the following Patreon supporters: Kevin Bealer, Mark Terrio-Cameron, KatieMarie Magnone, Inerri, D.A. Noe, Charles Southerland, Fatima Iqbal, سلطان الخليفي, Nicholas Smith, Tim Curwick, Scott Satovsky Jr, Philippe von Bergen, Bella Nash, Chris Peters, Patrick D. Ashmore, Piya Shedden, Charles George ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Instagram: http://instagram.com/thescishow ---------- Sources: https://www.chemistryworld.com/news/controversial-metallic-hydrogen-claim-under-new-scrutiny-/2500534.article https://www.chemistryworld.com/news/has-metallic-hydrogen-been-discovered/2500516.article https://www.missionjuno.swri.edu/jupiter/the-interior?show=hs_jupiter_the-interior_story_a-dive-into-jupiter https://journals.aps.org/prl/abstract/10.1103/PhysRevLett.116.255501 http://www.ph.ed.ac.uk/news/2016/probing-dark-hydrogen-giant-planets-16-06-23 http://www.csec.ed.ac.uk/research-highlights/squeezing-oil-and-water-until-they-mix http://advances.sciencemag.org/content/advances/3/8/e1700240.full.pdf https://carnegiescience.edu/news/metal-insulator-and-back-again https://www.chemistryworld.com/news/metals-lose-identity-under-pressure-/3002474.article https://journals.aps.org/prl/abstract/10.1103/PhysRevLett.114.156403 http://www.nature.com/nature/journal/v458/n7235/abs/nature07827.html? http://hyperphysics.phy-astr.gsu.edu/hbase/Solids/band.html https://www.aocs.org/stay-informed/read-inform/featured-articles/emulsions-making-oil-and-water-mix-april-2014 http://www1.lsbu.ac.uk/water/supercritical_water.html https://www.space.com/35606-helium-compounds-giant-planet-interiors.html https://arxiv.org/pdf/1309.3827.pdf https://www.sciencenews.org/article/heliums-inertness-defied-high-pressure-compound https://www.forbes.com/sites/carmendrahl/2017/02/07/helium-sodium-compound-pressure/ http://pubs.acs.org/doi/abs/10.1021/ja00877a042 https://www.scientificamerican.com/article/saturn-s-core-might-be-cloaked-in-a-neon-shield/ http://www.pnas.org/content/112/26/7925.full.pdf https://www.nature.com/articles/srep34896 http://www.nature.com/nature/journal/v406/n6798/abs/406874a0.html https://solarsystem.nasa.gov/galleries/juno-how-do-jupiter-and-earth-compare Images: https://commons.wikimedia.org/wiki/File:Diamond_Anvil_Cell_-_Cross_Section.svg https://commons.wikimedia.org/wiki/File:Methane-CRC-MW-3D-balls.png https://commons.wikimedia.org/wiki/File:Titan_multi_spectral_overlay.jpg https://commons.wikimedia.org/wiki/File:Triton_moon_mosaic_Voyager_2_(large).jpg https://en.wikipedia.org/wiki/File:Jupiter_and_its_shrunken_Great_Red_Spot.jpg
Views: 779758 SciShow
Stem Cells
 
03:48
Hank gives you the facts on stem cells - what they are, what they're good for, where they come from, and how they're used in medicine. Like SciShow? Want to help support us, and also get things to put on your walls, cover your torso and hold your liquids? Check out our awesome products over at DFTBA Records: http://dftba.com/artist/52/SciShow -- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com References for this episode can be found in the Google document here: http://dft.ba/-5DcW
Views: 538752 SciShow
Why Tomatoes Are Fruits, and Strawberries Aren't Berries
 
04:09
Did you know that bananas are berries, but strawberries aren’t? A lot of thought goes into classifying fruits and vegetables, and it all has to do with anatomy. ---------- Dooblydoo thanks go to the following Patreon supporters -- we couldn't make SciShow without them! Shout out to Justin Ove, Justin Lentz, David Campos, John Szymakowski, Peso255, Jeremy Peng, Avi Yaschin, and Fatima Iqbal. ---------- Like SciShow? Want to help support us, and also get things to put on your walls, cover your torso and hold your liquids? Check out our awesome products over at DFTBA Records: http://dftba.com/scishow Or help support us by becoming our patron on Patreon: https://www.patreon.com/scishow ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Instagram: http://instagram.com/thescishow Sources: http://www.resnet.wm.edu/~mcmath/bio205/fruits.html http://science.jburroughs.org/resources/flower/fruit1.html http://aggie-horticulture.tamu.edu/syllabi/422/422lab3.htm http://faculty.valenciacollege.edu/tklenk/botany/labs/fruits.htm http://www.botany.wisc.edu/courses/botany_400/Lab/LabWK03Fruitkey.html https://jb004.k12.sd.us/my%20website%20info/BIOLOGY%202/PLANT%20KINGDOM/FRUIT%20TYPES%20AND%20CLASSIFICATIONS%20HAND-OUT.doc http://waynesword.palomar.edu/fruitid1.htm http://extension.psu.edu/pests/weeds/weed-id/common-dandelion
Views: 1033658 SciShow
Game Theory: The Science of Decision-Making
 
09:50
With up to ten years in prison at stake, will Wanda rat Fred out? Game theory is looking at human interactions through the lens of mathematics. Hosted by: Hank Green ---------- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow ---------- Dooblydoo thanks go to the following Patreon supporters -- we couldn't make SciShow without them! Shout out to Kevin Bealer, Justin Lentz, Mark Terrio-Cameron, Patrick Merrithew, Accalia Elementia, Fatima Iqbal, Benny, Kyle Anderson, Mike Frayn, Tim Curwick, Will and Sonja Marple, Philippe von Bergen, Chris Peters, Kathy Philip, Patrick D. Ashmore, Thomas J., charles george, and Bader AlGhamdi. ---------- Like SciShow? Want to help support us, and also get things to put on your walls, cover your torso and hold your liquids? Check out our awesome products over at DFTBA Records: http://dftba.com/scishow ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Instagram: http://instagram.com/thescishow ---------- Sources: https://www.khanacademy.org/economics-finance-domain/microeconomics/nash-equilibrium-tutorial http://levine.sscnet.ucla.edu/general/whatis.htm http://assets.cambridge.org/97805213/61774/sample/9780521361774ws.pdf https://www.youtube.com/watch?v=qcLZMYPdpH4 http://link.springer.com/chapter/10.1007/978-1-349-20181-5_1 http://www.gametheory.net/dictionary/Game.html Image Links: https://en.wikipedia.org/wiki/John_Forbes_Nash_Jr.
Views: 2060577 SciShow
The Massive Flood That Triggered an Ice Age (w/ PBS Eons!)
 
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13,000 years ago, North America seemed to be thawing from a 2.6 million-year ice age. Then, a huge swath of Earth was suddenly plunged back into the cold for 1,000 years. To understand why we need to talk about megafloods. Check out the PBS Eons episode about epic floods: https://www.youtube.com/watch?v=YWZgfPGtQEs&feature=youtu.be Hosted by: Stefan Chin and Blake De Pastino SciShow has a spinoff podcast! It's called SciShow Tangents. Check it out at https://www.scishowtangents.org ---------- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow ---------- Huge thanks go to the following Patreon supporters for helping us keep SciShow free for everyone forever: Greg, Alex Schuerch, Alex Hackman, Andrew Finley Brenan, Sam Lutfi, D.A. Noe, الخليفي سلطان, Piya Shedden, KatieMarie Magnone, Scott Satovsky Jr, Charles Southerland, Patrick D. Ashmore, charles george, Kevin Bealer, Chris Peters ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Instagram: http://instagram.com/thescishow ---------- Sources https://www.tandfonline.com/doi/pdf/10.1080/00206814.2016.1204748 https://www.clim-past.net/14/969/2018/ https://www.eoas.ubc.ca/research/glaciology/research/Publications/ClarkeLeveringtonTellerDyke(Science-2003).pdf http://citeseerx.ist.psu.edu/viewdoc/download?doi=10.1.1.384.6712&rep=rep1&type=pdf http://www.pnas.org/content/109/49/19928 https://www.sciencedirect.com/science/article/abs/pii/0277379194900051 https://web.archive.org/web/20140222170725/http://www.eeescience.utoledo.edu/Faculty/fisher/Fisher/Publications_files/Fisher_etal_QSR02.pdf https://pdfs.semanticscholar.org/c6ae/39202d3141d5b7efbb205d48eb58e1b2195d.pdf https://www.nature.com/articles/s41561-018-0169-6 https://www.nature.com/articles/nature08954 https://sites.physics.utoronto.ca/peltier_wr/selected-publications/pubs_recent/lev-tarasov-w-r-peltier-a-calibrated-deglacial.pdf https://www.sciencedirect.com/science/article/abs/pii/S0277379101001457 https://pdfs.semanticscholar.org/5426/32c53804f2e93b0b8724b68003008093ed6d.pdf http://assets.cambridge.org/97805218/68525/excerpt/9780521868525_excerpt.pdf https://www.lpi.usra.edu/meetings/lpsc2002/pdf/1091.pdf https://www.researchgate.net/publication/31969704_Subglacial_origin_of_Lake_Agassiz-Ojibway_final_outburst_flood https://pdfs.semanticscholar.org/5dc7/a51fd7af8e06ac932c7b76127c7b971cbb16.pdf https://pubs.usgs.gov/circ/2004/circ1254/pdf/Hold_On/circ1254_051904_old.pdf https://b8qs92z2k332mma2f5t7n716-wpengine.netdna-ssl.com/wp-content/uploads/sites/27/2017/12/AltaiFlood_red.pdf http://discovermagazine.com/2013/oct/05-what-killed-off-the-woolly-mammoths https://www.scientificamerican.com/article/lost-giants-did-mammoths/ https://www.eoas.ubc.ca/research/glaciology/research/IceDam.html https://books.google.com/books?id=gXgyHLT_hwIC&pg=PA31#v=onepage&q&f=false https://www.academia.edu/4296796/Human_Population_Decline_in_North_America_during_the_Younger_Dryas http://science.sciencemag.org/content/282/5393/1446 http://science.sciencemag.org/content/362/6416/738 https://www.sciencenews.org/article/younger-dryas-comet-impact-cold-snap https://shubeika.ccrs.ku.dk/about/ https://www.scientificamerican.com/article/slow-motion-ocean-atlantics-circulation-is-weakest-in-1-600-years/ https://www.livescience.com/31810-big-freeze-flood.html “Fundamentals of Geomorphology” pg 247 by Richard John Huggett “The Younger Dryas Climate Event”, The Encyclopedia of Quaternary Science, by A. E. Carlson Image Sources: https://www.flickr.com/photos/manitobamaps/2091302531 https://en.wikipedia.org/wiki/File:Ice_age_fauna_of_northern_Spain_-_Mauricio_Ant%C3%B3n.jpg https://commons.wikimedia.org/wiki/File:Clovis_Rummells_Maske.jpg
Views: 234589 SciShow
Weird Places: Mauritania's Eye of the Sahara
 
02:54
Explore the origins of one of the coolest geologic formations in the world, West Africa's Richat Structure. Help support us by subscribing to our page on Subbable: https://subbable.com/scishow ---------- Like SciShow? Want to help support us, and also get things to put on your walls, cover your torso and hold your liquids? Check out our awesome products over at DFTBA Records: http://dftba.com/artist/52/SciShow ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Thanks Tank Tumblr: http://thankstank.tumblr.com Sources: http://www.amusingplanet.com/2012/05/richat-structure-eye-of-sahara.html http://www.lpi.usra.edu/publications/slidesets/geology/sgeo/slide_13.html http://apod.nasa.gov/apod/ap130519.html http://www.livescience.com/29906-eye-of-africa-peers-up-from-the-sand.html http://bibvir.uqac.ca/theses/030084214/030084214.pdf http://daac.gsfc.nasa.gov/geomorphology/GEO_2/GEO_PLATE_T-31.shtml http://geology.gsapubs.org/content/33/8/665.short http://articles.adsabs.harvard.edu/full/2001M%26PSA..36R.125M
Views: 716317 SciShow
5 Things Your Nails Can Say About Your Health
 
04:04
Your nails can do more than just look pretty. They can tell you some things about your health! ---------- Dooblydoo thanks go to the following Patreon supporters -- we couldn't make SciShow without them! Shout out to Justin Ove, Justin Lentz, David Campos, Chris Peters, and Fatima Iqbal. ---------- Like SciShow? Want to help support us, and also get things to put on your walls, cover your torso and hold your liquids? Check out our awesome products over at DFTBA Records: http://dftba.com/scishow Or help support us by becoming our patron on Patreon: https://www.patreon.com/scishow ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Instagram: http://instagram.com/thescishow Sources: https://www.aad.org/dermatology-a-to-z/for-kids/about-nails/how-nails-grow http://health.clevelandclinic.org/2015/05/6-things-your-nails-can-say-about-your-health/ http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3726881/ https://books.google.com/books?id=ekr4Bt683c8C&pg=PT244&lpg=PT244&dq=nail+pitting+inflammation+of+matrix&source=bl&ots=Vp2EmhSure&sig=-rAZbLYOuhJB6Y-eJraVMod0_p4&hl=en&sa=X&ved=0CEwQ6AEwBmoVChMI-sOBs9PYxwIVxZSICh3Lfg81#v=onepage&q&f=false http://www.nhlbi.nih.gov/health/health-topics/topics/raynaud http://www.nhs.uk/conditions/Fungal-nail-infection/Pages/Introduction.aspx http://www.aafp.org/afp/2004/0315/p1417.html#afp20040315p1417-f6
Views: 2479732 SciShow
Electromagnetism - Electrostatic Force: The Four Fundamental Forces of Physics #4a
 
03:38
Hank reaches the fourth and final of the four fundamental interactions in physics: electromagnetism. In this part, he teaches us about the electrostatic force, which builds up a charge in an object and can travel in the form of an electron stream. Stay tuned for Part II, where we will finish up the series with the magnetic force. Like SciShow on Facebook: http://www.facebook.com/scishow Follow SciShow on Twitter: http://www.twitter.com/scishow References: http://abyss.uoregon.edu/~js/21st_century_science/lectures/lec04.html http://www.explainthatstuff.com/electricity.html http://regentsprep.org/Regents/physics/phys03/acoulomb/default.htm
Views: 587223 SciShow
Dark Energy
 
03:47
The universe is huge and getting bigger all the time, and we have we have dark energy - the most mysterious force in the universe - to blame/thank for it. Thought to make up more than 70% of the energy in the whole universe, Hank describes how dark energy was theorized to exist, and how scientists are trying to explain it. Like SciShow? http://www.facebook.com/scishow Follow SciShow! http://www.twitter.com/scishow References and image licenses for this episode can be found in the Google document here: http://dft.ba/-2Qrd
Views: 599896 SciShow
Do I Only Use 10% of My Brain?
 
04:04
SciShow debunks the myth that you only use 10 percent of your brain. So, how much do you really use? And how do we know? Hosted by: Hank Green ---------- Like SciShow? Want to help support us, and also get things to put on your walls, cover your torso and hold your liquids? Check out our awesome products over at DFTBA Records: http://dftba.com/artist/52/SciShow Or help support us by subscribing to our page on Subbable: https://subbable.com/scishow ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Thanks Tank Tumblr: http://thankstank.tumblr.com Sources: http://www.scientificamerican.com/article/do-people-only-use-10-percent-of-their-brains/ http://psychology.about.com/od/biopsychology/a/10-percent-of-brain-myth.htm http://www.snopes.com/science/stats/10percent.asp http://www.psychologytoday.com/blog/consciousness-and-the-brain/201106/do-we-use-only-10-percent-our-brain http://bigthink.com/videos/debunking-common-brain-myths https://faculty.washington.edu/chudler/tenper.html http://hub.jhu.edu/2014/07/24/busting-a-brain-myth#
Views: 1265609 SciShow
Oxygen is Killing You
 
03:38
Hank introduces us to oxygen - the element that makes it possible for most animals to live, but which is simultaneously responsible for a lot of bad things going on in our bodies. Like SciShow: http://www.facebook.com/scishow Follow SciShow: http://www.twitter.com/scishow References for this episode can be found in the Google document here: http://dft.ba/-1qC6
Views: 1759585 SciShow
The Worst Nobel Prize Ever Awarded
 
09:26
SciShow explores the grim story of the lobotomy, the medical procedure that earned its inventor perhaps the most regrettable Nobel Prize in history. Hosted by: Michael Aranda ---------- Like SciShow? Want to help support us, and also get things to put on your walls, cover your torso and hold your liquids? Check out our awesome products over at DFTBA Records: http://dftba.com/scishow Or help support us by subscribing to our page on Subbable: https://subbable.com/scishow ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Instagram: http://instagram.com/thescishow Sources: http://www.pbs.org/wgbh/aso/databank/entries/dh35lo.html http://www.sciencedirect.com.weblib.lib.umt.edu:8080/science/article/pii/S1045187003700296 http://ibro.info/wp-content/uploads/2012/12/Fulton-John-Faquhar.pdf http://www.nobelprize.org/nobel_prizes/medicine/laureates/1949/moniz-article.html http://lobotomy.umwblogs.org/the-begining/ http://www.gesnerus.ch/fileadmin/media/pdf/2005_1-2/077-101_Kotowicz.pdf
Views: 3471670 SciShow
Can Pickles and Bananas Really Help Athletes?
 
02:48
Some athletes swear by pickle juice and bananas, but how do they help? Quick Questions explains! ---------- Dooblydoo thanks go to the following Patreon supporters -- we couldn't make SciShow without them! Shout out to Justin Ove, Chris Peters, John Szymakowski, Peso255, Fatima Iqbal, Justin Lentz, and David Campos. ---------- Like SciShow? Want to help support us, and also get things to put on your walls, cover your torso and hold your liquids? Check out our awesome products over at DFTBA Records: http://dftba.com/scishow Or help support us by becoming our patron on Patreon: https://www.patreon.com/scishow ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Instagram: http://instagram.com/thescishow Sources: http://www.ncbi.nlm.nih.gov/pubmed/19997012 http://well.blogs.nytimes.com/2010/06/09/phys-ed-can-pickle-juice-stop-muscle-cramps/ http://journals.plos.org/plosone/article?id=10.1371/journal.pone.0037479 http://www.huffingtonpost.co.uk/2012/05/30/diet-bananas-boost-sports-perfermance_n_1555441.html http://www.smithsonianmag.com/science-nature/a-spoonful-of-pickle-juicehelps-muscle-cramps-go-down-30137937/?no-ist http://www.boston.com/lifestyle/food/articles/2009/06/22/athletes_resort_to_pickle_juice_and_other_odd_foods_to_boost_performance/?page=2 http://www.medicaldaily.com/bananas-are-just-good-sports-drinks-240631 http://www.livestrong.com/article/493009-what-role-does-potassium-play-in-muscle-contraction/
Views: 287448 SciShow
Why HIV Isn't a Death Sentence Anymore
 
10:09
In the second video of our two-part series on HIV and AIDS, we look at the challenges that have kept scientists from developing a cure, and the treatments that have still managed to improve the outlook for those infected. We're conducting a survey of our viewers! If you have time, please give us feedback: https://www.surveymonkey.com/r/SciShowSurvey2017 Hosted by: Hank Green ---------- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow ---------- Dooblydoo thanks go to the following Patreon supporters: Kelly Landrum Jones, Sam Lutfi, Kevin Knupp, Nicholas Smith, Inerri, D.A. Noe, alexander wadsworth, سلطان الخليفي, Piya Shedden, KatieMarie Magnone, Scott Satovsky Jr, Bella Nash, Charles Southerland, Bader AlGhamdi, James Harshaw, Patrick Merrithew, Patrick D. Ashmore, Candy, Tim Curwick, charles george, Saul, Mark Terrio-Cameron, Viraansh Bhanushali, Kevin Bealer, Philippe von Bergen, Chris Peters, Justin Lentz ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Instagram: http://instagram.com/thescishow ---------- Sources: https://www.avert.org/about-hiv-aids/cure https://www.avert.org/professionals/hiv-science/searching-cure https://www.avert.org/professionals/hiv-science/overview https://aidsinfo.nih.gov/understanding-hiv-aids/infographics/25/fda-approval-of-hiv-medicines https://www.cdc.gov/mmwr/preview/mmwrhtml/00001409.htm https://www.cdc.gov/hiv/basics/whatishiv.html http://www.stat.wisc.edu/~larget/Genetics629/hiv.pdf https://www.cdc.gov/mmwr/preview/mmwrhtml/su6004a11.htm http://www.ihv.org/Education--Training/General-HIV-AIDS-Information/AIDS-Acquired-Immune-Deficiency-Syndrome--/ https://www.ncbi.nlm.nih.gov/pubmed/2863631 https://www.ncbi.nlm.nih.gov/pubmed/3548350 http://time.com/4705809/first-aids-drug-azt/ https://www.britannica.com/science/AZT http://americanhistory.si.edu/blog/2010/09/a-brief-history-of-azt.html https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2815149/ http://www.nytimes.com/1987/03/21/us/us-approves-drug-to-prolong-lives-of-aids-patients.html?pagewanted=all http://www.nytimes.com/1989/08/28/opinion/azt-s-inhuman-cost.html https://www.niaid.nih.gov/diseases-conditions/hivaids http://www.merckmanuals.com/professional/infectious-diseases/human-immunodeficiency-virus-hiv/human-immunodeficiency-virus-hiv-infection https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4058441/ https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4396582/ https://www.medscape.org/viewarticle/523119 https://www.fda.gov/ForPatients/Illness/HIVAIDS/History/ucm151079.htm http://journals.plos.org/plosbiology/article?id=10.1371/journal.pbio.1002251 https://www.cdc.gov/hiv/risk/art/index.html https://www.avert.org/professionals/hiv-programming/prevention/treatment-as-prevention https://www.cdc.gov/hiv/risk/prep/index.html http://www.aidsmap.com/Second-case-report-of-PrEP-failure-due-to-drug-resistant-virus/page/3093327/ https://www.nature.com/news/hopes-of-hiv-cure-in-boston-patients-dashed-1.14324 https://aidsinfo.nih.gov/understanding-hiv-aids/fact-sheets/19/93/what-is-a-latent-hiv-reservoir- http://www.fredhutch.org/en/news/center-news/2015/02/timothy-ray-brown-doctor-who-cured-him.html https://www.vox.com/science-and-health/2017/7/24/16019590/hiv-vaccine-international-aids-society-conference http://www.the-scientist.com/?articles.view/articleNo/50018/title/Resistance-to-HIV-Engineered-Via-CRISPR/ http://www.nejm.org/doi/full/10.1056/NEJMoa0802905#t=articleTop https://www.niaid.nih.gov/diseases-conditions/sustained-viral-remission-research http://journals.plos.org/plosmedicine/article?id=10.1371/journal.pmed.1002417 http://www.cell.com/molecular-therapy-family/molecular-therapy/fulltext/S1525-0016(17)30213-7 https://ww2.kqed.org/futureofyou/2017/09/28/research-dampens-hopes-of-hiv-cure-shows-progress-on-remission-without-drugs/ https://bmcmedicine.biomedcentral.com/articles/10.1186/s12916-015-0517-y Images: https://en.wikipedia.org/wiki/File:TEV_protease_summary.png
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