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5 of the World's Most Dangerous Chemicals
 
10:45
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: 6006704 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: 2436542 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: 4301248 SciShow
What Happens if Your Body is Exposed to the Vacuum of Space?
 
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Hank answers a SciShow viewer's most pressing question about what happens if the human body gets exposed to space. Would your head really explode? Like SciShow? http://www.facebook.com/scishow Follow SciShow! http://www.twitter.com/scishow T*umbl SciShow. http://scishow.tumblr.com References http://imagine.gsfc.nasa.gov/docs/ask_astro/answers/970603.html http://blogs.discovermagazine.com/badastronomy/2012/01/31/qba-what-happens-if-you-are-exposed-to-the-vacuum-of-space/#.UMGD-pPjn0g
Views: 1472464 SciShow
IDTIMWYTIM: Schrodinger's Cat
 
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"I Don't Think It Means What You Think It Means" examines scientific theories that have taken on a life of their own in popular culture & we help you understand what they really mean in scientific terms. Today we take on Schrodinger's Cat, the famous thought experiment by Austrian physicist Erwin Schrodinger. 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/-2DJZ
Views: 1105138 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: 1200425 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: 931869 SciShow
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: 1928502 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: 764495 SciShow
How Do Touchscreens Work?
 
03:29
Ever wonder how your finger can magically control your smartphone screen? We explain 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, Thomas J., Chris Peters, Tim Curwick, Lucy McGlasson, Andreas Heydeck, Will and Sonja Marple, Mark Terrio-Cameron, Charles George, Christopher Collins, 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: https://gigaom.com/2013/07/10/the-metal-coating-that-makes-iphones-touch-sensitive-is-running-out/ http://www.ti.com/lit/an/slyt209a/slyt209a.pdf http://large.stanford.edu/courses/2012/ph250/lee2/docs/art6.pdf https://www.newhavendisplay.com/app_notes/TPcompare.pdf https://www.sparkfun.com/datasheets/LCD/HOW%20DOES%20IT%20WORK.pdf http://www.microchip.com/design-centers/touch-input-sensing/touch-screen-and-touch-pad-controllers/technology/analog-resistive http://arstechnica.com/gadgets/2013/04/from-touch-displays-to-the-surface-a-brief-history-of-touchscreen-technology/ http://www.gtouch.com.tw/products_panels_pcap.html http://large.stanford.edu/courses/2012/ph250/lee2/docs/art6.pdf
Views: 898375 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: 586253 SciShow
Are Those Really Blackheads?
 
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Do you just hate those little bumps all over your nose? Don’t be a hater, they’re just doing their job! Learn how in this SciShow Quick Question. 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: http://www.oxforddictionaries.com/us/definition/american_english/comedo http://www.ncbi.nlm.nih.gov/pubmedhealth/PMH0072395/ http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1271924/ https://www.ncbi.nlm.nih.gov/pubmed/130839 http://www.karger.com/Article/Abstract/67820 http://www.huffingtonpost.com/2012/11/20/blackheads-get-rid-of-removal-nose_n_2166779.html Images: Blackhead, whitehead, normal pore: https://commons.wikimedia.org/wiki/File:Blausen_0811_SkinPores.png Spots on Nose: https://commons.wikimedia.org/wiki/File:Blackheads.JPG sebaceous glands: https://commons.wikimedia.org/wiki/File:Hair_follicle-en.svg
Views: 1409121 SciShow
Migraines: Not Just Another Headache
 
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If you've never had a migraine, you might think it's just a really bad headache. But if you've ever had them, or you know someone who does, you know that they're much worse -- and much more complicated -- than that. Hank explains the biology behind this disorder of the central nervous system, and how it can be treated. ---------- 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.mayoclinic.org/diseases-conditions/migraine-headache/basics/definition/con-20026358 http://www.migrainetrust.org/factsheet-migraine-what-is-it-10504 https://www.lef.org/protocols/health_concerns/migraine_03.htm http://www.ncbi.nlm.nih.gov/pubmed/17970989 http://umm.edu/health/medical/reports/articles/migraine-headaches http://www.huffingtonpost.com/2014/02/10/what-not-to-say-to-people-with-migraine_n_4745863.html
Views: 959218 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: 1760238 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: 1759807 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: 2048062 SciShow
Where Do Domestic Cats Come From?
 
04:51
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: 766973 SciShow
Milk, and the Mutants That Love It
 
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Got milk? Fact is, most people don't -- and shouldn't -- because for them, ice cream and milkshakes are basically toxic. So why can some people drink milk and survive? Turns out they're mutants! SciShow explains. ---------- 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.nature.com/news/archaeology-the-milk-revolution-1.13471 http://www.livescience.com/37649-why-people-drink-milk-benefits.html http://www.livescience.com/34874-cows-milk-may-reduce-baby-milk-intolerance-100901.html http://www.trueactivist.com/harvard-scientists-urge-you-to-stop-drinking-milk/ http://www.slate.com/articles/health_and_science/human_evolution/2012/10/evolution_of_lactose_tolerance_why_do_humans_keep_drinking_milk.html
Views: 813156 SciShow
Are You a Supertaster?
 
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Some people have more taste buds than the rest of us. They’re called supertasters, and they can taste things others can’t. Special thanks to our tasters: Matthew Gaydos Lindsey Doe Julia Maes Hank Green Music Credit: "Marty Gots a Plan" Kevin MacLeod (incompetech.com) Licensed under Creative Commons: By Attribution 3.0 http://creativecommons.org/licenses/by/3.0/ Hosted by: Michael Aranda ---------- 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.wsj.com/articles/SB10001424127887324392804578362833147151480 http://www.scientificamerican.com/article/super-tasting-science-find-out-if-youre-a-supertaster/ http://www.bbc.co.uk/science/humanbody/body/articles/senses/supertaster.shtml http://www.smithsonianmag.com/science-nature/a-matter-of-taste-180940699/?no-ist http://www.nytimes.com/1997/02/18/science/chocolate-lover-or-broccoli-hater-answer-s-on-the-tip-of-your-tongue.html http://theplate.nationalgeographic.com/2014/09/30/are-you-a-supertaster/ http://udel.edu/~mcdonald/mythptc.html http://learn.genetics.utah.edu/content/inheritance/ptc/ http://faculty.washington.edu/chudler/bitter.html https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1698869/
Views: 525070 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: 1755740 SciShow
Caffeine!
 
04:31
Hank delves into the details about that very popular substance: caffeine. Like SciShow on Facebook: http://www.facebook.com/scishow Follow SciShow on Twitter: http://www.twitter.com/scishow SOURCES http://coffeefaq.com/site/node/17 http://www.ncpa.org/sub/dpd/index.php?Article_ID=13971 http://www.wisegeek.com/what-are-natural-sources-of-caffeine.htm http://www.wisegeek.com/what-is-kola-nut.htm http://www.independent.co.uk/news/science/under-the-microscope-how-does-caffeine-work-1993056.html http://chemistry.about.com/od/moleculescompounds/a/caffeine.htm http://en.wikipedia.org/wiki/Caffeine http://en.wikipedia.org/wiki/Kola_nut http://www.erowid.org/chemicals/caffeine/caffeine_info1.shtml#2 http://coffeefaq.com/site/node/12
Views: 1309323 SciShow
The Fibonacci Sequence: Nature's Code
 
03:20
Hank introduces us to the most beautiful numbers in nature - the Fibonacci sequence. Like SciShow: http://www.facebook.com/scishow Follow SciShow: http://www.twitter.com/scishow Vi Hart's Fibonacci series starts here: http://www.youtube.com/watch?v=ahXIMUkSXX0 References: http://mathdude.quickanddirtytips.com/what-is-the-fibonacci-sequence.aspx http://mathdude.quickanddirtytips.com/what-is-the-golden-ratio.aspx http://www.maths.surrey.ac.uk/hosted-sites/R.Knott/Fibonacci/fibnat.html http://thesavoia.com/2012/06/04/the-golden-ratio-in-flowers/
Views: 1082847 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: 1647935 SciShow
Why Shouldn't You Take Medicine with Grapefruit Juice?
 
02:13
If you’ve taken prescription medication, have you ever noticed the strange disclaimer, "don't take with grapefruit juice"? There is a very good reason for that! Hank Green explains in this episode of SciShow Quick Questions! 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, Chris Peters, Philippe von Bergen, Fatima Iqbal, John Murrin, Linnea Boyev, and Kathy & Tim Philip. ---------- 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.dictiome.com/en/27682/furanocoumarins-pronunciation-Aussprache-prononciation-%D0%BF%D1%80%D0%BE%D0%B8%D0%B7%D0%BD%D0%BE%D1%88%D0%B5%D0%BD%D0%B8%D0%B5-pronunciaci%C3%B3n [pronunciation] http://ajcn.nutrition.org/content/83/5/1097.long http://www.fda.gov/downloads/ForConsumers/ConsumerUpdates/UCM292839.pdf http://www.health.harvard.edu/family_health_guide/grapefruit-and-medication-a-cautionary-note http://www.cancer.net/navigating-cancer-care/how-cancer-treated/clinical-trials/phases-clinical-trials
Views: 595291 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: 1257460 SciShow
Plasma, The Most Common Phase of Matter in the Universe
 
03:33
Get to know plasma, the most common, but probably least understood, phase of matter in the universe! 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.universetoday.com/84361/plasma/ http://www.scientificamerican.com/article/quotwhat-causes-the-stran/ http://www.plasmacoalition.org/plasma_writeups/lightning.pdf http://ec.europa.eu/research/energy/euratom/index_en.cfm?pg=fusion&section=plasma-physics http://education.jlab.org/qa/plasma_02.html http://science.howstuffworks.com/nature/natural-disasters/lightning.htm http://www.universetoday.com/50734/states-of-matter/ http://home.howstuffworks.com/fluorescent-lamp.htm http://science.howstuffworks.com/environmental/energy/plasma-converter.htm http://csep10.phys.utk.edu/astr162/lect/light/ionization.html Images: http://en.wikipedia.org/wiki/Erasmus_of_Formia#mediaviewer/File:Falkensteiner_Retabel_Drehfl%C3%BCgel_rechts_au%C3%9Fen.jpg http://en.wikipedia.org/wiki/St._Elmo%27s_fire#mediaviewer/File:Elmo%27s_fire-2.jpg http://en.wikipedia.org/wiki/William_Crookes#mediaviewer/File:Sir_William_Crookes_1906.jpg http://commons.wikimedia.org/wiki/File:PSM_V48_D855_Crookes_tubes.jpg http://commons.wikimedia.org/wiki/File:Gerds_plasma.jpg http://en.wikipedia.org/wiki/Star#mediaviewer/File:The_Sun_by_the_Atmospheric_Imaging_Assembly_of_NASA%27s_Solar_Dynamics_Observatory_-_20100819.jpg http://commons.wikimedia.org/wiki/File:Lightning3.jpg
Views: 737721 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: 2416293 SciShow
What Happens When You Faint?
 
02:26
Why do we faint? Because sometimes, your nervous system just doesn’t know what to do with itself. 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://faculty.weber.edu/molpin/healthclasses/1110/bookchapters/stressphysiologychapter.htm http://intermountainhealthcare.org/ext/Dcmnt?ncid=520408204 http://circ.ahajournals.org/content/106/9/1048.full http://circ.ahajournals.org/content/113/16/e715.full http://www.ncemi.org/cse/cse0101.htm http://www.nhs.uk/Conditions/Fainting/Pages/Causes.aspx
Views: 804969 SciShow
What are Blood Types?
 
03:05
Quick Questions explains why, when it comes right down to it, there are really only eight kinds of people in the world. ---------- 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.ncbi.nlm.nih.gov/books/NBK2261/ http://www.nobelprize.org/educational/medicine/landsteiner/readmore.html http://anthro.palomar.edu/blood/Rh_system.htm http://www.nlm.nih.gov/medlineplus/ency/article/002223.htm http://www.rcsb.org/pdb/101/motm.do?momID=21 http://learn.genetics.utah.edu/content/inheritance/blood/ http://www.northshore.org/community-events/donating-blood/blood-types/ http://www.redcrossblood.org/learn-about-blood/blood-types
Views: 1369258 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: 1560288 SciShow
Weak Interaction: The Four Fundamental Forces of Physics #2
 
04:00
Hank continues our series on the four fundamental forces of physics by describing the weak interaction, which operates at an infinitesimally small scale to cause particle decay. Watch the video on Strong Interaction: http://www.youtube.com/watch?v=Yv3EMq2Dgq8 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/forces/funfor.html#c4 http://hyperphysics.phy-astr.gsu.edu/hbase/forces/funfor.html#c5
Views: 561187 SciShow
Why Is Only Half of My Nose Working?
 
02:49
Ever notice how one side of your nose always seems to be more stuffed than the other? What’s up with that? Quick Questions knows! Hosted by: Hank Green ---------- Dooblydoo thanks go to the following Patreon supporters -- we couldn't make SciShow without them! Shout out to Christopher Prevoe, Justin Ove, John Szymakowski, Peso255, Ruben Galvao, 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://mentalfloss.com/article/30363/why-does-your-nose-get-stuffy-one-nostril-time http://www.abc.net.au/science/articles/2000/11/01/198395.htm?site=science/greatmomentsinscience http://news.stanford.edu/news/1999/november10/smell-1110.html http://www.emptynosesyndrome.org/turbinate-tutorial/role-of-turbinates-humidification/ http://www.ncbi.nlm.nih.gov/pubmed/23576311
Views: 1487475 SciShow
Why Sexy Is Sexy
 
03:29
Hank delves into the scientific reasons behind why we are attracted to the people we're attracted to. It's complicated. 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/-3by3
Views: 4978179 SciShow
Sprites, Jets, and Glowing Balls: The Science of Lightning
 
03:43
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: 325439 SciShow
What Causes Pins and Needles?
 
02:26
Ever wondered what causes that strange tingling feeling? Well, settle in as Quick Questions explains how it works. Just be careful how you sit. 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, 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: http://www.ninds.nih.gov/disorders/paresthesia/paresthesia.htm http://mentalfloss.com/article/21035/why-do-limbs-fall-asleep http://www.livescience.com/33727-pins-needles-sensation.html http://www.ncbi.nlm.nih.gov/pubmed/20592403 http://www.betterhealth.vic.gov.au/bhcv2/bhcarticles.nsf/pages/Pins_and_needles http://www.nhs.uk/conditions/Pins-and-needles/Pages/Introduction.aspx
Views: 860064 SciShow
The Science of Lewy Body Dementia
 
04:25
This week in SciShow News we dissect what a Lewy Body is and what they are capable of doing. Hosted by: Hank Green ---------- Dooblydoo thanks go to the following Patreon supporters -- we couldn't make SciShow without them! Shout out to Justin Ove, David Campos, Chris Peters, Philippe von Bergen, Lilly Grainger, Happy Birthday!!, Fatima Iqbal, and Justin Lentz. ---------- 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://theconversation.com/robin-williams-had-dementia-with-lewy-bodies-so-what-is-it-and-why-has-it-been-eclipsed-by-alzheimers-50221 http://www.lbda.org/content/lbda-clarifies-autopsy-report-comedian-robin-williams http://www.lbda.org/content/lewy-who http://www.parkinson.org/understanding-parkinsons/what-is-parkinsons http://www.ihcworld.com/_protocols/general_ICC/staining.htm http://ghr.nlm.nih.gov/gene/SNCA http://www.ncbi.nlm.nih.gov/pubmed/12012571
Views: 342424 SciShow
Should You Use Hydrogen Peroxide to Clean Wounds?
 
02:11
Hydrogen Peroxide: It fizzes, it stings, but does it actually do you any good? Find out on this week's Quick Question! 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, Fatima Iqbal, Linnea Boyev, Kathy & Tim Philip, Kevin Bealer, Justin Lentz, Chris Peters, 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:
Views: 680106 SciShow
The Truth About Asparagus and Your Pee
 
04:36
An astonishing amount of research has gone into the question of whether asparagus really makes your urine smell funny. Sci Show explains it all inside! 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://www.ncbi.nlm.nih.gov/pmc/articles/PMC1379935/pdf/brjclinpharm00087-0116.pdf http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1715705/pdf/brmedj00052-0020.pdf http://chemse.oxfordjournals.org/content/early/2010/09/27/chemse.bjq081.full http://udel.edu/~mcdonald/mythasparagusurine.html http://www.smithsonianmag.com/science-nature/why-asparagus-makes-your-urine-smell-49961252/?no-ist http://mentalfloss.com/article/24731/why-does-asparagus-make-your-pee-smell-funny http://www.bbc.com/future/story/20140818-mystery-of-asparagus-and-urine http://www.webmd.com/food-recipes/features/why-pee-smells-funny-eat-asparagus
Views: 678347 SciShow
What If We Killed All the Mosquitoes?
 
05:01
With the Zika virus in the news, some people have wondered why we don't just kill them ALL. 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, Fatima Iqbal, Linnea Boyev, Kathy & Tim Philip, Kevin Bealer, Justin Lentz, Chris Peters, 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: History of War against Mosquitoes/DDT http://www.nature.com/news/2010/100721/full/466432a/box/1.html http://www.panna.org/resources/ddt-story http://www.scientificamerican.com/article/ddt-use-to-combat-malaria/ Ecological Impacts http://www.nature.com/news/2010/100721/full/466432a.html http://rspb.royalsocietypublishing.org/content/282/1815/20151549 http://www.fs.fed.us/wildflowers/pollinators/pollinator-of-the-month/aedes_communis.shtml Zika Mosquito http://www.cdc.gov/zika/transmission/index.html http://www.paho.org/hq/index.php?option=com_content&view=article&id=11605&Itemid=0&lang=en RNA Molecular Pesticide (killing) http://www.ncbi.nlm.nih.gov/pubmed/18533434?dopt=Abstract&holding=npg Transgenic Male Mosquitoes -- self-limiting gene, kills offspring (killing) http://journals.plos.org/plosntds/article?id=10.1371/journal.pntd.0003864 http://journals.plos.org/plosntds/article?id=10.1371/journal.pntd.0003999 http://www.reuters.com/article/us-science-insects-gmo-idUSKBN0U000820151217 http://www.oxitec.com/faqs/ Transgenic Mosquitoes -- gene drive, Anopheles (resistance to parasite) http://www.pnas.org/content/112/49/E6736 http://www.latimes.com/science/sciencenow/la-sci-sn-genetically-engineered-mosquitoes-malaria-20151121-story.html http://www.nature.com/news/gene-drive-mosquitoes-engineered-to-fight-malaria-1.18858#/b2 http://www.sciencemag.org/news/2015/11/gene-drive-turns-insects-malaria-fighters Wolbachia -- bacteria infection, Aedes (resistance to virus) http://www.scientificamerican.com/article/how-a-tiny-bacterium-called-wolbachia-could-defeat-dengue/ http://www.eliminatedengue.com/our-research/wolbachia http://www.ncbi.nlm.nih.gov/pubmed/23133693 Wolbachia Parasite Superinfection -- preventing potential viral resistance http://www.eurekalert.org/emb_releases/2016-02/p-wps021116.php https://www.plos.org/wp-content/uploads/2016/02/ppat-12-2-Joubert.pdf Images: https://commons.wikimedia.org/wiki/File:Aedes_aegypti_CDC-Gathany.jpg https://commons.wikimedia.org/wiki/File:Anopheles_stephensi.jpeg https://commons.wikimedia.org/wiki/File:Wolbachia.png https://commons.wikimedia.org/wiki/File:Skeetlrg.gif https://en.wikipedia.org/wiki/File:DDT_Powder.jpg
Views: 3983367 SciShow
Why Does Cilantro Taste Like Soap?
 
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It's the controversy that plagues dinner tables the world over. Cilantro tastes like soap to some people, but they may not just be picky. It could be genetic. 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.nature.com/news/soapy-taste-of-coriander-linked-to-genetic-variants-1.11398 http://www.npr.org/sections/thesalt/2012/09/14/161057954/love-to-hate-cilantro-its-in-your-genes-and-maybe-in-your-head http://www.nytimes.com/2010/04/14/dining/14curious.html?_r=0
Views: 682593 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: 712046 SciShow
The Science of Getting (and Getting Rid of) a Tattoo
 
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Why are tattoos permanent? How do you deliver the ink? And how do you remove a tattoo if you no longer want it? 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 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: http://www.pewsocialtrends.org/files/2010/10/millennials-confident-connected-open-to-change.pdf http://www.popsci.com/science/article/2013-06/fyi-what-makes-tattoos-permanent http://www.merckmanuals.com/home/skin-disorders/biology-of-the-skin/structure-and-function-of-the-skin http://www.fda.gov/ForConsumers/ConsumerUpdates/ucm048919.htm https://www.washingtonpost.com/news/speaking-of-science/wp/2015/07/28/all-the-science-that-goes-into-a-single-tattoo/ http://www.thelancet.com/journals/lanonc/article/PIIS1470-2045(11)70340-0/abstract http://www.westlakedermatology.com/blog/9-factors-that-determine-tattoo-removal-success/ http://www.jcasonline.com/article.asp?issn=0974-2077;year=2015;volume=8;issue=1;spage=16;epage=24;aulast=Sardana Image Sources: https://commons.wikimedia.org/wiki/File:Macrophages_undergo_mitosis_after_ingesting_a_fungal_cell.jpg https://commons.wikimedia.org/wiki/File:NIH_3T3.jpg https://commons.wikimedia.org/wiki/File:Laser_Tattoo_Removal_Alice_Pien_MD_AMAskincare.jpg
Views: 316703 SciShow
Graphene: The Next Big (But Thin) Thing
 
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If you haven't heard of it before, you have now. And it may prove to be the next big thing in materials science. SciShow explains what it is, why it's so awesome, and what challenges we face in harnessing its amazing properties. ---------- 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.ibtimes.com/what-graphene-5-incredible-facts-about-miracle-material-you-need-know-1399503 http://www.pnas.org/content/early/2013/07/09/1222276110 http://www.understandingnano.com/what-is-graphene.html http://www.newscientist.com/special/instant-expert-graphene http://www.physics.org/article-questions.asp?id=67 http://www.scientificamerican.com/article/geim-novoselov-physics-novel/
Views: 971621 SciShow
Why Avocados Shouldn't Exist
 
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The avocado is highly regarded by many people as delicious and nutritious, but the most extraordinary thing about avocados may be their very existence. Annotation Link - Learn More About What Qualifies as a Berry: https://www.youtube.com/watch?v=LybfP... 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: https://www.washingtonpost.com/news/wonk/wp/2015/01/22/the-sudden-rise-of-the-avocado-americas-new-favorite-fruit/ http://www.uv.mx/personal/megalindo/files/2010/07/GalindoTovar_325_334_V21.pdf http://www.theguardian.com/lifeandstyle/2015/nov/02/avocados-ripe-ready-evil-geniuses-hooked http://nutritiondata.self.com/facts/fruits-and-fruit-juices/1843/2 http://www.avocadosource.com/CAS_Yearbooks/CAS_57_1973/CAS_1973-74_PG_070-071.pdf http://inhabitat.com/how-to-grow-an-avocado-tree-from-an-avocado-pit/ http://www.amazon.com/The-Ghosts-Evolution-Nonsensical-Anachronisms/dp/0465005527 http://fission.sas.upenn.edu/caterpillar/index.php?action=retrieve&article=Janzen%2C1982anachronisms.pdf Image Credits: https://www.flickr.com/photos/gpeters... https://www.flickr.com/photos/jeffk/3... https://www.flickr.com/photos/jeffrey... https://commons.wikimedia.org/wiki/Fi... https://commons.wikimedia.org/wiki/Fi... https://commons.wikimedia.org/wiki/Fi... https://commons.wikimedia.org/wiki/Fi... https://commons.wikimedia.org/wiki/Fi...
Views: 4304084 SciShow
Why Can't You Remember Being a Baby?
 
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You're pretty sure being a baby was awesome, but why can't you actually remember any of it? 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://www.ncbi.nlm.nih.gov/pubmed/26... http://www.nimh.nih.gov/about/directo... https://www.psychologytoday.com/blog/... http://mentalfloss.com/article/12330/... http://www.npr.org/sections/health-sh... http://science.sciencemag.org/content...
Views: 588078 SciShow
How Weed Works: THC
 
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Hank explains the science behind the effects of that wackiest of weeds, cannabis sativa - aka marijuana. Like SciShow on Facebook: http://www.facebook.com/scishow Follow SciShow on Twitter: http://www.twitter.com/scishow Citations http://www.nida.nih.gov/infofacts/marijuana.html http://science.howstuffworks.com/marijuana3.htm http://www.chm.bris.ac.uk/motm/anandamide/ananh.htm http://medicalmarijuana.procon.org/view.answers.php?questionID=637 The Botany of Desire by Michael Pollan http://www.springerlink.com/content/q450642638287947/ http://www.nytimes.com/2008/09/09/science/09obdrug.html Images http://upload.wikimedia.org/wikipedia/commons/d/d1/THC.svg http://upload.wikimedia.org/wikipedia/commons/b/b7/Cannabis_plant2.jpg http://upload.wikimedia.org/wikipedia/commons/f/f9/Rnt_Anandamide.jpg http://upload.wikimedia.org/wikipedia/commons/4/44/Cannabinoid_Receptor.png
Views: 2792170 SciShow
5 Amazing Facts About Babies
 
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You know what's weird? Babies. They cry but don't produce tears; they can crawl before they can ... crawl. And they have MORE BONES THAN YOU! Learn more about these and other odd truths about newborn miniature humans. -- 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 subscribe to our Subbable at 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 --- Sources for this episode: http://patients.dartmouth-hitchcock.org/obstetrics/dhmc_tips.html http://www.breastcrawl.org/science.shtml http://abcnews.go.com/Technology/story?id=97635&page=1 http://www.theguardian.com/science/2008/apr/29/1 http://www.europeanmedicaltourist.com/orthopedic-surgery/human-skeleton.html http://www.babycenter.com/404_is-it-true-that-babies-are-born-with-the-ability-to-swim-and_10313062.bc
Views: 564285 SciShow
What Happens When You Hold Your Pee?
 
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Can holding your pee be bad for you? Learn about your bladder in this Quick Question with Michael Aranda! Hosted by: Michael Aranda Learn more about sphincters: https://www.youtube.com/watch?v=gtLO9rpXV0g Learn more about Tycho Brahe: https://www.youtube.com/watch?v=H4tZ9tyd_MM ---------- 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, Philippe von Bergen, Fatima Iqbal, John Murrin, Linnea Boyev, and Kathy & Tim Philip. ---------- 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://health.howstuffworks.com/human-body/systems/kidney-urinary/hold-pee-so-long-bladder-ruptures.htm http://www.businessinsider.com/how-long-can-you-go-without-peeing-2013-9 http://www.hopkinsmedicine.org/healthlibrary/conditions/kidney_and_urinary_system_disorders/bladder_and_bowel_dysfunction_134,113/ http://www.niddk.nih.gov/health-information/health-topics/urologic-disease/urinary-retention/Pages/facts.aspx http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2072017/ http://www.ncbi.nlm.nih.gov/pubmed/14968223 http://www.ncbi.nlm.nih.gov/pubmed/7881962 http://www.ncbi.nlm.nih.gov/pubmed/3448811
Views: 2349554 SciShow
What Happens If You Eat Mold?
 
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Even if you don’t notice that your bread is fuzzy before you chow down, it’s not going to kill you … probably. Hosted by: Michael Aranda 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.fsis.usda.gov/wps/portal/fsis/topics/food-safety-education/get-answers/food-safety-fact-sheets/safe-food-handling/molds-on-food-are-they-dangerous_/ct_index https://www.npr.org/sections/thesalt/2017/04/21/523647669/is-it-safe-to-eat-moldy-bread https://www.livescience.com/32768-is-it-safe-to-cut-off-the-mold-and-use-the-rest.html https://well.blogs.nytimes.com/2015/10/29/ask-well-is-it-safe-to-eat-moldy-bread/ https://www.scientificamerican.com/article/when-is-it-safe-to-eat-moldy-food/ https://www.cancer.gov/about-cancer/causes-prevention/risk/substances/aflatoxins http://digg.com/2017/can-you-eat-moldy-bread https://www.ncbi.nlm.nih.gov/pmc/articles/PMC164220/ http://apjcn.nhri.org.tw/server/APJCN/16%20Suppl%201//95.pdf https://www.tandfonline.com/doi/full/10.1080/23311932.2016.1213127 http://www.abc.net.au/news/health/2017-05-17/is-it-safe-to-eat-food-after-cut-mould-off/8518220 https://search.proquest.com/openview/d6c0a658f47c510ff7a84cc35d55da2d/1?pq-origsite=gscholar&cbl=40575 http://www.hilyses.com/wp-content/uploads/2016/11/heinrichs-and-Kehoe-2004-pp-194-203.pdf#page=292 https://www.ncbi.nlm.nih.gov/pubmed/11563743 http://poisonousplants.ansci.cornell.edu/toxicagents/aflatoxin/aflatoxin.html http://www.who.int/ceh/capacity/mycotoxins.pdf ---------- Images: https://commons.wikimedia.org/wiki/File:Ochratoxin_A.svg https://commons.wikimedia.org/wiki/File:Fumonisin_B1.svg https://commons.wikimedia.org/wiki/File:(%E2%80%93)-Aflatoxin_B1_Structural_Formulae_V.1.svg
Views: 407533 SciShow
World’s Most Asked Questions: How Much Water Should I Drink a Day?
 
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People ask Google everything under the sun. One of the most commonly searched questions in the world is “How much water should I drink a day?” SciShow has the answer! Watch more of the World’s Most Asked Questions here: https://www.youtube.com/playlist?list=PLsNB4peY6C6L1A74436Ccy3pvDhb33fhi And don’t forget to subscribe to www.youtube.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/collections/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: https://geiselmed.dartmouth.edu/news/2002_h2/pdf/8x8.pdf http://www.mayoclinic.org/healthy-living/nutrition-and-healthy-eating/in-depth/water/art-20044256 http://www.mayoclinic.org/healthy-living/nutrition-and-healthy-eating/multimedia/functions-of-water-in-the-body/img-20005799 http://www.bbc.com/news/magazine-24464774 http://www.cdc.gov/nutrition/everyone/basics/water.html https://www.youtube.com/watch?v=q3bjUu_ONjc -- SS on Dehydration http://www.urmc.rochester.edu/encyclopedia/content.aspx?ContentTypeID=1&ContentID=1499 http://www.nerdfitness.com/blog/2014/01/28/everything-you-need-to-know-about-hydration/ http://science.howstuffworks.com/dictionary/plant-terms/adenosine-triphosphate-atp-info.htm http://chemistry.about.com/od/waterchemistry/f/How-Much-Of-Your-Body-Is-Water.htm http://www.newhealthguide.org/What-Does-Water-Do-For-The-Body.html http://www.iom.edu/reports/2004/dietary-reference-intakes-water-potassium-sodium-chloride-and-sulfate.aspx
Views: 595335 SciShow