Home
Videos uploaded by user “SciShow”
So what IS the Higgs boson?
 
05:17
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: 983606 SciShow
Tardigrades: Adorable Extremophiles
 
04:20
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: 1240394 SciShow
Liquid Fluoride Thorium Reactors (LFTR): Energy for the Future?
 
03:14
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: 605686 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: 864008 SciShow
Strong Interaction: The Four Fundamental Forces of Physics #1a
 
03:37
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: 801675 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: 490612 SciShow
Epigenetics
 
09:29
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: 1903275 SciShow
Oklo, the Two Billion Year Old Nuclear Reactor
 
04:34
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: 2177091 SciShow
Why No Giant Mammals?
 
03:25
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: 1858350 SciShow
Why (and How) Do Bees Make Honey?
 
02:43
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: 528260 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: 787498 SciShow
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: 7250055 SciShow
Why Do I Have Tonsil Stones?
 
02:23
If you found the whiteish-yellowish lump on your throat, that might be a tonsil stone. But where does the lump come from? Why do you have it? Hosted by: Michael Aranda Want more SciShow in person? We'll be at NerdCon: Nerdfighteria in Boston on February 25th and 26th! For more information, go to http://www.nerdconnerdfighteria.com/ ---------- 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 Jeremy Peng, Kevin Bealer, Mark Terrio-Cameron, KatieMarie Magnone, Patrick Merrithew, Charles Southerland, Fatima Iqbal, Benny, Kyle Anderson, Tim Curwick, Scott Satovsky Jr, Will and Sonja Marple, Philippe von Bergen, Bella Nash, Bryce Daifuku, Chris Peters, Saul, 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.nytimes.com/2009/09/01/health/01tons.html https://www.ncbi.nlm.nih.gov/pubmed/17372553 http://www.sciencedirect.com/science/article/pii/S1286457906002280 http://scienceline.ucsb.edu/getkey.php?key=3273 http://www.livescience.com/26983-lymphatic-system.html http://medcell.med.yale.edu/histology/immune_system_lab/palatine_tonsil.php https://www.ncbi.nlm.nih.gov/pubmed/19716006 Image Sources: https://commons.wikimedia.org/wiki/File:Tonsillolith_in_mouth.jpg https://commons.wikimedia.org/wiki/File:Throat_with_Tonsils_0012J.jpeg
Views: 1151131 SciShow
Why Do Planes Fly So High?
 
02:23
We’ve all been flying high ever since the development of the jet engine in the mid-1950s. But why were jets were designed to fly at those high altitudes in the first place? 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, 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.airliners.net/aviation-forums/tech_ops/read.main/56218/ http://www.decodedscience.com/why-do-jet-airplanes-fly-at-high-altitudes/9815 https://www.grc.nasa.gov/www/k-12/BGP/PAT/Fuel_and_Air2_act.htm https://www.grc.nasa.gov/www/K-12/airplane/lift1.html
Views: 723565 SciShow
3 Neat Facts About Narwhals (Including: They're Real!)
 
03:38
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: 846869 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: 2074031 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: 532218 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: 1277796 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: 1432154 SciShow
How a Bee Becomes Queen
 
03:59
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: 4578137 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: 849014 SciShow
Electromagnetism - Magnetic Force: The Four Fundamental Forces of Physics #4b
 
03:18
In this final segment on the four fundamental forces of physics, Hank tackles the magnetic force, the second of the two ways in which electromagnetism is apparent in the universe. Like SciShow on Facebook: http://www.facebook.com/scishow Follow SciShow on Twitter: http://www.twitter.com.scishow References: http://www.magnet.fsu.edu/mediacenter/publications/flux/vol2issue2/milestones.html http://theory.uwinnipeg.ca/mod_tech/node83.html http://www.magnet.fsu.edu/ http://www.explainthatstuff.com/magnetism.html Forces of Nature by P.C.W. Davies Introduction to Elementary Particles by David Griffiths
Views: 595399 SciShow
The Science of Dreaming
 
09:03
Dreaming is one of the weirdest things we do & in this SciShow infusion Hank talks about how science is helping us understand why we dream, what our brains are up to when they're doing it, and why dreaming may be critically important to the function of our waking brain. He also touches on the fascinating subject of lucid dreaming. Try to stay awake! Like SciShow! http://www.facebook.com/scishow Follow SciShow: http://www.twitter.com/scishow ReferencesDreams help us solve puzzles (http://www.saramednick.com/htmls/pdfs/Cai_PNAS_2009.pdf) (http://www.ncbi.nlm.nih.gov/pubmed/14737168?dopt=Abstract) http://opinionator.blogs.nytimes.com/2010/03/19/why-we-need-to-dream/ Lucid Dreaming http://www.scientificamerican.com/article.cfm?id=how-to-control-dreams http://www.scientificamerican.com/blog/post.cfm?id=inception-is-a-clunker-but-lucid-dr-2010-08-02 General: http://scienceblogs.com/cortex/2006/12/the_neuroscience_of_dreaming.php http://www.sciencenews.org/view/generic/id/335866/title/First_brain_image_of_a_dream_created http://www.saramednick.com/htmls/pdfs/Cai_PNAS_2009.pdf http://www.scientificamerican.com/article.cfm?id=the-science-behind-dreaming http://www.pbs.org/wgbh/nova/body/stickgold-dreams.html http://www.ncbi.nlm.nih.gov/pubmed/14737168?dopt=Abstract http://www.nature.com/neuro/journal/v10/n1/abs/nn1825.html IMAGES: http://en.wikipedia.org/wiki/File:Sigmund_Freud_LIFE.jpg [PUBLIC DOMAIN] http://en.wikipedia.org/wiki/File:Die_Traumdeutung.jpg [public domain] http://patientinfo.nimh.nih.gov/CC/Nimages/EEG3Large.jpg [public domain]
Views: 1399147 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: 1733225 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: 1799735 SciShow
How Does Hair Know When to Stop Growing?
 
02:51
The hair on your scalp can get really long, but your leg hair doesn’t sweep the floor. Why not? 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://www.webmd.com/skin-problems-and-treatments/hair-loss/science-hair?page=2 https://www.aad.org/dermatology-a-to-z/for-kids/about-hair/how-hair-grows http://www.loc.gov/rr/scitech/mysteries/grayhair.html http://physrev.physiology.org/content/81/1/449#ref-533 http://www.livestrong.com/article/109520-eyebrow-growth-rate/ http://stemcells.nih.gov/info/basics/pages/basics1.aspx http://physrev.physiology.org/content/81/1/449#ref-533 http://news.yale.edu/2011/09/01/yale-scientists-find-stem-cells-tell-hair-its-time-grow
Views: 865054 SciShow
Dam Fun Facts About Beavers
 
04:27
SciShow shares fun facts about nature's greatest engineers: the beaver! Special thanks to Dr. Heidi Perryman of http://www.martinezbeavers.org/ for pointing out some of our photo examples were of nutria, also called coypu, another large aquatic rodent, that is also cute, but not a beaver. --------- Want to learn more about Animal Wonders? https://www.youtube.com/user/Anmlwndrs ---------- 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://news.discovery.com/animals/zoo-animals/beaver-dam-canada-space.htm http://wildlife.utah.gov/publications/pdf/2012_beavers.pdf http://www.vetmed.wsu.edu/features/baileyMay06.asp http://www.canadiangeographic.ca/kids/animal-facts/beaver.asp http://www.landscouncil.org/beaversolution/facts_on_beavers.asp http://newswatch.nationalgeographic.com/2013/10/01/beaver-butts-emit-goo-used-for-vanilla-flavoring/ http://www3.northern.edu/natsource/MAMMALS/Beaver1.htm
Views: 583963 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: 694056 SciShow
Your Brain is Plastic
 
04:08
Educators, follow @IntelEDU on Twitter and visit http://intel.com/rightdevice for exclusive lesson plans, classroom tech ideas and to learn more about advancing education worldwide. Hank explains the gift that your brain gives you every day: the gift of neural plasticity -- the ways in which your brain actually changes at the cellular level as you learn. ------------------------ 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://faculty.washington.edu/chudler/plast.html http://nichcy.org/schoolage/effective-practices/brain101#learning http://www.ncbi.nlm.nih.gov/pubmed/17024677 http://www.sciencedaily.com/releases/2011/02/110203141837.htm http://sharpbrains.com/blog/2008/02/26/brain-plasticity-how-learning-changes-your-brain/
Views: 718831 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: 665300 SciShow
Bitcoin: How Cryptocurrencies Work
 
09:25
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: 2676505 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: 360592 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: 1647130 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: 897754 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: 714144 SciShow
Lead: The Original Artificial Sweetener
 
04:54
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: 730544 SciShow
How Is That Not Killing You?
 
04:04
When Hank watches nature documentaries he always comes away with one big question: how is that not killing you? In today's episode of SciShow he looks at three unusual ways that animals manage not to get killed by nature. 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/-6IJN
Views: 1852690 SciShow
The Strongest Bases in the World
 
04:29
Acids are widely considered to be the scariest chemical compounds of all, but bases can be just as powerful. Most powerful of all are a special class of pH scale-defying bases called superbases! 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, Mark Terrio-Cameron, KatieMarie Magnone, Patrick Merrithew, Charles Southerland, Fatima Iqbal, Benny, Kyle Anderson, Tim Curwick, Scott Satovsky Jr, Will and Sonja Marple, Philippe von Bergen, Bella Nash, Bryce Daifuku, Chris Peters, Patrick D. Ashmore, Charles George, Bader AlGhamdi ---------- 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.chemistryexplained.com/Ru-Sp/Soap.html http://www.classzone.com/vpg_ebooks/ml_sci_gr8/accessibility/ml_sci_gr8/page_324.pdf http://pubs.rsc.org/en/content/articlehtml/2016/sc/c6sc01726f http://chemistry.anu.edu.au/news-events/basically-record-breaking http://media.uow.edu.au/news/UOW219367.html http://pubs.rsc.org/en/Content/ArticleLanding/2016/SC/C6SC01726F#!divAbstract http://www.bioworldusa.com/ph/household-bleach# http://www.softschools.com/formulas/chemistry/sodium_hydride_uses_properties_structure_formula/248/ http://rushim.ru/books/mechanizms/superbases-for-organic-synthesis.pdf http://www.chemistryviews.org/details/ezine/8095451/The_Strongest_Superbases.html http://fileserver.net-texts.com/asset.aspx?dl=no&id=155824 http://www.ks.uiuc.edu/Training/SumSchool/materials/sources/tutorials/05-qm-tutorial/part2.html
Views: 1281515 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: 536309 SciShow
Coriolis Effect: IDTIMWYTIM
 
03:05
Does your toilet water drain differently than in the other hemisphere? Is it because of the Coriolis effect? Hank has some things to clarify about these questions, and more in this edition of I Don't Think It Means What You Think It Means. 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://www.snopes.com/science/coriolis.asp http://science.howstuffworks.com/science-vs-myth/everyday-myths/rotation-earth-toilet-baseball2.htm http://www.ems.psu.edu/~fraser/Bad/BadCoriolis.html http://oceanservice.noaa.gov/education/kits/currents/05currents1.html http://education.nationalgeographic.com/education/encyclopedia/coriolis-effect/?ar_a=1 http://en.wikipedia.org/wiki/File:Gustave_coriolis.jpg
Views: 705082 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: 1263841 SciShow
Circadian Rhythm and Your Brain's Clock
 
04:10
Why do we sleep at night instead of during the day? In this episode of SciShow Hank talks about circadian rhythms, how they work, and how they regulate different processes in our bodies. ---------- Our President of Space for this episode: http://www.youtube.com/user/Kurzgesagt ---------- 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/pubmed/18419318 http://www.livescience.com/13123-circadian-rhythms-obesity-diabetes-nih.html http://www.sleepfoundation.org/article/sleep-topics/sleep-drive-and-your-body-clock http://www.aasmnet.org/resources/factsheets/crsd.pdf http://www.helpguide.org/harvard/sleep_cycles_body_clock.htm http://www.princeton.edu/~ota/disk1/1991/9108/910805.PDF http://news.uci.edu/press-releases/circadian-rhythms-control-bodys-response-to-intestinal-infections-uci-led-study-finds/ http://blogs.nature.com/news/2012/03/gaining-control-of-our-circadian-rhythms.html http://news.yale.edu/2013/06/17/rhythm-everything http://online.wsj.com/news/articles/SB10000872396390444180004578018294057070544
Views: 644009 SciShow
3 Amazing Photosynthetic Animals
 
03:54
Hank's love affair with plants takes a slight hit now that he's learned about several animal species that can photosynthesize. Fortunately, he's excited enough about these animals to share them with all of us! Let SciShow introduce you to three these special photosynthetic animals. 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/-2Dwr
Views: 470419 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: 3440011 SciShow
What Neanderthal DNA Is Doing To Your Genome
 
04:18
Scientists estimate that about 2% of our DNA is from Neanderthals. In this week, the journal Cell showed what those Neanderthal DNA do to our genome. 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, Mark Terrio-Cameron, KatieMarie Magnone, Patrick Merrithew, Charles Southerland, Fatima Iqbal, Benny, Kyle Anderson, Tim Curwick, Scott Satovsky Jr, Will and Sonja Marple, Philippe von Bergen, Bella Nash, Bryce Daifuku, Chris Peters, Patrick D. Ashmore, Charles George, Bader AlGhamdi ---------- 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.eurekalert.org/emb_releases/2017-02/cp-ndc021617.php http://www.cell.com/cell/fulltext/S0092-8674(17)30128-9
Views: 417843 SciShow
Why Avocados Shouldn't Exist
 
03:54
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: 4461944 SciShow
Why Can't We Make Spider Silk?
 
04:59
People have been using silkworm silk to make stuff for thousands of years, but spider silk could potentially be even more useful. It's stronger than steel, super stretchy, and could be made into anything from bridge cables to biodegradable water bottles... if only we could figure out how to cultivate it. 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 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.wired.com/2015/06/bolt-threads-spider-silk/ https://finance.yahoo.com/news/314-necktie-made-spider-silk-201500116.html https://www.forbes.com/sites/amyfeldman/2018/08/14/clothes-from-a-petri-dish-700-million-bolt-threads-may-have-cracked-the-code-on-spider-silk/#4ad46bc8bda1 https://www.smithsonianmag.com/innovation/new-artificial-spider-silk-stronger-steel-and-98-percent-water-180964176/ http://www.kraiglabs.com/spider-silk/ https://www.technologyreview.com/s/541361/spinning-synthetic-spider-silk/ https://www.technologyreview.com/s/420070/making-spider-strength-materials/ http://www.bbc.co.uk/science/0/21685308 https://cen.acs.org/articles/92/i9/Spider-Silk-Poised-Commercial-Entry.html https://www.nature.com/articles/nbt.3894/tables/1 https://texeresilk.com/article/silk_making_how_to_make_silk https://phys.org/news/2018-07-genetic-silkworm-unravel-history-domestication.html https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5000687/ https://www.britannica.com/animal/silkworm-moth https://phys.org/news/2012-07-future-biomaterial-spider-silk-production.html https://labiotech.eu/industrial/adidas-amsilk-biodegradable-sneakers/ https://phys.org/news/2018-04-spider-silk-key-bone-fixing-composite.html https://www.wired.com/story/bolt-threads-synthetic-spider-silk-hat/ https://www.bbc.com/news/av/science-environment-16554357/the-goats-with-spider-genes-and-silk-in-their-milk
Views: 352689 SciShow
This is NOT What Evolution Looks Like
 
03:51
Hank explains where that over-simplified image of evolution comes from and what it is actually supposed to mean. 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://en.wikipedia.org/wiki/March_of_Progress http://evolution.berkeley.edu/evolibrary/article/evograms_07 http://mentalfloss.com/article/19428/neanderthal-vs-cro-magnon-whats-difference http://www.sci-news.com/paleontology/science-oreopithecus-01261.html
Views: 1772073 SciShow
6 Popular "Home Remedies" That Don't Actually Work
 
09:16
Studies have found that even some of the most well-known home remedies don’t work, and sometimes they do more harm than good. Hosted by: Stefan Chin Healthcare Triage: https://www.youtube.com/healthcaretriage 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: Honey for allergies https://www.honey.com/faq https://www.annallergy.org/article/S1081-1206(10)61996-5/pdf https://acaai.org/allergies/treatment/allergy-shots-immunotherapy https://acaai.org/resources/connect/ask-allergist/will-honey-relieve-my-seasonal-allergies https://www.researchgate.net/profile/Kimmo_Saarinen/publication/49719792_Birch_Pollen_Honey_for_Birch_Pollen_Allergy_-_A_Randomized_Controlled_Pilot_Study/links/00b495264d41f09d6d000000.pdf Butter for burns http://www.woundsaustralia.com.au/journal/1801_01.pdf https://www.burnsjournal.com/#http://www.burnsjournal.com/article/S0305-4179(06)00740-6/fulltext https://www.burnsjournal.com/article/0305-4179(93)90070-O/fulltext https://uamshealth.com/healthlibrary2/medicalmyths/butterforburns/ https://www.burnsjournal.com/article/S0305-4179(08)00352-5/fulltext https://www.researchgate.net/profile/William_Tiong/publication/269701993_On_Scene_First_Aid_and_Emergency_Care_for_Burn_Victims/links/5493b6ed0cf22d7925da33a9/On-Scene-First-Aid-and-Emergency-Care-for-Burn-Victims.pdf https://www.researchgate.net/profile/William_Tiong/publication/269701993_On_Scene_First_Aid_and_Emergency_Care_for_Burn_Victims/links/5493b6ed0cf22d7925da33a9/On-Scene-First-Aid-and-Emergency-Care-for-Burn-Victims.pdf https://xu.uic.edu/files/2014/08/Burn.pdf https://www.ncbi.nlm.nih.gov/pubmed/25820085 http://bebc.xjtu.edu.cn/paper%20file/36.pdf https://www.tandfonline.com/doi/abs/10.1080/00325481.1995.11945998?journalCode=ipgm20 https://www.sciencedirect.com/science/article/pii/S0305417906000611 Vinegar for lice https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3418981/ https://link.springer.com/content/pdf/10.1007%2Fs40257-014-0094-4.pdf#page12 https://www.sciencedirect.com/science/article/pii/S0882596304001393 https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3418981/#b7-0580839 https://www.health.harvard.edu/blog/fda-approves-new-treatment-for-head-lice-201101191170 http://pediatrics.aappublications.org/content/126/2/392.full Ipecac syrup https://www.jahonline.org/article/S1054-139X(05)00112-6/fulltext https://www.tandfonline.com/doi/full/10.1081/CLT-46735?scroll=top&needAccess=true https://www.tandfonline.com/doi/abs/10.3109/15563659709162567 https://www.ncbi.nlm.nih.gov/pubmed/11557913 Head back for nosebleeds https://www.nytimes.com/2008/04/29/health/29real.html http://www.jnsmonline.org/article.asp?issn=2589-627X;year=2018;volume=1;issue=1;spage=22;epage=27;aulast=Saleem https://pmj.bmj.com/content/postgradmedj/74/868/113.full.pdf Tea bags for pink eye https://nei.nih.gov/health/pinkeye/pink_facts https://www.ncbi.nlm.nih.gov/pubmed/21042790 https://www.ncbi.nlm.nih.gov/pubmed/18236016 https://academic.oup.com/femspd/article/51/3/443/631090 ------ Images: https://www.istockphoto.com/photo/good-things-come-to-those-who-wait-gm860089106-142087901 https://www.istockphoto.com/photo/honey-and-honeycomb-gm810340892-131108297 https://www.istockphoto.com/photo/mother-and-daughter-with-cold-or-flu-gm173545657-25471999 https://www.istockphoto.com/photo/toast-with-honey-for-breakfast-gm675227764-124371929 https://www.istockphoto.com/photo/bees-on-honeycomb-gm853088856-140272109 https://www.istockphoto.com/photo/a-red-first-aid-box-with-supplies-for-dressings-in-front-gm473170132-63832735 https://www.istockphoto.com/photo/stick-of-butter-gm181151588-25717631 https://www.istockphoto.com/photo/stick-of-butter-gm675971696-124892439 https://www.istockphoto.com/photo/physiotherapy-patient-with-hand-in-ice-bath-gm470224943-35118798 https://www.flickr.com/photos/[email protected]/4900275659 https://commons.wikimedia.org/w/index.php?title=File%3AHead_louse_crawling_on_hairbrush.webm https://www.istockphoto.com/photo/lice-on-the-hair-gm841432766-137235891 https://tinyurl.com/yamv9hf3 https://tinyurl.com/y73fs7rk https://tinyurl.com/ybogeprm https://tinyurl.com/y8lkpc6f https://tinyurl.com/ybyg5xtd https://tinyurl.com/yd9jqs57 https://tinyurl.com/y9bo587b
Views: 474094 SciShow
What Happens If You're Struck By Lightning?
 
04:00
The chances of you being hit by lightning are small by comparison, but it does happen! Hank will go through what ultimately happens when you are struck by lightning because chances are you will survive to tell it to your friends. 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.npr.org/blogs/theprotojournalist/2013/07/17/200140433/the-randomness-of-lightning-fatalities-a-mapstory?utm_source=npr&utm_medium=facebook&utm_campaign=20130717 http://www.bbc.com/future/story/20120926-what-causes-lightening/2 http://science.howstuffworks.com/nature/climate-weather/storms/struck-by-lightning.htm http://www.washingtonpost.com/blogs/capital-weather-gang/wp/2013/05/08/ten-shocking-things-that-can-happen-if-you-are-struck-by-lightning/ http://twistedsifter.com/2012/03/lichtenberg-figures-lightning-strike-scars/ http://www.lightning-strike.org/DesktopDefault.aspx http://www.afms.af.mil/news/story.asp?id=123316472 http://www.slate.com/articles/news_and_politics/dispatches/2005/06/dont_stand_by_me.html http://www.nytimes.com/1983/09/30/obituaries/roy-sullivan.html http://discovertheodds.com/what-are-the-odds-of-being-struck-by-lightning/ http://news.nationalgeographic.com/news/2004/06/0623_040623_lightningfacts.html http://mddirect.org/2012/08/06/when-lightning-strikes/
Views: 1105372 SciShow