SciShow

SciShow
  • 5 minutes
  • 1276 episodes
  • science
  • news
  • learn
  • teach
  • biology
  • physics
  • chemistry
  • scishow
  • hank green
  • skeleton
  • tardigrade
  • michael aranda

SciShow explores the unexpected. Seven days a week, Hank Green, Michael Aranda, and Olivia Gordon delve into the scientific subjects that defy our expectations and make us even more curious!

Schedule:
Sundays - Learn about the amazing topics we can't quite make a stand-alone show about in SciShow List Show!
Mondays - Tune in for a short Dose about our weird world.
Tuesdays - Find answers to our most asked Quick Questions.
Wednesdays - Hank or Michael dives deep into a long-form Infusion episode, or an unscripted talk show or quiz show with a guest!
Thursday - Another new dose about the wonders of the world.
Fridays - Learn the latest in science News.
Saturdays - Get your quick questions answered!

Don't forget to check out our sister-channels SciShow Space, SciShow Psych, and SciShow Kids!

Teratomas: What Tumors with Teeth Can Teach Us About Stem Cells

There’s one kind of tumor that’s basically straight out of a horror movie... Hosted by: Olivia Gordon 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, Nicholas Smith, D.A. Noe, alexander wadsworth, سلطان الخليفي, Piya Shedden, KatieMarie Magnone, Scott Satovsky Jr, Charles Southerland, Bader AlGhamdi, James Harshaw, Patrick D. Ashmore, Candy, Tim Curwick, charles george, Saul, Mark Terrio-Cameron, Viraansh Bhanushali, Kevin Bealer, Philippe von Bergen, Chris Peters, Justin Lentz ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Instagram: http://instagram.com/thescishow ---------- Sources: http://citeseerx.ist.psu.edu/viewdoc/download;jsessionid=0FB6084B0AAE28F16FA229233A3AFCE7?doi=10.1.1.290.7541&rep=rep1&type=pdf https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2814927/ https://www.urmc.rochester.edu/encyclopedia/content.aspx?contenttypeid=90&contentid=p02725 https://www.ncbi.nlm.nih.gov/pubmed/21432780 https://onlinelibrary.wiley.com/doi/pdf/10.1111/j.1365-2605.1981.tb00651.x http://biology.kenyon.edu/courses/biol114/Chap14/Chapter_14A.html https://www.the-scientist.com/?articles.view/articleNo/12717/title/A-Stem-Cell-Legacy--Leroy-Stevens/ https://www.ncbi.nlm.nih.gov/pmc/articles/PMC349323/?page=1 https://www.sciencedirect.com/science/article/pii/0012160670901302?via%3Dihub https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4567366/ https://www.nature.com/stemcells/2009/0903/090305/full/stemcells.2009.36.html https://academic.oup.com/biomedgerontology/article/58/3/M279/684137 https://www.ncbi.nlm.nih.gov/books/NBK133287/ Images: https://commons.wikimedia.org/wiki/File:Types_of_tumor_cells.jpg https://commons.wikimedia.org/wiki/File:Mature_cystic_teratoma_of_ovary.jpg https://commons.wikimedia.org/wiki/File:Ovarian_teratoma.jpg https://commons.wikimedia.org/wiki/File:Teratoma_2_low_mag.jpg https://commons.wikimedia.org/wiki/File:Humanstemcell.JPG

1 day ago

Why Does Time Slow Down During Car Accidents?

Get 2 months of Skillshare for free: http://skl.sh/scishow7 The sensation of time slowing down during intense situations is a commonly reported phenomenon, but what's actually going on? Hosted by: Stefan Chin 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, Nicholas Smith, D.A. Noe, alexander wadsworth, سلطان الخليفي, Piya Shedden, KatieMarie Magnone, Scott Satovsky Jr, Charles Southerland, Bader AlGhamdi, James Harshaw, Patrick D. Ashmore, Candy, Tim Curwick, charles george, Saul, Mark Terrio-Cameron, Viraansh Bhanushali, Kevin Bealer, Philippe von Bergen, Chris Peters, Justin Lentz ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Instagram: http://instagram.com/thescishow ---------- Sources:

4 days ago

How Junk Food Hacks Your Brain

Scientists think that evolution may not have prepared our brains for donuts, and an international research team has found out that some of earth’s oldest, largest trees are suddenly on the decline. 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, Nicholas Smith, D.A. Noe, alexander wadsworth, سلطان الخليفي, Piya Shedden, KatieMarie Magnone, Scott Satovsky Jr, Charles Southerland, Bader AlGhamdi, James Harshaw, Patrick D. Ashmore, Candy, Tim Curwick, charles george, Saul, Mark Terrio-Cameron, Viraansh Bhanushali, Kevin Bealer, Philippe von Bergen, Chris Peters, Justin Lentz ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Instagram: http://instagram.com/thescishow ---------- Sources: https://www.eurekalert.org/emb_releases/2018-06/cp-fcf060718.php https://www.cell.com/cell-metabolism/fulltext/S1550-4131(18)30325-5 https://www.ncbi.nlm.nih.gov/pubmed/18950658 https://www.sciencedirect.com/science/article/pii/S0889157500909608 https://press.nature.com/?post_type=press_release&p=115583&shunter=1527164803872 https://www.nature.com/articles/s41477-018-0170-5 https://www.radiocarbon.com/accelerator-mass-spectrometry.htm http://iopscience.iop.org/article/10.1088/1748-9326/10/8/085004/meta https://www.theatlantic.com/science/archive/2018/06/baobab-trees-dying-climate-change/562499/ https://www.sciencenews.org/blog/wild-things/huge-hollow-baobab-trees-are-actually-multiple-fused-stems

5 days ago

What Do Food Expiration Dates Actually Mean?

Sell By, Best By, and Use By... do these dates actually tell you anything? Food science can be tricky, but we're here to clear some of it up. The Financial Diet: https://www.youtube.com/TheFinancialDiet 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, Nicholas Smith, D.A. Noe, alexander wadsworth, سلطان الخليفي, Piya Shedden, KatieMarie Magnone, Scott Satovsky Jr, Charles Southerland, Bader AlGhamdi, James Harshaw, Patrick D. Ashmore, Candy, Tim Curwick, charles george, Saul, Mark Terrio-Cameron, Viraansh Bhanushali, Kevin Bealer, Philippe von Bergen, Chris Peters, Justin Lentz ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Instagram: http://instagram.com/thescishow ---------- Sources: https://www.moldguide.net/mold-on-food https://www.fema.gov/pdf/rebuild/recover/fema_mold_brochure_english.pdf https://food.unl.edu/food-storage-chart-cupboardpantry-refrigerator-and-freezer https://www.fsis.usda.gov/wps/wcm/connect/fsis-content/internet/main/topics/food-safety-education/get-answers/food-safety-fact-sheets/food-labeling/food-product-dating/food-product-dating https://www.acs.org/content/dam/acsorg/education/resources/highschool/chemmatters/teacherguide/chemmatters-tg-oct2016-exp-dates.docx https://books.google.com/books?id=FW2gNgetJOcC&pg=PA124&dq=food+spoilage#v=onepage&q=spoil&f=false http://agris.fao.org/agris-search/search.do?recordID=US201400168005 https://www.sciencedirect.com/science/article/pii/S0925400500006213 https://www.sciencedirect.com/science/article/pii/S0168160598001925 https://www.researchgate.net/profile/Kent_Messer/publication/23507387_Expiration_dates_and_stigma_Why_don't_we_observe_hedonic_markets_for_perishable_products/links/0046352cd931d725a3000000.pdf https://onlinelibrary.wiley.com/doi/full/10.1111/j.1471-0307.2006.00247.x https://www.scientificamerican.com/article/experts-organic-milk-lasts-longer/ http://aem.asm.org/content/72/7/4663.short http://jfoodprotection.org/doi/pdf/10.4315/0362-028X-46.5.444?code=fopr-site https://www.tandfonline.com/doi/full/10.4081/ijas.2015.4011 https://www.sciencedirect.com/science/article/pii/S0740002014000276 https://nph.onlinelibrary.wiley.com/doi/full/10.1046/j.1469-8137.2001.00177.x https://www.ncbi.nlm.nih.gov/pmc/articles/PMC164220/ https://www.sciencedirect.com/topics/food-science/pasteurized-milk https://science.howstuffworks.com/life/cellular-microscopic/pasteurization2.htm https://onlinelibrary.wiley.com/doi/full/10.1111/j.1399-3054.1984.tb04258.x https://trnres.com/ebook/uploads/imperato/T_1231133597Imperato-2.pdf Images: https://en.wikipedia.org/wiki/File:Blade_steak.jpg https://www.istockphoto.com/photo/spoiled-steak-gm466978127-34275460 https://www.istockphoto.com/photo/cheesemaker-traditional-cheese-making-at-a-creamery-gm516957444-89242997

6 days ago

How Safe Are Pesticides, Really?

If you’ve heard anything about pesticides, it’s probably about how toxic they are. But they make growing food more cost-effective, so when some make it into your groceries, how bad can they be? Hosted by: Olivia Gordon 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, Nicholas Smith, D.A. Noe, alexander wadsworth, سلطان الخليفي, Piya Shedden, KatieMarie Magnone, Scott Satovsky Jr, Charles Southerland, Bader AlGhamdi, James Harshaw, Patrick D. Ashmore, Candy, Tim Curwick, charles george, Saul, Mark Terrio-Cameron, Viraansh Bhanushali, Kevin Bealer, Philippe von Bergen, Chris Peters, Justin Lentz ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Instagram: http://instagram.com/thescishow ---------- Sources: https://blogs.scientificamerican.com/guest-blog/natural-vs-synthetic-chemicals-is-a-gray-matter/ https://blogs.scientificamerican.com/science-sushi/httpblogsscientificamericancomscience-sushi20110718mythbusting-101-organic-farming-conventional-agriculture/ https://geneticliteracyproject.org/2016/07/15/myth-busting-are-synthetic-pesticides-used-with-some-gmos-more-dangerous-than-natural-ones/ http://www.slate.com/articles/double_x/the_kids/2014/01/organic_vs_conventional_produce_for_kids_you_don_t_need_to_fear_pesticides.html http://npic.orst.edu/ https://www.ctahr.hawaii.edu/oc/freepubs/pdf/FST-56.pdf https://www.npr.org/sections/health-shots/2011/06/18/137249264/organic-pesticides-not-an-oxymoron https://www.wired.com/2012/06/arsenic-pesticides-in-our-food/ http://journals.plos.org/plosone/article?id=10.1371/journal.pone.0011250 https://geneticliteracyproject.org/2018/01/23/usda-organic-board-proposes-approving-new-chemicals-removing-rotenone-organic-farming/ http://npic.orst.edu/capro/fruitwash.html https://www.epa.gov/safepestcontrol/food-and-pesticides https://www.epa.gov/ingredients-used-pesticide-products/glyphosate https://gmo.geneticliteracyproject.org/FAQ/is-glyphosate-roundup-dangerous/ https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5515989/ https://www.nature.com/news/widely-used-herbicide-linked-to-cancer-1.17181 https://www.nature.com/articles/ncomms14865 https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3114824/ https://aghealth.nih.gov/ https://cen.acs.org/articles/87/i7/Pinpointing-Trends-Pesticide-Use.html https://www.epa.gov/ingredients-used-pesticide-products/ddt-brief-history-and-status http://npic.orst.edu/factsheets/ddtgen.pdf https://iubmb.onlinelibrary.wiley.com/doi/pdf/10.1080/15216540701352042 http://pubs.rsc.org/-/content/articlepdf/2017/ra/c7ra01574g?page=search https://pubs.acs.org/doi/abs/10.1021/acs.jafc.5b05214?journalCode=jafcau Images: https://www.istockphoto.com/photo/hand-pouring-paint-soft-selective-focus-toning-gm506849822-84413759 https://www.istockphoto.com/photo/bathroom-shower-curtain-and-plastic-shampoo-bottles-gm112301408-29663668 https://www.istockphoto.com/photo/freshly-picked-apples-in-crate-gm184598591-17942142 https://www.istockphoto.com/photo/cockroaches-on-kitchen-counter-gm960008348-262159035 https://www.istockphoto.com/photo/feeding-the-world-one-seedling-at-a-time-gm642438552-116611519 https://www.istockphoto.com/photo/assortment-cabbages-on-wooden-background-gm470554193-34751904 https://en.wikipedia.org/wiki/File:1955._Fort_tri-motor_spraying_DDT._Western_spruce_budworm_control_project._Powder_River_control_unit,_OR._(32213742634).jpg https://en.wikipedia.org/wiki/File:Groundwater_flow.svg https://en.wikipedia.org/wiki/File:Sprayed_weeds.jpg https://commons.wikimedia.org/wiki/File:Gehling_PZL-106_AR_Kruk_OTT_2013_D7N9017_009.jpg http://www.thinkstockphotos.com/image/stock-photo-person-holding-fresh-lettuce/76765397 http://www.thinkstockphotos.com/image/stock-photo-female-hands-holding-an-aubergine/450798979 http://www.thinkstockphotos.com/image/stock-photo-mangold/486826302 http://www.thinkstockphotos.com/image/stock-photo-fresh-carrots/475428104 https://commons.wikimedia.org/wiki/File:Diabrotica_virgifera_side.jpg http://www.thinkstockphotos.com/image/stock-photo-agricultural-soy-plantation-on-sunny-day/802349002

1 week ago

Killer Gulls Rip Into Whales and Murder Seal Pups

If gulls just stole some of your chips while you were out trying to enjoy your lunch, you should feel lucky, because one species has recently developed a taste for live mammal meat! 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, Nicholas Smith, D.A. Noe, alexander wadsworth, سلطان الخليفي, Piya Shedden, KatieMarie Magnone, Scott Satovsky Jr, Charles Southerland, Bader AlGhamdi, James Harshaw, Patrick D. Ashmore, Candy, Tim Curwick, charles george, Saul, Mark Terrio-Cameron, Viraansh Bhanushali, Kevin Bealer, Philippe von Bergen, Chris Peters, Justin Lentz ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Instagram: http://instagram.com/thescishow ---------- Sources: http://www.icb.org.ar/descargas/Kelp%20gulls%20(Larus%20dominicanus)%20feeding%20on%20southern%20right.pdf https://www.tandfonline.com/doi/abs/10.2989/1814232X.2015.1071718 http://journals.plos.org/plosone/article?id=10.1371/journal.pone.0139291 https://news.nationalgeographic.com/2015/08/150817-seals-seagulls-animals-science-predators-prey/ http://www.iucnredlist.org/details/22694329/0 Image Source: https://commons.wikimedia.org/wiki/File:Arctocephalus_pusillus_2.jpg

1 week ago

Why Can't We Just Kill Off Invasive Species?

Invasive species destroying ecosystems are a huge problem, but there’s hope that we can help mitigate the damage. 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, Nicholas Smith, D.A. Noe, alexander wadsworth, سلطان الخليفي, Piya Shedden, KatieMarie Magnone, Scott Satovsky Jr, Charles Southerland, Bader AlGhamdi, James Harshaw, Patrick D. Ashmore, Candy, Tim Curwick, charles george, Saul, Mark Terrio-Cameron, Viraansh Bhanushali, Kevin Bealer, Philippe von Bergen, Chris Peters, Justin Lentz ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Instagram: http://instagram.com/thescishow ---------- Sources:

1 week ago

5 Creepy Weather Phenomena That Shouldn't Be Allowed

Weather isn’t all sunshine and rainbows—sometimes it’s rain, and sometimes that rain looks like blood. Hosted by: Stefan Chin 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, Nicholas Smith, D.A. Noe, alexander wadsworth, سلطان الخليفي, Piya Shedden, KatieMarie Magnone, Scott Satovsky Jr, Charles Southerland, Bader AlGhamdi, James Harshaw, Patrick D. Ashmore, Candy, Tim Curwick, charles george, Saul, Mark Terrio-Cameron, Viraansh Bhanushali, Kevin Bealer, Philippe von Bergen, Chris Peters, Justin Lentz ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Instagram: http://instagram.com/thescishow ---------- Sources: https://smile.amazon.com/Rain-Natural-Cultural-Cynthia-Barnett/dp/0804137110/ http://channel.nationalgeographic.com/u/kdvOstqYf66KJEttixqDiXPtQVDOJlLUp7jXeRlpoz-gWX7fywwCJLYdnKN3ALDVxHbKRgEc1XZNcsyU/ https://www.sciencealert.com/scientists-think-they-ve-found-a-partial-explanation-for-the-blood-rain-in-spain https://link.springer.com/article/10.1007%2Fs10509-005-9025-4 https://www.theguardian.com/science/2006/mar/05/spaceexploration.theobserver http://mic.microbiologyresearch.org/content/journal/micro/10.1099/mic.0.062711-0 https://www.omicsonline.org/open-access/european-species-of-subaerial-green-alga-trentepohlia-annulata-trentepohliales-ulvophyceae-caused-blood-rain-in-kerala-india-2329-9002-15-144.php?aid=40172 https://www.nature.com/articles/004161a0 https://books.google.com/books?id=wwCev0FTNlEC&pg=PA24&lpg=PA24#v=onepage&q&f=false http://www.pcf.city.hiroshima.jp/outline/index.php?l=E&id=44 http://atomicbombmuseum.org/3_radioactivity.shtml https://pdfs.semanticscholar.org/9492/9f0899772a6b96316eb0e391d23c1d1e2252.pdf [PDF] https://www.weather.gov/oun/events-19350414 https://www.history.com/topics/dust-bowl/videos/black-blizzard https://livinghistoryfarm.org/farminginthe30s/water_02.html https://pmm.nasa.gov/sites/default/files/document_files/parsivel_Tokay_c3vp_agu.pdf http://www.washingtonpost.com/wp-dyn/content/article/2007/04/27/AR2007042702015.html https://www.scientificamerican.com/article/how-do-dust-devils-form/ https://www.livescience.com/47742-volcano-tornado-iceland-eruption-holuhraun.html https://www.youtube.com/watch?v=tzbIdE51jcg http://www.slate.com/blogs/bad_astronomy/2014/02/07/volcano_twisters_ash_devils_spawned_from_sinabung.html https://www.weather.gov/ilm/GeorgetownHeatBurst http://www.crh.noaa.gov/oun/?n=heatburst_info https://www.livescience.com/30506-wichita-heat-burst-110610.html https://weather.com/science/weather-explainers/news/heat-bursts-thunderstorms-explained ---------- Images: https://commons.wikimedia.org/wiki/File:%E0%B4%95%E0%B5%8B%E0%B4%9F%E0%B5%8D%E0%B4%9F%E0%B4%AF%E0%B4%824.jpg https://commons.wikimedia.org/wiki/File:WaterSample.jpg https://commons.wikimedia.org/wiki/File:Hiromuseum.jpg https://commons.wikimedia.org/wiki/File:Hiroshima_dome.JPG https://en.wikipedia.org/wiki/File:AtomicEffects-p7a.jpg https://en.wikipedia.org/wiki/File:AtomicEffects-p7b.jpg https://commons.wikimedia.org/wiki/File:Nagasaki_1945_-_Before_and_after_(adjusted).jpg https://www.youtube.com/watch?v=yJbgOcPRjtk https://commons.wikimedia.org/wiki/File:Sprite_from_ISS_(cropped).jpg https://commons.wikimedia.org/wiki/File:ISS-46_January_2016_United_States_blizzard_seen_from_ISS_(3).jpg https://commons.wikimedia.org/wiki/File:Nelson%27s_Column_during_the_Great_Smog_of_1952.jpg https://commons.wikimedia.org/wiki/File:Wea01422.jpg https://freesound.org/people/jongrubbs/sounds/178182/ https://commons.wikimedia.org/wiki/File:Dust-storm-Texas-1935.png https://commons.wikimedia.org/wiki/File:Farmer_walking_in_dust_storm_Cimarron_County_Oklahoma2.jpg https://freesound.org/people/skymary/sounds/412017/

1 week ago

Is it Good to Drink Beer After Working Out?

The first 50 people get $50 off their first two weeks of Blue Apron, here!: https://cook.ba/2LC1OM3 Sponsored by Blue Apron Beer has water, electrolytes, and simple carbs, just like your typical sports drink, but is it good for you to drink alcohol right after working out? Hosted by: Stefan Chin 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, Nicholas Smith, D.A. Noe, alexander wadsworth, سلطان الخليفي, Piya Shedden, KatieMarie Magnone, Scott Satovsky Jr, Charles Southerland, Bader AlGhamdi, James Harshaw, Patrick D. Ashmore, Candy, Tim Curwick, charles george, Saul, Mark Terrio-Cameron, Viraansh Bhanushali, Kevin Bealer, Philippe von Bergen, Chris Peters, Justin Lentz ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Instagram: http://instagram.com/thescishow ---------- Sources: https://www.ncbi.nlm.nih.gov/pubmed/23690556 https://www.ncbi.nlm.nih.gov/pubmed/23690556 https://www.ncbi.nlm.nih.gov/pubmed/23690556 https://www.sportsdietitians.com.au/wp-content/uploads/2015/04/Sports-Drinks.pdf http://journals.plos.org/plosone/article?id=10.1371/journal.pone.0088384 https://www.ncbi.nlm.nih.gov/pubmed/27677502 https://www.ncbi.nlm.nih.gov/pubmed/27800480 https://www.ncbi.nlm.nih.gov/pubmed/24748461 http://journals.plos.org/plosone/article?id=10.1371/journal.pone.0089431 ----- Images: https://www.istockphoto.com/photo/types-of-craft-beer-gm810700734-131159459 https://www.istockphoto.com/photo/sports-drink-gm885515472-246031873 https://www.istockphoto.com/photo/beer-and-water-in-a-bar-gm914516436-251702694 https://www.istockphoto.com/photo/craft-beer-tasting-flight-gm854848872-140563391 https://www.istockphoto.com/photo/dumbbell-in-fitness-room-at-the-morning-gm696457842-128886429

1 week ago

What Growing Mini Brains Has Taught Us, And What's Next

Scientists have developed a way to grow miniature versions of human organs; some of the weirdest organoids are the mini brains. Hosted by: Olivia Gordon 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, Nicholas Smith, D.A. Noe, alexander wadsworth, سلطان الخليفي, Piya Shedden, KatieMarie Magnone, Scott Satovsky Jr, Charles Southerland, Bader AlGhamdi, James Harshaw, Patrick D. Ashmore, Candy, Tim Curwick, charles george, Saul, Mark Terrio-Cameron, Viraansh Bhanushali, Kevin Bealer, Philippe von Bergen, Chris Peters, Justin Lentz ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Instagram: http://instagram.com/thescishow ---------- Sources: https://www.nature.com/news/the-boom-in-mini-stomachs-brains-breasts-kidneys-and-more-1.18064 http://science.sciencemag.org/content/345/6194/1247125 http://dev.biologists.org/content/144/6/935 http://dev.biologists.org/content/142/18/3113 https://hsci.harvard.edu/organoids http://www.sciencemag.org/news/2017/08/scientist-building-miniature-guts-livers-and-lungs-could-save-your-life-one-day https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5563385/ https://www.quantamagazine.org/mini-brains-go-modular-20170809/ https://www.npr.org/sections/health-shots/2018/04/25/605331749/tiny-lab-grown-brains-raise-big-ethical-questions https://www.theatlantic.com/science/archive/2018/04/what-happens-as-we-get-better-at-artificially-growing-brains/558881/ https://www.nature.com/articles/nmeth.4575 http://science.sciencemag.org/content/341/6149/946.full?rss=1 2013 https://www.nature.com/articles/nature12517 2013 original paper https://www.cell.com/cell/abstract/S0092-8674(16)30467-6 2016 zika https://linkinghub.elsevier.com/retrieve/pii/S0092-8674(15)00759-X foxg1 http://emboj.embopress.org/content/36/10/1316 embo 2017 https://www.nature.com/articles/d41586-018-04813-x ethics https://www.nature.com/articles/nbt.4127 gage paper (transplant) http://www.sandiegouniontribune.com/business/biotech/sd-me-brain-organoids-gage-20180425-story.html https://www.stemcell.com/technical-resources/area-of-interest/organoid-research.html https://www.stemcell.com/technical-resources/area-of-interest/organoid-research/neural-organoids/overview.html https://www.youtube.com/watch?v=EjiWRINEatQ&feature=youtu.be https://www2.mrc-lmb.cam.ac.uk/groups/lancaster/ https://www2.mrc-lmb.cam.ac.uk/group-leaders/h-to-m/madeline-lancaster/ https://www.cell.com/cell-stem-cell/fulltext/S1934-5909(16)30453-2 https://www.cell.com/cell-stem-cell/fulltext/S1934-5909(16)30461-1 Image Sources: https://commons.wikimedia.org/wiki/File:Intestinal_organoid.PNG https://commons.wikimedia.org/wiki/File:Blausen_0896_Ventricles_Brain.png https://www.istockphoto.com/photo/brain-model-gm463463537-32704566 https://commons.wikimedia.org/wiki/File:BiggeggSH-SY5Y.jpg https://commons.wikimedia.org/wiki/File:Cerebral_organoid_flowchart.png https://commons.wikimedia.org/wiki/File:Zika-chain-colored.png https://www.istockphoto.com/photo/green-lentils-gm689997322-127076295 https://commons.wikimedia.org/wiki/File:Microglia_and_neurons.jpg https://www.istockphoto.com/photo/plastic-building-blocks-isolated-on-white-background-gm697488784-129181111 https://www.istockphoto.com/photo/eexperimental-white-mouse-on-the-researchers-hand-gm639064242-114975951

1 week ago

Three Creative Ways to Eradicate Diseases

Smallpox is the first and only human disease we've totally wiped out. However, thanks to breakthroughs made while eradicating smallpox and a number of other creative solutions , we've come really close to making a few more diseases a thing of the past. This episode contains images of disease. 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, Nicholas Smith, D.A. Noe, alexander wadsworth, سلطان الخليفي, Piya Shedden, KatieMarie Magnone, Scott Satovsky Jr, Charles Southerland, Bader AlGhamdi, James Harshaw, Patrick D. Ashmore, Candy, Tim Curwick, charles george, Saul, Mark Terrio-Cameron, Viraansh Bhanushali, Kevin Bealer, Philippe von Bergen, Chris Peters, Justin Lentz ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Instagram: http://instagram.com/thescishow ---------- Sources: https://www.sciencedirect.com/science/article/pii/S1201971213001240 http://www.nejm.org/doi/full/10.1056/NEJMp078089 https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5582630/ https://www.cartercenter.org/health/guinea_worm/ https://www.cdc.gov/vaccines/pubs/pinkbook/downloads/dip.pdf https://www.historyofvaccines.org/timeline?timeline_categories%5B%5D=50 http://www.who.int/immunization/monitoring_surveillance/data/incidence_series.xls http://www.who.int/immunization/sage/meetings/2017/april/1_Final_report_Clarke_april3.pdf https://www.cdc.gov/vaccines/vpd/dtap-tdap-td/public/index.html https://books.google.com/books hl=en&lr=&id=usLEBAAAQBAJ&oi=fnd&pg=PA225&dq=related:YiVuMqJbDjGhfM:scholar.google.com/&ots=_pbhr6TO89&sig=dhWXDxsRniVtWOiNKpisl5QNjFc#v=onepage&q&f=false https://www.ncbi.nlm.nih.gov/pubmedhealth/PMHT0024459/ https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2487030/pdf/bullwho00397-0005.pdf https://www.ncbi.nlm.nih.gov/pubmed/3297557 http://www.who.int/lymphatic_filariasis/epidemiology/en/ https://www.cdc.gov/dpdx/lymphaticfilariasis/index.html https://www.sciencedirect.com/science/article/pii/S1201971213001240 http://www.who.int/neglected_diseases/resources/9789240696471/en/

2 weeks ago

6 Everyday Ways Science Protects You from Your Poop

It's easy to take waste disposal for granted, so here are six ways modern technology has made your poop safer and less... gross. 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, Nicholas Smith, D.A. Noe, alexander wadsworth, سلطان الخليفي, Piya Shedden, KatieMarie Magnone, Scott Satovsky Jr, Charles Southerland, Bader AlGhamdi, James Harshaw, Patrick D. Ashmore, Candy, Tim Curwick, charles george, Saul, Mark Terrio-Cameron, Viraansh Bhanushali, Kevin Bealer, Philippe von Bergen, Chris Peters, Justin Lentz ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Instagram: http://instagram.com/thescishow ---------- Sources: http://gawker.com/5985723/can-you-eat-your-own-poop http://www.who.int/water_sanitation_health/resources/vector302to323.pdf https://home.howstuffworks.com/toilet.htm http://www.bbc.com/news/business-41188465 http://www.worldwidewords.org/qa/qa-cra1.htm http://nymag.com/strategist/article/best-poop-spray-drops-toilet-freshener.html https://fabulousfarmgirl.com/diy/poo-poo-spray/ https://www.poopourri.com/pages/how-it-works https://lifehacker.com/banish-brutal-bathroom-smells-with-your-own-homemade-p-1745308178 https://science.howstuffworks.com/innovation/everyday-innovations/porta-potties2.htm http://onsiteco.com/what-is-the-blue-stuff-in-porta-potties/ https://www.polyportables.com/portable-toilet-chemicals/ http://www.safetfresh.com/resources/deodorizer-usage-tips.php http://www.essentialchemicalindustry.org/materials-and-applications/surfactants.html https://science.howstuffworks.com/transport/flight/modern/question314.htm https://gizmodo.com/5953877/what-happens-when-you-flush-a-toilet-on-an-airplane https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4692156/ http://www.cbc.ca/news/health/hazards-of-public-toilet-use-debunked-1.3172754 https://www.womenshealthmag.com/health/a19985012/public-bathroom-facts/ https://www3.epa.gov/npdes/pubs/bastre.pdf http://www.nyc.gov/html/dep/html/wastewater/index.shtml http://www.nyc.gov/html/dep/html/wastewater/wwsystem-process.shtml http://ssu.ac.ir/cms/fileadmin/user_upload/Daneshkadaha/dbehdasht/markaz_tahghighat_olom_va_fanavarihaye_zist_mohiti/e_book/Wastewater_Bacteria.pdf https://www.newscientist.com/article/mg23130840-100-bacteria-made-to-turn-sewage-into-clean-water-and-electricity/ http://illumin.usc.edu/134/microbial-fuel-cells-generating-power-from-waste/ https://theanalystfinancial.com/127859/microbial-fuel-cell-market-competitive-intelligence-and-tracking-report-2017-2025/ http://www.un.org/waterforlifedecade/sanitation.shtml Additional Sources: http://www.travelandleisure.com/airlines-airports/what-happens-when-airplane-toilet-flushes https://sciencing.com/calculate-force-falling-object-6454559.html Image Sources: http://www.thinkstockphotos.com/image/stock-photo-white-toilet-bowl-in-a-bathroom/453099407/popup?sq=toilet/f=CPIHVX/s=DynamicRank https://www.istockphoto.com/vector/cleaning-clogging-in-the-pipe-gm962187978-262778418 https://en.wikipedia.org/wiki/File:Cummings_S-bend.jpg https://commons.wikimedia.org/wiki/File:Thomas_Crapper.jpg https://www.istockphoto.com/vector/contamination-in-the-water-pipe-gm904094406-249337641 https://commons.wikimedia.org/wiki/File:Four_types_of_pedestal_WC.svg https://www.istockphoto.com/photo/studio-shot-of-white-spray-plastic-bottle-isolated-on-white-background-gm497470523-41809896 https://www.istockphoto.com/photo/toilet-seat-gm925861132-254064774 https://commons.wikimedia.org/wiki/File:Clostridium_difficile_01.jpg https://commons.wikimedia.org/wiki/File:Norwalk.jpg https://www.istockphoto.com/photo/toilet-entrance-gm697587660-129208407 https://www.istockphoto.com/photo/toilet-on-board-gm160612631-22957260 https://commons.wikimedia.org/wiki/File:Vickers_Wellington_-_Royal_Air_Force_Bomber_Command,_1939-1941._CH478.jpg https://www.istockphoto.com/photo/microscopic-blue-bacteria-background-gm628978952-111796005 https://www.istockphoto.com/photo/sourdough-bread-gm943159894-257724497

2 weeks ago

New Genetic Clues to the Mystery of Your Giant Brain

Big-brained scientists have found the mechanism that may have allowed their brains (and all humans') to get so big. Hosted by: Stefan Chin 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: Jerry Perez, Lazarus G, Sam Lutfi, Kevin Knupp, Nicholas Smith, D.A. Noe, alexander wadsworth, سلطان الخليفي, Piya Shedden, KatieMarie Magnone, Scott Satovsky Jr, Charles Southerland, Bader AlGhamdi, James Harshaw, Patrick D. Ashmore, Candy, Tim Curwick, charles george, Saul, Mark Terrio-Cameron, Viraansh Bhanushali. Kevin Bealer, Philippe von Bergen, Chris Peters, Justin Lentz ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Instagram: http://instagram.com/thescishow ---------- Sources: https://www.cell.com/cell/fulltext/S0092-8674(18)30399-4 https://www.cell.com/cell/fulltext/S0092-8674(18)30383-0 https://www.eurekalert.org/emb_releases/2018-05/uoc--gfo052418.php https://www.eurekalert.org/emb_releases/2018-05/cp-mnt052418.php https://www.eurekalert.org/emb_releases/2018-05/vfi-hdh052418.php http://www.uva.nl/en/profile/j/a/f.m.j.jacobs/f.m.j.jacobs.html

2 weeks ago

Do Placebos Work For Animals? Yes, Weirdly Enough

A placebo can only work if someone (or something) believes it will. So how can animals be fooled by the placebo effect? Hosted by: Olivia Gordon 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: Jerry Perez, Lazarus G, Sam Lutfi, Kevin Knupp, Nicholas Smith, D.A. Noe, alexander wadsworth, سلطان الخليفي, Piya Shedden, KatieMarie Magnone, Scott Satovsky Jr, Charles Southerland, Bader AlGhamdi, James Harshaw, Patrick D. Ashmore, Candy, Tim Curwick, charles george, Saul, Mark Terrio-Cameron, Viraansh Bhanushali. Kevin Bealer, Philippe von Bergen, Chris Peters, Justin Lentz ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Instagram: http://instagram.com/thescishow ---------- Sources: http://www.bbc.com/earth/story/20161017-why-animals-experience-the-placebo-effect-much-like-we-do https://www.ncbi.nlm.nih.gov/pubmed/19912522 https://sciencebasedmedicine.org/is-there-a-placebo-effect-for-animals/ http://skeptvet.com/Blog/2018/03/presentation-of-placebos-in-animals/ https://www.the-scientist.com/?articles.view/articleNo/33468/title/Rats-Get-Placebo-Effect/ https://journals.lww.com/pain/Abstract/2012/10000/Placebo_induced_analgesia_in_an_operant_pain_model.8.aspx https://www.ncbi.nlm.nih.gov/pubmed/7063864 http://veterinaryrecord.bmj.com/content/early/2017/03/07/vr.104168 Sound: https://freesound.org/people/InspectorJ/sounds/415510/

2 weeks ago

Which is Worse For You: Sugar or Fat?

For decades, we’ve heard how terrible fat is for us, but more recently, sugar has become the new villain. What does the science actually say about these two macronutrients and how they affect our health? Hosted by: Olivia Gordon 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: Jerry Perez, Lazarus G, Sam Lutfi, Kevin Knupp, Nicholas Smith, D.A. Noe, alexander wadsworth, سلطان الخليفي, Piya Shedden, KatieMarie Magnone, Scott Satovsky Jr, Charles Southerland, Bader AlGhamdi, James Harshaw, Patrick D. Ashmore, Candy, Tim Curwick, charles george, Saul, Mark Terrio-Cameron, Viraansh Bhanushali. Kevin Bealer, Philippe von Bergen, Chris Peters, Justin Lentz ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Instagram: http://instagram.com/thescishow ---------- Sources: http://www.bcmj.org/article/ancel-keys-and-lipid-hypothesis-early-breakthroughs-current-management-dyslipidemia https://www.sevencountriesstudy.com/ https://academic.oup.com/eurheartj/article/38/42/3119/4600167 https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4159698/ https://www.bmj.com/content/353/bmj.i1246 https://www.ncbi.nlm.nih.gov/m/pubmed/16467234/ https://academic.oup.com/jhmas/article/63/2/139/772615 https://www.sciencedirect.com/science/article/pii/S0140673679928277 https://pdfs.semanticscholar.org/8fbc/b88960f0f177cd07ab813df08d11f987e8db.pdf https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5099084/ https://academic.oup.com/ajcn/article/91/3/502/4597078 http://circ.ahajournals.org/content/28/3/381.short https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4532752/ https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5793267/ https://jamanetwork.com/journals/jamainternalmedicine/fullarticle/1819573 https://jamanetwork.com/journals/jamainternalmedicine/fullarticle/2530902 http://www.nejm.org/doi/pdf/10.1056/nejmoa022207 https://jamanetwork.com/journals/jama/fullarticle/205916 http://annals.org/aim/fullarticle/717451/low-carbohydrate-ketogenic-diet-versus-low-fat-diet-treat-obesity http://annals.org/aim/article-abstract/1900694/effects-low-carbohydrate-low-fat-diets-randomized-trial https://jamanetwork.com/journals/jama/fullarticle/200094 https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5492032/ http://europepmc.org/articles/pmc2949959 https://jamanetwork.com/journals/jama/article-abstract/2673150 https://www.karger.com/Article/FullText/446865 https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4856550/ Image Sources: https://commons.wikimedia.org/wiki/File:221_Fatty_Acids_Shapes-01.jpg https://commons.wikimedia.org/wiki/File:Ancel_Keys_-_Paul_Dudley_White_-_Flaminio_Fidanza_-_press_conference_in_Gioia_Tauro_-1960.JPG

3 weeks ago

Volcanic Lightning: Because Exploding Mountains Aren't Bad Enough

In the midst of a volcanic eruption, lightning can streak across the ash and smoke above it, but what do we think causes volcanic lightning? Hosted by: Stefan Chin 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: Jerry Perez, Lazarus G, Sam Lutfi, Kevin Knupp, Nicholas Smith, D.A. Noe, alexander wadsworth, سلطان الخليفي, Piya Shedden, KatieMarie Magnone, Scott Satovsky Jr, Charles Southerland, Bader AlGhamdi, James Harshaw, Patrick D. Ashmore, Candy, Tim Curwick, charles george, Saul, Mark Terrio-Cameron, Viraansh Bhanushali. Kevin Bealer, Philippe von Bergen, Chris Peters, Justin Lentz ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Instagram: http://instagram.com/thescishow ---------- Sources: http://www.u.arizona.edu/~afutrell/404b/web%20rdgs/pliny%20on%20vesuvius.htm https://books.google.com/books?id=awH1TPYkKqMC&lpg=PP1&pg=PT208#v=onepage&q&f=false http://www.hup.harvard.edu/catalog.php?isbn=9780674045866 https://smile.amazon.com/Historians-Ancient-Rome-Anthology-Sourcebooks/dp/0415527163 http://www.bbc.com/earth/story/20150323-what-is-a-dirty-thunderstorm http://volcano.oregonstate.edu/book/export/html/369 https://www.nature.com/articles/s41598-018-19608-3 http://digre.pmf.unizg.hr/2590/ https://link.springer.com/article/10.1007%2Fs10712-006-9007-2 https://pubs.geoscienceworld.org/gsa/geology/article/42/1/79/131368/experimental-generation-of-volcanic-lightning https://agupubs.onlinelibrary.wiley.com/doi/abs/10.1002/2015GL067445 https://www.livescience.com/4400-lightning-strikes-mouths-volcanoes.html https://www.theguardian.com/science/2004/dec/09/science.research https://link.springer.com/article/10.1007%2Fs00445-010-0393-4 https://agupubs.onlinelibrary.wiley.com/doi/full/10.1029/2011JB008651 https://archive.org/details/volcanoeswhatth01juddgoog https://agupubs.onlinelibrary.wiley.com/doi/full/10.1002/2016GL068076 https://www.sciencedirect.com/science/article/pii/0377027386900260 https://s3.amazonaws.com/academia.edu.documents/46706940/Total_water_contents_in_volcanic_eruptio20160622-25938-qojcp1.pdf?AWSAccessKeyId=AKIAIWOWYYGZ2Y53UL3A&Expires=1522195252&Signature=rfLqcuD7D1Yl8ahHu8j0MZoRgrc%3D&response-content-disposition=inline%3B%20filename%3DTotal_water_contents_in_volcanic_eruptio.pdf [PDF] https://pubs.usgs.gov/gip/msh/ash.html https://www.livescience.com/54443-how-volcanic-lightning-works.html https://www.seeker.com/volcanic-lightning-how-does-it-work-1767366798.html Images: https://en.wikipedia.org/wiki/File:Dankaerts-Historis-9322.tif https://commons.wikimedia.org/wiki/File:Galunggung.jpg https://commons.wikimedia.org/wiki/File:Eyjafjallaj%C3%B6kull_by_Terje_S%C3%B8rgjerd.jpg https://commons.wikimedia.org/wiki/File:Volcano_at_Mount_St._Helens.jpg https://en.wikipedia.org/wiki/File:Rinjani_1994.jpg https://en.wikipedia.org/wiki/File:MSH82_st_helens_plume_from_harrys_ridge_05-19-82.jpg

3 weeks ago

9 of the Weirdest Sperm Adaptations

You probably have a vague idea of what sperm does, but not all sperm are created equal, and some have even developed unique adaptations to get where they're going. Hosted by: Stefan Chin 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: Jerry Perez, Lazarus G, Sam Lutfi, Kevin Knupp, Nicholas Smith, D.A. Noe, alexander wadsworth, سلطان الخليفي, Piya Shedden, KatieMarie Magnone, Scott Satovsky Jr, Charles Southerland, Bader AlGhamdi, James Harshaw, Patrick D. Ashmore, Candy, Tim Curwick, charles george, Saul, Mark Terrio-Cameron, Viraansh Bhanushali. Kevin Bealer, Philippe von Bergen, Chris Peters, Justin Lentz ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Instagram: http://instagram.com/thescishow ---------- Sources: http:science.sciencemag.orgcontent29855961230.full http:rspb.royalsocietypublishing.orgcontent282181920152122 https:onlinelibrary.wiley.comdoiepdf10.1111j.1558-5646.1999.tb04564.x http:www.pnas.orgcontent109124341.full https:www.vox.comscience-and-health201511209768864largest-animals-have-the-tiniest-sperm https:www.nature.comarticlesnature18005 https:www.ncbi.nlm.nih.govbooksNBK26914 https:www.sciencedirect.comsciencearticlepiiB9780123725684000033 https:avianres.biomedcentral.comarticles10.1186s40657-015-0032-z Dr. Scott Pitnick, personal communication http:jcs.biologists.orgcontent1152367.long https:www.sciencedirect.comsciencearticlepiiS0962892497011136 http:journals.plos.orgplosbiologyarticle?id=10.1371journal.pbio.1001915 https:www.sciencedirect.comsciencearticlepiiS0012160600901180 http:www.pnas.orgcontent10841490 http:phenomena.nationalgeographic.com20140723these-mice-excel-at-assembling-the-ideal-sperm-swim-teams http:dx.doi.org10.1101006890 https:academic.oup.comhumupdarticle12123607817 https:www.nature.comnews2010100318fullnews.2010.135.html https:www.ncbi.nlm.nih.govpmcarticlesPMC2825782 https:agdev.anr.udel.edumaarechoney-bee-biologythe-colony-and-its-organization http:www1.biologie.uni-hamburg.deb-onlineibc99koningbees.html http:science.sciencemag.orgcontent32759721506.full http:science.sciencemag.orgcontentscisuppl20100317327.5972.1506.DC1den_Boer-SOM.pdf https:onlinelibrary.wiley.comdoifull10.1002mrd.22277 https:www.ncbi.nlm.nih.govpmcarticlesPMC2759003 https:www.sciencedaily.comreleases200902090224133328.htm

3 weeks ago

How Some People Echolocate Like Bats

Get a free 2-month trial of Skillshare at https://skl.sh/scishow6 Animals like bats and dolphins navigate the world using echolocation, but there’s also another animal capable of such a feat: humans. Hosted by: Olivia Gordon 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: Jerry Perez, Lazarus G, Sam Lutfi, Kevin Knupp, Nicholas Smith, D.A. Noe, alexander wadsworth, سلطان الخليفي, Piya Shedden, KatieMarie Magnone, Scott Satovsky Jr, Charles Southerland, Bader AlGhamdi, James Harshaw, Patrick D. Ashmore, Candy, Tim Curwick, charles george, Saul, Mark Terrio-Cameron, Viraansh Bhanushali. Kevin Bealer, Philippe von Bergen, Chris Peters, Justin Lentz ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Instagram: http://instagram.com/thescishow ---------- Sources:

3 weeks ago

The New Gel That Regrows Brains

A new healing gel helped mice regrow brain tissue after a stroke, and scientists suspect someone out there is producing a bunch of ozone-destroying CFCs in defiance of an international agreement! 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: Jerry Perez, Lazarus G, Sam Lutfi, Kevin Knupp, Nicholas Smith, D.A. Noe, alexander wadsworth, سلطان الخليفي, Piya Shedden, KatieMarie Magnone, Scott Satovsky Jr, Charles Southerland, Bader AlGhamdi, James Harshaw, Patrick D. Ashmore, Candy, Tim Curwick, charles george, Saul, Mark Terrio-Cameron, Viraansh Bhanushali. Kevin Bealer, Philippe von Bergen, Chris Peters, Justin Lentz ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Instagram: http://instagram.com/thescishow ---------- Sources: Brain Gel: https://www.nature.com/articles/s41563-018-0083-8 https://mentalhealthdaily.com/2014/03/04/myths-of-things-that-kill-brain-cells-alcohol-cell-phones-marijuana-et-al/ https://www.health.harvard.edu/mind-and-mood/can-you-grow-new-brain-cells https://www.scientificamerican.com/article/does-the-adult-brain-really-grow-new-neurons/ http://www.stroke.org/understand-stroke/what-stroke https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5624240/ https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3913786/ https://www.ncbi.nlm.nih.gov/pubmed/25058353 https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3679365/ https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4072965/ https://www.researchgate.net/post/Why_do_neurons_not_have_a_regeneration_property https://www.theatlantic.com/science/archive/2018/03/do-adult-brains-make-new-neurons-a-contentious-new-study-says-no/555026/ https://www.eurekalert.org/pub_releases/2003-12/uot-nuo121903.php https://www.eurekalert.org/pub_releases/2018-05/uoc--mrb051718.php https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3093230/ http://www.who.int/cardiovascular_diseases/en/cvd_atlas_15_burden_stroke.pdf?ua=1 CFC-11: https://www.nature.com/articles/s41586-018-0106-2 https://www.washingtonpost.com/news/energy-environment/wp/2018/05/16/someone-somewhere-is-making-a-banned-chemical-that-destroys-the-ozone-layer-scientists-suspect/ https://www.livescience.com/62603-new-cfcs-enter-ozone-layer.html https://pubs.acs.org/doi/abs/10.1021/je990337k?journalCode=jceaax http://www.bbc.co.uk/schools/gcsebitesize/science/triple_ocr_gateway/chemistry_out_there/depletion_of_ozone/revision/2/ https://www.epa.gov/ghgemissions/understanding-global-warming-potentials http://legalresponseinitiative.org/wp-content/uploads/2013/04/BP14E-Briefing-Paper-Sanctions-and-penalties-in-environmental-treaties-19-July-2010.pdf[PDF] http://pages.ucsd.edu/~dgvictor/publications/Victor_Article_1996_Early%20Operation%20and%20Effectiveness.pdf[PDF] Images: https://www.eurekalert.org/multimedia/pub/170890.php https://commons.wikimedia.org/wiki/File:Ozone_2001sept17_lrg.jpg

3 weeks ago

Why Are Self-Driving Cars Taking So Long?

The first 200 viewers to sign up at https://www.brilliant.org/scishow will get 20% off their annual premium subscription and be supporting SciShow! Self-driving cars have been “coming soon” for years. What’s so hard about making a machine that drives itself!? Hosted by: Stefan Chin 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: Jerry Perez, Lazarus G, Sam Lutfi, Kevin Knupp, Nicholas Smith, D.A. Noe, alexander wadsworth, سلطان الخليفي, Piya Shedden, KatieMarie Magnone, Scott Satovsky Jr, Charles Southerland, Bader AlGhamdi, James Harshaw, Patrick D. Ashmore, Candy, Tim Curwick, charles george, Saul, Mark Terrio-Cameron, Viraansh Bhanushali. Kevin Bealer, Philippe von Bergen, Chris Peters, Justin Lentz ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Instagram: http://instagram.com/thescishow ---------- Sources: Personal interview with David Held Personal interview with Dan Galves https://liu.diva-portal.org/smash/get/diva2:1066724/FULLTEXT01.pdf https://www.annualreviews.org/doi/pdf/10.1146/annurev-control-060117-105157 https://www.youtube.com/watch?v=_OCjqIgxwHw https://www.ted.com/talks/chris_urmson_how_a_driverless_car_sees_the_road http://www.mdpi.com/2075-1702/5/1/6 Images: https://commons.wikimedia.org/wiki/File:ConferenceBike_(fcm).jpg https://commons.wikimedia.org/wiki/File:Road_Map_using_LIDAR.jpg https://commons.wikimedia.org/wiki/File:Otto_trucks_in_San_Francisco.jpg https://commons.wikimedia.org/wiki/File:Tesla_Autopilot_Engaged_in_Model_X.jpg

3 weeks ago