SciShow

SciShow
  • 5 minutes
  • 1228 episodes
  • science
  • news
  • learn
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  • 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!

The Super Strong Painkiller Hiding in Your Spit

Join the Club! Go to http://www.dollarshaveclub.com/scishave to get The Daily Essentials starter set for just $5. Scientists are uncovering the mysteries of a non-addictive painkiller... that lives in your mouth 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, Kelly Landrum Jones, 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.nature.com/news/2006/061113/full/news061113-4.html https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1693858/ https://www.britannica.com/story/what-is-the-difference-between-a-peptide-and-a-protein https://www.britannica.com/science/enkephalin https://www.britannica.com/science/analgesic#ref797326 https://www.ncbi.nlm.nih.gov/pubmed/20814077 http://www.pnas.org/content/100/14/8549#sec-2 https://www.researchgate.net/publication/242553284_Endogenous_Opioids_Their_Physiological_Role_and_Receptors https://www.medicinenet.com/script/main/art.asp?articlekey=55001 https://www.encyclopedia.com/medicine/medical-journals/endorphin-and-enkephalin https://www.everydayhealth.com/pain-management/how-pain-works.aspx

20 hours ago

Weird Places: The Endless Lightning at Lake Maracaibo

During peak thunderstorm season, Lake Maracaibo has an average of 28 lightning strikes per minute hit its surface. But why? 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, Kelly Landrum Jones, 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/20150810-the-most-electric-place-on-earth http://www.slate.com/articles/life/world_of_wonders/2011/02/an_everlasting_lightning_storm.html https://www.theguardian.com/world/2010/mar/05/venezuela-lightning-el-nino https://www.sciencedirect.com/science/article/pii/S0169809516000041?via%3Dihub https://www.sciencedirect.com/science/article/pii/S1364682612000272?via%3Dihub https://journals.ametsoc.org/doi/10.1175/BAMS-D-14-00193.1 http://www.guinnessworldrecords.com/world-records/highest-concentration-of-lightning- https://www.nationalgeographic.com/environment/natural-disasters/lightning/#/cloud-ground-lightning01_20837_600x450.jpg https://www.researchgate.net/publication/267695216_Phenomenology_and_microphysics_of_lightning_flash_of_the_Catatumbo_River_Venezuela http://www.saber.ula.ve/bitstream/123456789/27668/1/articulo12.pdf https://www.weather.gov/jetstream/lightning https://www.nasa.gov/centers/goddard/news/topstory/2003/0312pollution.html https://scied.ucar.edu/ozone-layer Image Credits: https://www.flickr.com/photos/ferjflores/24335489591/in/photolist-8oo7gq-KDTeAV-29ZLiX-GpUezE-EFeVw9-M25M7E-C6xtmW-Eqq8HR-54r4K4-E9Sroz-EFeJBy-CwWkJ2-65o3zg-UGbZj3-dRd1b6-D5rKdK-dRixjN-dQZFH6-GRgNsv-dQCL1i-Ax9WEN-65sjMQ-65sk7b-9EYYFd-GpU9xA-GH2Xmf-APLyqz-65o3M4-FVTZrK-rTkuS6 https://commons.wikimedia.org/wiki/File:Lake_Maracaibo_map.png https://commons.wikimedia.org/wiki/File:LopedeVega.jpg https://commons.wikimedia.org/wiki/File:1590_or_later_Marcus_Gheeraerts,_Sir_Francis_Drake_Buckland_Abbey,_Devon.jpg https://commons.wikimedia.org/wiki/File:SDO_Does_a_Barrel_Roll_(Not_the_Sun)_(7048372973).jpg https://commons.wikimedia.org/wiki/File:Methane-CRC-MW-3D-balls.png https://commons.wikimedia.org/wiki/File:Maracaibo_Basin_map.jpg https://commons.wikimedia.org/wiki/File:Ozone-CRC-MW-3D-balls.png https://commons.wikimedia.org/wiki/File:Endeavour_silhouette_STS-130.jpg https://commons.wikimedia.org/wiki/File:BrightSunshine.png

1 day ago

The Biggest Sloth That Ever Lived, and 6 Other Gigantic Animals

Sometimes it seems like the past favored large animals, but it turns out that each one on this list has a different reason for its size. 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, Kelly Landrum Jones, 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.prehistoric-wildlife.com/species/m/meganeura.html http://eweb.furman.edu/~wworthen/bio440/evolweb/carboniferous/mega.htm https://www.nature.com/articles/20099 https://news.nationalgeographic.com/news/2011/08/110808-ancient-insects-bugs-giants-oxygen-animals-science/ http://forces.si.edu/atmosphere/02_02_06.html http://www.ucmp.berkeley.edu/carboniferous/carboniferous.php http://journals.plos.org/plosone/article?id=10.1371/journal.pone.0022610 http://www.sciencemag.org/news/2005/04/gasping-air-permian http://www.eartharchives.org/articles/the-biggest-insect-ever-was-a-huge-dragonfly/ http://www.prehistoric-wildlife.com/species/m/meganeuropsis.html https://harvardmagazine.com/2007/11/dragonfly-html https://ourplnt.com/top-10-largest-insects-earth/meganeuropsis-permiana-reconstruction/ https://www.nationalgeographic.com/science/prehistoric-world/carboniferous/ http://www.prehistoric-wildlife.com/species/d/deinosuchus.html https://www.smithsonianmag.com/science-nature/what-scared-dinosaurs-the-terror-croc-102768325/ https://www.nationalgeographic.com/animals/reptiles/a/american-alligator/?source=A-to-Z https://www.nature.com/articles/18343 https://www.thoughtco.com/overview-of-deinosuchus-1093481 http://museum.wa.gov.au/explore/dinosaur-discovery/deinosuchus https://www.wired.com/2009/07/a-true-terror-croc/ http://onlinelibrary.wiley.com/doi/10.1111/jbi.12754/full https://www.fossilera.com/pages/megalodon-size https://www.vmnh.net/content/File/Research_and_Collections/Jeffersoniana_Number_16.pdf https://www.thoughtco.com/facts-about-megalodon-1093331 http://journals.plos.org/plosone/article?id=10.1371/journal.pone.0185185 https://www.livescience.com/55412-whale-sharks.html https://www.nationalgeographic.com/animals/fish/g/great-white-shark/ https://www.ncbi.nlm.nih.gov/pubmed/26321775/ http://www.fossilguy.com/gallery/vert/fish-shark/remnant.htm http://www.prehistoric-wildlife.com/species/t/titanoboa.html https://www.ncbi.nlm.nih.gov/pubmed/19194448 https://www.newscientist.com/article/dn19771-why-mammals-grew-big-and-then-stopped/ https://www.livescience.com/56762-giant-ground-sloth.html https://biology.unm.edu/jhbrown/Documents/Publications/2000s/The%20Evolution%20of%20Maximum%20Body%20Size%20of%20Terrestrial%20mammals.pdf http://www.prehistoric-wildlife.com/species/m/megatherium.html https://www.britannica.com/animal/Megatherium https://www.nationalgeographic.com/animals/mammals/group/three-toed-sloths/ http://phenomena.nationalgeographic.com/2015/04/29/you-just-missed-the-last-ground-sloths/ http://www.prehistoric-wildlife.com/articles/terror-birds-of-the-phorusrhacidae.html http://www.bbc.com/earth/story/20150727-the-reign-of-the-terror-birds http://journals.plos.org/plosone/article?id=10.1371/journal.pone.0011856 http://www.prehistoric-wildlife.com/species/p/phorusrhacos.html http://www.prehistoric-wildlife.com/species/t/titanis.html Images: https://commons.wikimedia.org/wiki/File:Anim1754_-_Flickr_-_NOAA_Photo_Library.jpg http://www.thinkstockphotos.com/image/stock-illustration-dragonfly/697928942/popup?sq=dragonfly%20silhouette/f=CPIHVX/s=DynamicRank https://commons.wikimedia.org/wiki/File:Sympetrum_flaveolum_-_side_(aka).jpg https://commons.wikimedia.org/wiki/File:Our_Native_Ferns_-_Carboniferous_Pteridophyta.jpg https://commons.wikimedia.org/wiki/File:Insect_anatomy_diagram.svg https://bit.ly/2HSGGAj https://bit.ly/2qR9D7P https://bit.ly/2HfNFGm https://bit.ly/2qR9wJr https://bit.ly/2K44QbL https://bit.ly/2vERmjM https://bit.ly/2F6vUDu https://bit.ly/2JddmUG https://bit.ly/2K5XHHN https://bit.ly/2vw3T96 https://bit.ly/2HhQxm9 https://bit.ly/2K2RPiG https://bit.ly/2F6OkUC https://bit.ly/2HhQdDX https://bit.ly/2HhQ7w5 https://bit.ly/2F7nLie https://bit.ly/2qPkobg https://bit.ly/2qVD7l1 https://bit.ly/2HSqXRZ https://bit.ly/2vEQY4O https://bit.ly/2JdB5UE https://bit.ly/2HFkdsE https://bit.ly/2HPrKTs https://bit.ly/2HhInu4 https://bit.ly/2HQ5MzP

2 days ago

Why Do You Stick Out Your Tongue When You Concentrate?

Have you ever done something that required a ton of concentration, like threading a needle, and noticed that sometimes your tongue pokes out involuntarily? It turns out this reflex could be a leftover from the evolution of human language! 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, Kelly Landrum Jones, 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.devcogneuro.com/Publications/motor_%26_cog_paper.pdf https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3324315/ https://www.ncbi.nlm.nih.gov/pubmed/4029519/ https://pdfs.semanticscholar.org/7e36/52b77387ed4c911d9d78b220f79e8156a28b.pdf https://www.researchgate.net/publication/9004569_From_Mouth_to_Hand_Gesture_Speech_and_the_Evolution_of_Right-Handedness

3 days ago

New Insights Into What Fruit Fly Sex Is Like

It's the year 2018, and we now know that flies like to ejaculate. But how does this tie into our understanding of addiction? 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, Kelly Landrum Jones, 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.eurekalert.org/emb_releases/2018-04/pp-nas041318.php http://explodingants.com/index.php/news/102-new-ant-species-from-borneo-explodes-in-defence-of-its-colony https://doi.org/10.3897/zookeys.751.22661 https://www.npr.org/sections/thetwo-way/2011/09/12/140406125/scientists-discover-details-of-kamikaze-ants https://www.newscientist.com/article/mg21128295.400-kamikaze-ants-protect-the-colony/ http://blogs.discovermagazine.com/discoblog/2011/09/14/the-original-suicide-bombers-borneos-exploding-ants-commit-suicide-to-protect-colony/#.WtKs54jwZPZ https://onlinelibrary.wiley.com/doi/full/10.1111/j.1463-6395.2011.00523.x https://will.illinois.edu/environmentalalmanac/program/exploding-insects-top-bill-at-this-years-insect-fear-film-festival https://livingwithinsects.wordpress.com/2011/09/20/attack-of-the-exploding-ants/ https://pdfs.semanticscholar.org/4117/af4a95dead7c8395def2c69b2be86b0ee78f.pdf?_ga=2.87822232.1245485596.1523825069-595479277.1510329839 https://libres.uncg.edu/ir/uncg/f/O_Rueppell_Review_2012.pdf https://www.eurekalert.org/emb_releases/2018-04/cp-oss041218.php http://www.cell.com/current-biology/fulltext/S0960-9822(18)30368-3 Image Sources: https://www.eurekalert.org/multimedia/emb/167810.php https://commons.wikimedia.org/wiki/File:Drosophila-melanogaster-Nauener-Stadtwald-03-VII-2007-10.jpg https://www.eurekalert.org/emb_releases/2018-04/pp-nas041318.php

4 days ago

3 Times Scientists Did Weird Experiments With Rubber Ducks

Go to https://www.dashlane.com/scishow to download your free trial of Dashlane. Rubber ducks aren’t just good for some bath time fun, they’ve also helped scientists learn about the world! 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, Kelly Landrum Jones, 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.nature.com/articles/s41522-018-0050-9 http://www.bbc.com/future/story/20140722-odd-objects-reveal-ocean-secrets http://beachcombersalert.org/RubberDuckies.html https://www.nationalgeographic.org/encyclopedia/ocean-gyre/ https://marinedebris.noaa.gov/movement/how-debris-accumulates https://agupubs.onlinelibrary.wiley.com/doi/pdf/10.1029/2007EO010001 https://www.smithsonianmag.com/science-nature/missing-arctic-rubber-duckies-3282903/ https://www.wired.com/2008/09/nasa-deploys-ru/ https://agupubs.onlinelibrary.wiley.com/doi/abs/10.1002/2017EF000663 https://www.theguardian.com/environment/2008/dec/22/nasa-arctic-icecap-climate-change https://www.jpl.nasa.gov/edu/news/2015/9/3/teaching-the-science-of-earths-rising-seas/ https://www.eurekalert.org/pub_releases/2018-02/uoa-sw020818.php https://besjournals.onlinelibrary.wiley.com/doi/full/10.1111/2041-210X.12974 Images: https://commons.wikimedia.org/wiki/File:Rubber_Duck_in_Santiago_Chile.jpg https://commons.wikimedia.org/wiki/File:Rubber_duck_assisting_with_debugging.jpg https://commons.wikimedia.org/wiki/File:Friendly_Floatees.png https://commons.wikimedia.org/wiki/File:Curtis_Ebbesmeyer-2.JPG https://commons.wikimedia.org/wiki/File:Oceanic_gyres.png https://commons.wikimedia.org/wiki/File:Pacific-garbage-patch-map_2010_noaamdp.jpg https://commons.wikimedia.org/wiki/File:Greenland_Ilulissat-20.jpg https://commons.wikimedia.org/wiki/File:Alaskan_glacier_and_ice_field.jpeg https://commons.wikimedia.org/wiki/File:Thalasseus_bergii_by_Gregg_Yan_01.jpg

5 days ago

Why Nutrition Studies Keep Contradicting Each Other

It seems like nutrition studies contradict a lot, and it’s practically impossible to get a straight answer on whether a given food or supplement is good for you. But why? 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, Kelly Landrum Jones, 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.vox.com/2016/1/14/10760622/nutrition-science-complicated https://www.vox.com/2015/1/5/7482871/types-of-study-design http://fivethirtyeight.com/features/you-cant-trust-what-you-read-about-nutrition/ https://www.hsph.harvard.edu/nutritionsource/media-full-story/ https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2921609/#R46 https://academic.oup.com/advances/article/7/2/383/4558081 https://academic.oup.com/advances/article/7/1/44/4524046 https://www.ncbi.nlm.nih.gov/pubmed/23934737 https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3065151/ https://www.washingtonpost.com/national/health-science/drinking-red-wine-is-good-for-you--or-maybe-not/2017/12/01/49f55e7a-cbd3-11e7-aa96-54417592cf72_story.html?utm_term=.aa32598b01df https://link.springer.com/article/10.1007%2Fs00018-014-1808-8 https://academic.oup.com/alcalc/article/48/3/270/244770 https://content.iospress.com/articles/clinical-hemorheology-and-microcirculation/ch1424 https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4346286/ Image Sources: https://en.wikipedia.org/wiki/Resveratrol#/media/File:Resveratrol3d.png https://en.wikipedia.org/wiki/Beta-Carotene#/media/File:Beta-Carotene-3D-spacefill.png

6 days ago

Does Stretching Before Exercise Actually Help?

It seems like a good idea to stretch before exercising, but does it actually prevent injuries, or improve your performance? 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: Jerry Perez, Lazarus G, Kelly Landrum Jones, 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.researchgate.net/profile/David_Behm/publication/229071265_Should_Static_Stretching_Be_Used_During_a_Warm-Up_for_Strength_and_Power_Activities/links/59da08ffa6fdcc2aad1297ad/Should-Static-Stretching-Be-Used-During-a-Warm-Up-for-Strength-and-Power-Activities.pdf https://link.springer.com/article/10.1007%2Fs40279-017-0682-6 https://www.ncbi.nlm.nih.gov/pubmed/10194214 https://www.ncbi.nlm.nih.gov/pubmed/12629458 https://www.ncbi.nlm.nih.gov/pubmed/16503682 https://www.tandfonline.com/doi/full/10.1080/15438620802310784?scroll=top&needAccess=true http://citeseerx.ist.psu.edu/viewdoc/download?doi=10.1.1.525.2286&rep=rep1&type=pdf http://cel.webofknowledge.com/InboundService.do?customersID=atyponcel&smartRedirect=yes&mode=FullRecord&IsProductCode=Yes&product=CEL&Init=Yes&Func=Frame&action=retrieve&SrcApp=literatum&SrcAuth=atyponcel&SID=8AVhu8wykbZ8T8ug38c&UT=WOS%3A000079278200005 https://www.ncbi.nlm.nih.gov/pubmed/12834132 https://pdfs.semanticscholar.org/90d7/3acf883ce7bb568f1f2e7a1ed3d791a89620.pdf https://www.ncbi.nlm.nih.gov/pubmed/8947416 http://www.bmj.com/content/325/7362/468?linkType=FULL&resid=325/7362/468&journalCode=bmj https://www.ncbi.nlm.nih.gov/pubmed/12617692/ https://clinicalgate.com/flexibility-and-stretching/#f0015 http://web.mit.edu/tkd/stretch/stretching_2.html#SEC7 https://pdfs.semanticscholar.org/ef8a/e534e7bbffeed21db61165a6569ea2f3153f.pdf https://www.ncbi.nlm.nih.gov/pubmed/8775109 https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4127040/ https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2756006/ https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4157925/ https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3666507/ ---------- Images: https://archive.org/details/Exercise1949 http://www.thinkstockphotos.com/image/stock-illustration-digital-illustration-of-neuromuscular/90113488 https://www.videoblocks.com/video/young-girl-doing-flexible-routine-zmerqjv https://commons.wikimedia.org/wiki/File:Jogging_Woman_in_Grass.jpg https://commons.wikimedia.org/wiki/File:Animation_triceps_biceps.gif https://commons.wikimedia.org/wiki/File:Smooth_muscle_tissue.jpg http://www.thinkstockphotos.com/image/stock-photo-young-woman-runner-warm-up-outdoor/477628210

1 week ago

Why Do Some Shots Make Your Arm Hurt So Much?

From MMR boosters to tetanus, you'll probably get a lot of shots in your life. And one thing you might notice is that some of them don't feel like much, but some of them can make your arm reallllly sore! Why is that? 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, Kelly Landrum Jones, 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.wsj.com/articles/why-do-some-vaccines-hurt-more-than-others-1473096166 http://www.cmaj.ca/content/182/18/E843.full https://www.popsci.com/why-does-my-arm-hurt-day-after-i-get-my-flu-shot#page-2 https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1118997/ https://www.sciencedirect.com/science/article/pii/S0264410X14016673?via%3Dihub http://www.chicagotribune.com/brandpublishing/leahdurantlaw/ct-what-a-misplaced-needle-can-mean-for-you-20160914-htmlstory.html https://www.cdc.gov/vaccines/pubs/pinkbook/vac-admin.html https://www.cdc.gov/vaccines/hcp/acip-recs/general-recs/administration.html https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1570021/ https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2769648/ http://www.cochrane.org/CD010720/SYMPT_needle-size-for-vaccination-procedures-in-children-and-adolescents http://www.tandfonline.com/doi/pdf/10.4161/hv.4.1.4747 https://www.sciencedirect.com/science/article/pii/S0952791517300869?via%3Dihub http://www.patientcareonline.com/vaccines/vaccine-adjuvants-little-pain-worth-gain/page/0/1 https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4494348/ https://journals.lww.com/pidj/Fulltext/2015/02000/Pain_in_Adolescent_Girls_Receiving_Human.18.aspx https://academic.oup.com/jpids/article/4/4/396/2580461 https://www.cdc.gov/vaccinesafety/concerns/adjuvants.html

1 week ago

These 'Fossilized Brains' Might Not Be Brains At All

A new study calls the claims of fossilized brains into question, and another finds ichthyosaurs might have been bigger than our current champions, the blue whales. 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, Kelly Landrum Jones, 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://rspb.royalsocietypublishing.org/lookup/doi/10.1098/rspb.2018.0051 https://www.nature.com/articles/ncomms4560 http://palaeo.gly.bris.ac.uk/Palaeofiles/Lagerstatten/chngjang/index.html http://journals.plos.org/plosone/article?id=10.1371/journal.pone.0194742 https://www.eurekalert.org/emb_releases/2018-04/uom-ugi040518.php Images: https://commons.wikimedia.org/wiki/File:Fuxianhuia_protensa_life_restoration.jpg https://www.nature.com/articles/ncomms4560/figures/5 https://en.wikipedia.org/wiki/File:Maotianshan_shale_outcrop.JPG https://en.wikipedia.org/wiki/File:Haikouella_lanceolata_China.jpg https://en.wikipedia.org/wiki/File:Artemia_salina_4.jpg https://en.wikipedia.org/wiki/File:Ichthyosaur_and_Plesiosaur_1863.jpg https://en.wikipedia.org/wiki/File:Ichthyosaurios5.jpg https://www.eurekalert.org/multimedia/pub/167232.php https://commons.wikimedia.org/wiki/File:Anim1754_-_Flickr_-_NOAA_Photo_Library.jpg https://en.wikipedia.org/wiki/File:Stenopterygius_quadriscissus.jpg

1 week ago

The Hardest We've Ever Pushed Matter

Scientists have had to come up with some extreme ways to generate the extreme pressures needed to simulate the conditions at the cores of planets! 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, Kelly Landrum Jones, 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.britannica.com/science/high-pressure-phenomena https://serc.carleton.edu/NAGTWorkshops/mineralogy/mineral_physics/diamond_anvil.html https://www.youtube.com/watch?v=vO4kZfhpWBU https://www.youtube.com/watch?v=rZf6tZs5Fjk http://www.laserfocusworld.com/articles/2016/07/diamond-anvil-cell-achieves-record-1-terapascal-pressure.html http://www.pnas.org/content/104/22/9172 http://advances.sciencemag.org/content/2/7/e1600341.full https://www.nature.com/articles/511294a https://www.llnl.gov/news/nif-achieves-record-ramp-compression-pressures http://www.princeton.edu/geosciences/news/archive/index.xml?id=6667 https://www.nature.com/articles/nature13526 https://str.llnl.gov/June10/evans.html https://www.upi.com/Science_News/2018/02/06/Lab-experiment-yields-evidence-of-superionic-ice/5001517930145/ https://www.nature.com/articles/s41567-017-0017-4 https://pdfs.semanticscholar.org/667f/4d468b802f3c5ff07825c31ad62a15ea4439.pdf https://www.princeton.edu/~ota/disk1/1989/8909/890905.PDF https://carnegiescience.edu/news/just-what-sustains-earth%E2%80%99s-magnetic-field-anyway https://e-reports-ext.llnl.gov/pdf/344248.pdf http://iopscience.iop.org/article/10.1070/PU1994v037n11ABEH000055 https://books.google.com/books?id=Rg6dBAAAQBAJ&pg=RA1-PA158&lpg=RA1-PA158&dq=ramp+compression+wave&source=bl&ots=VI37QxS-9G&sig=Dxag79eMBvZKkW8JpCKIjkC-oDI&hl=en&sa=X&ved=0ahUKEwiiw92znrrZAhWmhOAKHdu6AYk4ChDoAQhEMAU#v=onepage&q=ramp%20compression%20wave&f=false Images: https://commons.wikimedia.org/wiki/File:Earth_poster.svg https://commons.wikimedia.org/wiki/File:Diamond_Anvil_Cell_-_Cross_Section.svg https://commons.wikimedia.org/wiki/File:Cfaser_haarrp.jpg https://commons.wikimedia.org/wiki/File:NIF_building_layout.png https://commons.wikimedia.org/wiki/File:Jupiter_interior.png https://commons.wikimedia.org/wiki/File:Preamplifier_at_the_National_Ignition_Facility.jpg https://commons.wikimedia.org/wiki/File:Neptune_storms.jpg https://commons.wikimedia.org/wiki/File:Diamond_anvil_cell.jpg

1 week ago

How Worried Should You Be About Smart Home Security?

As we hurtle through the development of the digital world, it's important to keep in mind the security implications of the technology we use. 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, Kelly Landrum Jones, 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.ophtek.com/default-passwords-biggest-weakness-iot-security/ https://www.ic3.gov/media/2015/150910.aspx https://www.nbcnews.com/tech/internet/smart-refrigerators-hacked-send-out-spam-report-n11946 https://www.proofpoint.com/us/threat-insight/post/Your-Fridge-is-Full-of-SPAM https://www.wired.com/story/mirai-botnet-minecraft-scam-brought-down-the-internet/ http://www.latimes.com/business/autos/la-fi-hy-car-hacking-20150914-story.html https://www.itnews.com.au/news/hacked-terminals-capable-of-causing-pacemaker-mass-murder-319508 https://techcrunch.com/2015/10/24/why-iot-security-is-so-critical/ https://www.gartner.com/newsroom/id/2636073 Personal interview with Troy Hunt The report available from https://pages.arm.com/iot-security-manifesto.html https://csrc.nist.gov/CSRC/media/Publications/nistir/8200/draft/documents/nistir8200-draft.pdf https://www.usenix.org/system/files/conference/usenixsecurity17/sec17-antonakakis.pdf https://busybox.net/downloads/BusyBox.html Image Sources: https://commons.wikimedia.org/wiki/File:Mirai-botnet-linked-to-massive-ddos-attacks-on-dyn-dns-gif.gif https://commons.wikimedia.org/wiki/File:GOJI_Smart_Lock_(15207853585).jpg https://www.flickr.com/photos/robertwebbe/36334648072

2 weeks ago

Do You Have a Maximum Heart Rate?

Does your heart rate have an upper limit and could you ever reach it? 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: Jerry Perez, Lazarus G, Kelly Landrum Jones, 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://courses.washington.edu/conj/heart/cardiacoutput.htm https://www.ncbi.nlm.nih.gov/books/NBK459238/ http://bjsm.bmj.com/content/39/4/190#ref-1 http://www.cvphysiology.com/Cardiac%20Function/CF002 https://www.ncbi.nlm.nih.gov/pubmed/10688280 https://www.ncbi.nlm.nih.gov/pubmed/22376273 https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3273956/ http://www.pathophys.org/physiology-of-cardiac-conduction-and-contractility/refractoryperiod/ https://link.springer.com/article/10.1007/s40279-015-0321-z https://www.ncbi.nlm.nih.gov/pubmedhealth/PMHT0025459/ http://hmphysiology.blogspot.com/2013/10/q-absolute-vs-refractory-period-of.html https://www.ncbi.nlm.nih.gov/pubmed/10993416 https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1180211/ https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4896996/ http://circ.ahajournals.org/content/circulationaha/65/1/141.full.pdf https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2494835/ https://journals.lww.com/acsm-msse/Fulltext/2011/07000/Quantity_and_Quality_of_Exercise_for_Developing.26.aspx http://www.nytimes.com/2001/04/24/health/maximum-heart-rate-theory-is-challenged.html https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3935487/ https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3922500/ https://www.jstage.jst.go.jp/article/jjphysiol1950/17/5/17_5_538/_pdf ---------- Images: http://www.thinkstockphotos.com/image/stock-photo-sporty-young-fitness-woman-running-at/938976080 http://www.thinkstockphotos.com/image/stock-illustration-anatomical-heart-isolated-muscular/625147262 https://commons.wikimedia.org/wiki/File:2026_Action_Potential_Heart_Contraction.jpg https://en.wikipedia.org/wiki/File:Cardiac-Cycle-Animated.gif http://www.thinkstockphotos.com/image/stock-illustration-heart-character-fitness/629320658

2 weeks ago

6 Accidental Discoveries You've Probably Never Heard Of

From insects to infections, and polymers to pacemakers, scientists have discovered some very cool things entirely by accident, thanks to some careful observation and curiosity. Hosted by: Stefan Chin ---------- 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, Kelly Landrum Jones, 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.npr.org/2016/02/24/467805055/whoops-twelve-tales-of-accidental-brilliance-in-science http://discovermagazine.com/galleries/2015/jan-feb/accidental-discoveries https://www.britishscienceweek.org/app/uploads/2015/10/NSEW-Accidental-Discoveries-Primary-PackFULLOPT.pdf https://www.pbs.org/newshour/health/the-real-story-behind-the-worlds-first-antibiotic Wasps https://sites.lsa.umich.edu/tibbetts-lab/wp-content/uploads/sites/40/2014/03/tibbetts_and_dale_2004.pdf https://www.npr.org/2016/03/01/468673964/golden-mole-award-winner-to-be-announced http://www.cell.com/current-biology/pdf/S0960-9822(12)00065-6.pdf https://sites.lsa.umich.edu/tibbetts-lab/wp-content/uploads/sites/40/2014/03/tibbettsir2002.pdf https://www.nature.com/scientificamerican/journal/v309/n6/full/scientificamerican1213-62.html Strep http://www.pnas.org/content/101/40/14491.short https://www.cedars-sinai.edu/Research/Research-Labs/Liu-Lab/ https://www.researchgate.net/publication/8332747_Sword_and_shield_Linked_group_B_streptococcal_-hemolysincytolysin_and_carotenoid_pigment_function_to_subvert_host_phagocyte_defense https://www.sciencedaily.com/releases/2004/09/040921084106.htm http://nizetlab.ucsd.edu/Publications/SourcebookChapter.pdf Parasitic aphrodisiac https://academic.oup.com/icb/article/54/2/159/638703 https://www.npr.org/sections/health-shots/2014/05/01/300999096/contagious-aphrodisiac-virus-makes-crickets-have-more-sex http://www.adamolab.ca/research.html http://jeb.biologists.org/content/early/2014/03/04/jeb.103408 CRISPR https://labblog.uofmhealth.org/lab-report/new-crispr-cas9-tool-edits-both-rna-and-dna-precisely https://phys.org/news/2018-03-crispr-cas9-rna.html https://elifesciences.org/articles/32724 http://www.cell.com/molecular-cell/fulltext/S1097-2765(18)30054-6 https://medicine.umich.edu/dept/biochem/yan-zhang-phd https://www.sciencedaily.com/releases/2018/03/180315122940.htm Pacemaker http://www.nytimes.com/2011/09/28/business/wilson-greatbatch-pacemaker-inventor-dies-at-92.html http://www.independent.co.uk/news/obituaries/wilson-greatbatch-inventor-of-the-implantable-cardiac-pacemaker-2363206.html https://gizmodo.com/5844558/wilson-greatbatch-the-man-who-accidentally-invented-the-pacemaker-has-died https://lemelson.mit.edu/winners/wilson-greatbatch Polymer http://science.sciencemag.org/content/344/6185/732 https://www.scientificamerican.com/article/new-class-of-polymers-discovered-by-accident/ https://www.technologyreview.com/lists/innovators-under-35/2015/pioneer/jeannette-garcia/ https://theconversation.com/recycling-the-unrecyclable-a-new-class-of-thermoset-plastics-26594 http://www.techtimes.com/articles/7108/20140517/eureka-moment-ibms-error-at-lab-leads-to-discovery-of-new-polymer-materials.htm https://www.popularmechanics.com/technology/gadgets/a12954/one-of-the-most-important-materials-in-tech-is-now-recyclable-16795168/ Images: https://en.wikipedia.org/wiki/File:Synthetic_Production_of_Penicillin_TR1468.jpg https://commons.wikimedia.org/wiki/File:Bundesarchiv_Bild_183-23912-0002,_K%C3%B6nigs_Wusterhausen,_%22M%C3%A4rkische_Apotheke%22,_Schaufenster.jpg https://commons.wikimedia.org/wiki/File:%C5%9Awierszcz_domowy.jpg https://commons.wikimedia.org/wiki/File:African.field.cricket.arp.jpg https://en.wikipedia.org/wiki/File:Streptococcus_agalactiae.tif https://commons.wikimedia.org/wiki/File:Aligned_peperonis.JPG https://commons.wikimedia.org/wiki/File:Northern_Paper_Wasp_-_Polistes_fuscatus,_Meadowood_Farm_SRMA,_Mason_Neck,_Virginia.jpg https://commons.wikimedia.org/wiki/File:Brown_Paper_Wasp-27527-4.jpg https://commons.wikimedia.org/wiki/File:COlmeia_SD.jpg https://en.wikipedia.org/wiki/File:Neisseria_meningitidis_Colonies_growth_on_New_York_City_Medium_Agar.jpg https://commons.wikimedia.org/wiki/File:Crispr.png https://en.wikipedia.org/wiki/File:St_Jude_Medical_pacemaker_with_ruler.jpg https://en.wikipedia.org/wiki/File:Duelchamber.JPG https://en.wikipedia.org/wiki/File:Herzschrittmacher_auf_Roentgenbild.jpg

2 weeks ago

Can You Keep Donating and Regrowing Your Liver?

Fun Fact: people can donate over half of their liver, and the tissue will grow back within a year! Knowing that, it seems pretty logical to assume that we could just keep donating and regrowing our livers over and over again, but is that really the case? Special Thanks: Dr. George Michalopoulos, University of Pittsburgh School of Medicine and Medical Center 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, Kelly Landrum Jones, 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: Dr. George Michalopoulos, personal communication http://science.sciencemag.org/content/276/5309/60 https://www.mayoclinic.org/diseases-conditions/toxic-hepatitis/symptoms-causes/syc-20352202 https://link.springer.com/article/10.1007/BF02889179 http://onlinelibrary.wiley.com/doi/10.1002/hep.20969/full http://onlinelibrary.wiley.com/doi/10.1002/hep.20214/full https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2701258/ http://onlinelibrary.wiley.com/doi/10.1111/j.1432-2277.2005.00158.x/full https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3976740/

2 weeks ago

Lemurs Are Into Networking, Too!

The first 77 viewers to sign up at https://brilliant.org/scishow will get 20% off their annual premium subscription AND support SciShow. New research says that even lemurs benefit from networking skills and some frogs are finally bouncing back from the Chytrid epidemic. 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, Kelly Landrum Jones, 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.cell.com/current-biology/fulltext/S0960-9822 http://science.sciencemag.org/content/359/6383/1517 https://amphibiaweb.org/chytrid/chytridiomycosis.html ---------- Images: https://commons.wikimedia.org/wiki/File:Ringtailed_lemurs.jpg http://www.thinkstockphotos.com/image/stock-photo-baby-lemur-with-family/518460792 https://en.wikipedia.org/wiki/File:Lemur_catta_003.jpg https://commons.wikimedia.org/wiki/File:Chytridiomycosis2.jpg http://www.thinkstockphotos.com/image/stock-photo-view-at-panama-city/597658018 https://commons.wikimedia.org/wiki/File:Atelopus_varius_1.jpg https://www.flickr.com/photos/briangratwicke/38249141464/ https://www.flickr.com/photos/briangratwicke/39129578104/ http://www.thinkstockphotos.com/image/stock-illustration-mathematical-vector-seamless-pattern/908884386 http://www.thinkstockphotos.com/image/stock-illustration-set-of-gear-icon/895674904 https://freesound.org/people/straget/sounds/405423/

2 weeks ago

Do Spicy Food Lovers Live Longer?

Spicy food is delicious, but how does it 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, Kelly Landrum Jones, 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://journals.plos.org/plosone/article?id=10.1371/journal.pone.0070583 https://academic.oup.com/bioscience/article/49/6/453/229475 http://www.ckbiobank.org/site/ https://www.cdc.gov/nchs/nhanes/index.htm Mortality studies: http://www.bmj.com/content/351/bmj.h3942 http://journals.plos.org/plosone/article?id=10.1371/journal.pone.0169876 Anti-cancer: http://ar.iiarjournals.org/content/36/3/837.long http://cancerres.aacrjournals.org/content/71/8/2809 https://pubs.acs.org/doi/ipdf/10.1021/jf506098s https://www.ncbi.nlm.nih.gov/pubmed/24337453 Diabetes/obesity: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2890380/ https://www.ncbi.nlm.nih.gov/pubmed/24941669 https://www.ncbi.nlm.nih.gov/pubmed/27174467 Salt/hypertension: https://www.reuters.com/article/us-health-diet-sodium-spice/can-spicy-foods-curb-salt-cravings-or-lower-blood-pressure-idUSKBN1D02Z8 http://hyper.ahajournals.org/content/early/2017/10/30/HYPERTENSIONAHA.117.09950 Bacteria: https://www.ncbi.nlm.nih.gov/pubmed/22427935 https://www.ncbi.nlm.nih.gov/pubmed/26617603 Images: https://commons.wikimedia.org/wiki/File:Capsaicin-3D-vdW.png

2 weeks ago

Why Is It So Hard to Fix Traffic?

Fixing traffic seems easy—just add more roads, right? Turns out that this is a problem studied by physicists and psychologists alike, with no easy answers. 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, Kelly Landrum Jones, 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.physics.upenn.edu/liugroup/jamming.html https://journals.aps.org/pre/abstract/10.1103/PhysRevE.48.3290 https://www.theatlantic.com/magazine/archive/2000/12/the-physics-of-gridlock/378457/ http://jliszka.github.io/2013/10/01/how-traffic-actually-works.html https://www.researchgate.net/publication/243567449_Shock_Wave_Relation_Containing_Lane_Change_Source_Term_for_Two-Lane_Traffic_Flow https://books.google.com/books?id=dHW1BQAAQBAJ&pg=PA509&lpg=PA509#v=onepage&q&f=false https://link.springer.com/chapter/10.1007/978-3-540-77074-9_41 http://homepage.ruhr-uni-bochum.de/Dietrich.Braess/Paradox-BNW.pdf https://www.forbes.com/sites/quora/2016/10/20/bad-traffic-blame-braess-paradox/ https://papers.ssrn.com/sol3/papers.cfm?abstract_id=783424 http://www.vtpi.org/gentraf.pdf https://www.theguardian.com/environment/2006/nov/01/society.travelsenvironmentalimpact https://grist.org/infrastructure/2011-04-04-seoul-korea-tears-down-an-urban-highway-life-goes-on/ http://legacy.wbur.org/2012/07/12/big-dig-effect https://www.youtube.com/watch?v=iHzzSao6ypE https://pdfs.semanticscholar.org/a59b/0aa97491aed923a38742142fc6492e51b080.pdf https://www.ncbi.nlm.nih.gov/pubmed/7375327 https://www.wsj.com/articles/one-driver-can-prevent-a-traffic-jam-1476204858 https://vtechworks.lib.vt.edu/bitstream/handle/10919/55073/811079.pdf?sequence=1 http://iopscience.iop.org/article/10.1088/1367-2630/aa95f0 https://www.quora.com/At-a-red-light-why-do-some-drivers-leave-a-huge-gap-between-themselves-and-the-car-in-front-of-them https://www.sciencedaily.com/releases/2016/09/160913125211.htm http://www.telegraph.co.uk/news/science/science-news/8011029/Aggressive-and-timid-drivers-cause-traffic-jams-scientists-discover.html https://link.springer.com/chapter/10.1007%2F978-3-642-24660-9_25 https://www.nytimes.com/2016/10/13/us/why-last-second-lane-mergers-are-good-for-traffic.html Media: https://commons.wikimedia.org/wiki/File:Miami_traffic_jam,_I-95_North_rush_hour.jpg https://commons.wikimedia.org/wiki/File:Seoul-Restoration_site_02.jpg https://commons.wikimedia.org/wiki/File:San_Francisco-Embarcadero_Freeway_demolition.jpg https://commons.wikimedia.org/wiki/File:San_Francisco_(5765603478).jpg https://commons.wikimedia.org/wiki/File:Cheonggyecheon.jpg https://commons.wikimedia.org/wiki/File:Jazda_na_suwak_ulica_Starzy%C5%84skiego_wjazd_na_Most_Gda%C5%84ski_w_Warszawie.JPG

2 weeks ago

Is There Less Oxygen in the Winter Since It's Colder?

Plants make oxygen using photosynthesis, but what happens to the air when those trees drop their leaves in winter? 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, Kelly Landrum Jones, 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 Merrithew, Patrick D. Ashmore, Candy, Tim Curwick, charles george, Saul, Mark Terrio-Cameron, Viraansh Bhanushali, Kevin Bealer, Philippe von Bergen, Chris Peters, Justin Lentz ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Instagram: http://instagram.com/thescishow ---------- Sources:

3 weeks ago

Solving the Mystery of Darwin’s Lifelong Illness

Charles Darwin had a great mind, but a not-so great body. Scientists have spent years trying to uncover the mysteries of his poor health. 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: Jerry Perez, Lazarus G, Kelly Landrum Jones, 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.britannica.com/biography/Charles-Darwin https://www.cdc.gov/parasites/chagas/gen_info/detailed.html http://www.who.int/mediacentre/factsheets/fs340/en/ https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2166138/ https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1326207/ https://malvernmuseum.co.uk/water-cure/ https://www.darwinproject.ac.uk/letter/DCP-LETT-1236.xml https://www.britannica.com/science/mitochondrion http://www.bmj.com/content/339/bmj.b4968.full https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3632469/ https://rarediseases.info.nih.gov/diseases/7048/mitochondrial-genetic-disorders https://www.umdf.org/what-is-mitochondrial-disease/ https://rarediseases.org/rare-diseases/melas-syndrome/ https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4737121/#!po=3.12500 http://www.mayo.edu/research/centers-programs/mitochondrial-disease-biobank/about http://pmj.bmj.com/content/81/954/248 https://www.ncbi.nlm.nih.gov/pubmed/15038596 http://rsnr.royalsocietypublishing.org/content/61/1/23 http://rsnr.royalsocietypublishing.org/content/62/2/205

3 weeks ago