yt:channel:ZYTClx2T1of7BRZ86-8fow ZYTClx2T1of7BRZ86-8fow SciShow https://www.youtube.com/channel/UCZYTClx2T1of7BRZ86-8fow 2011-10-20T16:11:13+00:00 yt:video:19N79Z4Htl4 19N79Z4Htl4 UCZYTClx2T1of7BRZ86-8fow SciShow https://www.youtube.com/channel/UCZYTClx2T1of7BRZ86-8fow 2024-02-02T22:00:00+00:00 2024-02-03T05:58:17+00:00 This Crystal Is ELECTRIC There's a few minerals that exhibit something called piezoelectricity and pyroelectricity, which mean that either heat or pressure can turn them electric. Here's a demo from the SciShow Rocks Box where you can see this for yourself - all you need is some tourmaline! Get a monthly hand-picked rock, mineral, gem, or fossil with the SciShow Rocks Box! https://SciShow.Rocks/ Hosted by: Savannah Geary (they/them) ---------- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow ---------- Huge thanks go to the following Patreon supporters for helping us keep SciShow free for everyone forever: Adam Brainard, Alex Hackman, Ash, Bryan Cloer, charles george, Chris Mackey, Chris Peters, Christoph Schwanke, Christopher R Boucher, Eric Jensen, Harrison Mills, Jaap Westera, Jason A, Saslow, Jeffrey Mckishen, Jeremy Mattern, Kevin Bealer, Matt Curls, Michelle Dove, Piya Shedden, Rizwan Kassim, Sam Lutfi ---------- Looking for SciShow elsewhere on the internet? SciShow Tangents Podcast: https://scishow-tangents.simplecast.com/ TikTok: https://www.tiktok.com/@scishow Twitter: http://www.twitter.com/scishow Instagram: http://instagram.com/thescishow Facebook: http://www.facebook.com/scishow #SciShow #science #education #learning #complexly ---------- Sources: https://aps.org/publications/apsnews/201403/physicshistory.cfm https://books.google.com/books?hl=en&lr=&id=QJipDQAAQBAJ&oi=fnd&pg=PP1&dq=piezoelectric&ots=FNdvjDoth8&sig=pYA1TWsVxFgHEEsjvzFYEOHy9og#v=onepage&q=piezoelectric&f=false https://dictionary.iucr.org/Piezoelectricity), https://geology.com/minerals/tourmaline.shtml https://geologyscience.com/minerals/tourmaline/?amp#Formation_of_Tourmaline https://repository.lsu.edu/cgi/viewcontent.cgi?article=1702&context=geo_pubs https://www.americanpiezo.com/blog/top-uses-of-piezoelectricity-in-everyday-applications/ https://www.aps.org/publications/apsnews/201403/physicshistory.cfm https://www.autodesk.com/products/fusion-360/blog/piezoelectricity/ https://www.researchgate.net/figure/Crystal-structure-of-tourmaline-Crystal-space-group-R3m-Cell-a-159604-A-c_fig2_255758743 https://www.researchgate.net/figure/Schematic-representation-of-tourmalines-crystal-structure-viewed-normal-A-and-parallel_fig1_281175733 https://www.researchgate.net/publication/233692913_A_2400_year_history_of_pyroelectricity_from_Ancient_Greece_to_exploration_of_the_solar_system https://www.researchgate.net/publication/327024178_A_Review_on_Low-Grade_Thermal_Energy_Harvesting_Materials_Methods_and_Devices#pf15 https://www.sciencedirect.com/science/article/abs/pii/S092583881830495X#preview-section-cited-by https://www.sciencedirect.com/science/article/pii/S092583881830495X https://www.sciencedirect.com/topics/materials-science/piezoelectric-material Images: https://www.gettyimages.com/detail/video/macro-shot-of-automatic-pick-and-place-machine-quickly-stock-footage/1371462742?adppopup=true https://www.gettyimages.com/detail/photo/natural-gemstone-green-tourmaline-on-white-royalty-free-image/1311662610?phrase=tourmaline&adppopup=true https://commons.wikimedia.org/wiki/File:Tourmaline_25.jpg https://www.gettyimages.com/detail/photo/colorful-tourmaline-gemstones-on-white-background-royalty-free-image/1169792936?phrase=tourmaline&adppopup=true https://www.gettyimages.com/detail/photo/water-melon-tourmaline-royalty-free-image/157594804?phrase=tourmaline&adppopup=true https://www.gettyimages.com/detail/photo/black-tourmaline-set-royalty-free-image/518833992?phrase=tourmaline&searchscope=image%2Cfilm&adppopup=true https://www.gettyimages.com/detail/photo/macro-mineral-chrome-dravite-tourmaline-on-a-white-royalty-free-image/1094692638?phrase=tourmaline+dark+green&searchscope=image%2Cfilm&adppopup=true https://www.gettyimages.com/detail/photo/tourmaline-bracelet-royalty-free-image/1484157611?phrase=colorful+tourmaline&searchscope=image%2Cfilm&adppopup=true https://commons.wikimedia.org/wiki/File:Teofrasto_Orto_botanico_PA.jpg https://commons.wikimedia.org/wiki/File:Carl_von_Linn%C3%A9.png https://commons.wikimedia.org/wiki/File:Curie,_Jacques_und_Pierre_mit_Eltern.jpg https://www.gettyimages.com/detail/video/gold-quartz-crystal-pocket-watch-lying-on-dark-green-stock-footage/1465506549?adppopup=true https://www.gettyimages.com/detail/photo/gas-lighter-gun-for-gas-stove-isolated-on-white-royalty-free-image/605980720?adppopup=true https://www.mdpi.com/2073-4352/13/10/1461 https://commons.wikimedia.org/wiki/File:Inside_QuartzCrystal-Tuningfork.jpg https://commons.wikimedia.org/wiki/File:SchemaPiezo.gif yt:video:PE4Vh-uPXCM PE4Vh-uPXCM UCZYTClx2T1of7BRZ86-8fow SciShow https://www.youtube.com/channel/UCZYTClx2T1of7BRZ86-8fow 2024-02-01T22:00:11+00:00 2024-02-02T06:19:39+00:00 The Zombie Planet at the Center of the Earth For years, geologists have been searching for an explanation for two strange blobs of Earth's mantle that are denser than the rest. It turns out, they may not be original parts of Earth at all. Hosted by: Hank Green ---------- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow ---------- Huge thanks go to the following Patreon supporters for helping us keep SciShow free for everyone forever: Adam Brainard, Alex Hackman, Ash, Bryan Cloer, charles george, Chris Mackey, Chris Peters, Christoph Schwanke, Christopher R Boucher, Eric Jensen, Harrison Mills, Jaap Westera, Jason A, Saslow, Jeffrey Mckishen, Jeremy Mattern, Kevin Bealer, Matt Curls, Michelle Dove, Piya Shedden, Rizwan Kassim, Sam Lutfi ---------- Looking for SciShow elsewhere on the internet? SciShow Tangents Podcast: https://scishow-tangents.simplecast.com/ TikTok: https://www.tiktok.com/@scishow Twitter: http://www.twitter.com/scishow Instagram: http://instagram.com/thescishow Facebook: http://www.facebook.com/scishow #SciShow #science #education #learning #complexly ---------- Sources: https://www.nature.com/articles/s41586-023-06589-1 https://www.sciencedirect.com/science/article/abs/pii/S0040195118301586 https://www.nature.com/articles/nature11141 https://www.science.org/doi/10.1126/sciadv.abl4920 https://www.caltech.edu/about/news/the-remains-of-an-ancient-planet-lie-deep-within-earth https://www.nature.com/articles/35089010 https://www.science.org/doi/10.1126/science.aad0525 https://phys.org/news/2023-11-body-collided-earth-moon-recognizable.html https://www.gettyimages.com/detail/video/fly-over-mountains-stock-footage/1010992826?adppopup=true https://www.gettyimages.com/detail/photo/seismograph-recording-ground-motion-and-earthquake-royalty-free-image/1471675700?phrase=seismic+wave&adppopup=true https://www.gettyimages.com/detail/photo/planet-earth-appearing-from-space-royalty-free-image/1452369344?phrase=earth&adppopup=true https://www.gettyimages.com/detail/video/full-moon-on-blue-sky-time-lapse-stock-footage/1454401896?adppopup=true https://www.gettyimages.com/detail/video/volcano-eruption-hawaii-mauna-loa-2022-stock-footage/1446156393?adppopup=true https://commons.wikimedia.org/wiki/File:Artist%27s_concept_of_collision_at_HD_172555.jpg https://science.nasa.gov/solar-system/skywatching/the-next-full-moon-is-the-cold-frost-or-winter-moon/ https://svs.gsfc.nasa.gov/10836 https://commons.wikimedia.org/wiki/File:Cartoon_of_Pacific_LLSVP.jpg https://commons.wikimedia.org/wiki/File:LLSVP.gif https://commons.wikimedia.org/wiki/File:Earth-cutaway-schematic-numbered.svg https://commons.wikimedia.org/wiki/File:Convection-snapshot_mk.png https://www.nasa.gov/universe/nasa-team-looks-to-ancient-earth-first-to-study-hazy-exoplanets/ https://commons.wikimedia.org/wiki/File:Global_Map_of_Oceanic_Plate_Age_by_Fabio_Crameri.png https://www.nature.com/articles/s41467-021-22155-7 https://images.nasa.gov/details-ARC-20221004-AAV3443-MoonOrigin-Social-NASAWeb-1080p yt:video:mY6xf_h0N2U mY6xf_h0N2U UCZYTClx2T1of7BRZ86-8fow SciShow https://www.youtube.com/channel/UCZYTClx2T1of7BRZ86-8fow 2024-01-31T22:00:23+00:00 2024-02-01T05:53:20+00:00 Why the Oldest Fish in the World Live in a Desert The longest-living group of freshwater fish has been discovered... in a desert. Thanks to humans stocking artificial lakes, and to some awesome citizen scientists, we've learned that buffalofish can easily live to a hundred years old. Hosted by: Hank Green (he/him) ---------- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow ---------- Huge thanks go to the following Patreon supporters for helping us keep SciShow free for everyone forever: Adam Brainard, Alex Hackman, Ash, Bryan Cloer, charles george, Chris Mackey, Chris Peters, Christoph Schwanke, Christopher R Boucher, Eric Jensen, Harrison Mills, Jaap Westera, Jason A, Saslow, Jeffrey Mckishen, Jeremy Mattern, Kevin Bealer, Matt Curls, Michelle Dove, Piya Shedden, Rizwan Kassim, Sam Lutfi ---------- Looking for SciShow elsewhere on the internet? SciShow Tangents Podcast: https://scishow-tangents.simplecast.com/ TikTok: https://www.tiktok.com/@scishow Twitter: http://www.twitter.com/scishow Instagram: http://instagram.com/thescishow Facebook: http://www.facebook.com/scishow #SciShow #science #education #learning #complexly ---------- Sources: https://nas.er.usgs.gov/queries/factsheet.aspx?SpeciesID=361 https://nas.er.usgs.gov/queries/factsheet.aspx?SpeciesID=363 https://nas.er.usgs.gov/queries/factsheet.aspx?SpeciesID=362 https://www.nature.com/articles/s41598-023-44328-8 https://www.nature.com/articles/s41598-021-88626-5 Image Sources: https://www.gettyimages.com/detail/video/brown-bear-catches-sockeye-salmon-after-3-attempts-at-stock-footage/1425973941 https://www.gettyimages.com/detail/video/dead-goldfish-floating-in-a-glass-bowl-stock-footage/1472327620 https://www.inaturalist.org/observations/117217777 https://commons.wikimedia.org/wiki/File:Roosevelt_Dam,_Arizona.jpg https://commons.wikimedia.org/wiki/File:Apache_Lake_01.jpg https://www.inaturalist.org/observations/12308635 https://www.inaturalist.org/observations/70758168 https://www.gettyimages.com/detail/illustration/abstract-geometric-background-on-the-marine-royalty-free-illustration/639264682 https://commons.wikimedia.org/wiki/File:Sebastes_ruberrimus_1.jpg https://en.wikipedia.org/wiki/File:Bigmouth_buffalo_young_feeding_on_zooplankton.ogv#file https://www.gettyimages.com/detail/illustration/white-fishes-on-navy-blue-background-royalty-free-illustration/1185842145 https://commons.wikimedia.org/wiki/File:100_year_old_bigmouth_buffalo.jpg https://www.inaturalist.org/observations/13980161 https://commons.wikimedia.org/wiki/File:Apache_Lake_Bridge.jpg https://commons.wikimedia.org/wiki/File:Bigmouth_buffalo_commercial_haul.jpg https://www.gettyimages.com/detail/video/apache-lake-arizona-stock-footage/1473533544 https://commons.wikimedia.org/wiki/File:Bigmouth_Buffalo.jpg https://www.nature.com/articles/s41598-023-44328-8 https://www.gettyimages.com/detail/illustration/fish-pattern-royalty-free-illustration/482193640 https://www.inaturalist.org/observations/70814331 https://commons.wikimedia.org/wiki/File:ApacheDawn_Big.jpg https://commons.wikimedia.org/wiki/File:Smallmouth_buffalo_01.jpg https://commons.wikimedia.org/wiki/File:VIEW_OF_HORSE_MESA_RESERVOIR_OR_APACHE_LAKE_-_Horse_Mesa_Dam,_Salt_River,_65_miles_East_of_Phoenix,_Phoenix,_Maricopa_County,_AZ_HAER_ARIZ,7-PHEN.V,3-27.tif https://www.inaturalist.org/observations/71080364 https://www.inaturalist.org/observations/24952342 yt:video:LXEFQH5UXHQ LXEFQH5UXHQ UCZYTClx2T1of7BRZ86-8fow SciShow https://www.youtube.com/channel/UCZYTClx2T1of7BRZ86-8fow 2024-01-30T22:00:09+00:00 2024-02-01T19:42:20+00:00 How Do We Know How Old the Earth Is? In the wake of World War 2, Clair Patterson embarked on a scientific quest to find out how old the Earth really is. His hard work paid off, but it also revealed a modern danger. Hosted by: Reid Reimers ---------- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow ---------- Huge thanks go to the following Patreon supporters for helping us keep SciShow free for everyone forever: Adam Brainard, Alex Hackman, Ash, Bryan Cloer, charles george, Chris Mackey, Chris Peters, Christoph Schwanke, Christopher R Boucher, Eric Jensen, Harrison Mills, Jaap Westera, Jason A, Saslow, Jeffrey Mckishen, Jeremy Mattern, Kevin Bealer, Matt Curls, Michelle Dove, Piya Shedden, Rizwan Kassim, Sam Lutfi ---------- Looking for SciShow elsewhere on the internet? SciShow Tangents Podcast: https://scishow-tangents.simplecast.com/ TikTok: https://www.tiktok.com/@scishow Twitter: http://www.twitter.com/scishow Instagram: http://instagram.com/thescishow Facebook: http://www.facebook.com/scishow #SciShow #science #education #learning #complexly ---------- Sources https://www.geolsoc.org.uk/Geoscientist/Archive/April-2018/Buffon-the-geologist https://www.americanscientist.org/article/kelvin-perry-and-the-age-of-the-earth https://www.mentalfloss.com/article/94569/clair-patterson-scientist-who-determined-age-earth-and-then-saved-it https://www.ucl.ac.uk/~ucfbpve/geotopes/indexch5.html https://www.sciencedirect.com/science/article/pii/0016703756900369?via%3Dihub https://www.sciencedirect.com/science/article/pii/S0013935198938610?via%3Dihub https://oralhistories.library.caltech.edu/32/1/OH_Patterson.pdf https://www.nasonline.org/publications/biographical-memoirs/memoir-pdfs/patterson-clair-c.pdf https://web.archive.org/web/20110603055318/https://www.nytimes.com/1995/12/08/us/clair-c-patterson-who-established-earth-s-age-is-dead-at-73.html https://www.ucl.ac.uk/~ucfbpve/geotopes/indexch5.html https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4961898/ https://commons.wikimedia.org/wiki/File:Metal_cube_lead.jpg https://commons.wikimedia.org/wiki/File:Museo_del_Foro_de_Caesaragusta_en_Zaragoza_39.jpg https://commons.wikimedia.org/wiki/File:Lingotesplomocarthagonova.jpg https://en.wikipedia.org/wiki/File:Buffon_1707-1788.jpg https://en.wikipedia.org/wiki/File:Sir_William_Thomson,_Baron_Kelvin_by_T._%26_R._Annan_%26_Sons.jpg https://commons.wikimedia.org/wiki/File:Bagian_Dalam_Bumi.jpg https://www.nps.gov/subjects/geology/radiometric-age-dating.htm https://commons.wikimedia.org/wiki/File:Hanford_B-Reactor_Area_1944.jpg https://en.wikipedia.org/wiki/File:TrinityDetonation1945GIF.gif https://commons.wikimedia.org/wiki/File:Fr_Decay_chain_Uranium_238.svg https://commons.wikimedia.org/wiki/File:Zircon_grain_(CL-SEM_imaging).tiff https://commons.wikimedia.org/wiki/File:Granite_36_%2849201190367%29.jpg https://en.wikipedia.org/wiki/File:Meteorito_Mar%C3%ADlia.jpg https://commons.wikimedia.org/wiki/File:Pallasite-Esquel-RoyalOntarioMuseum-Jan18-09.jpg https://commons.wikimedia.org/wiki/File:Mass_Spectrometer_at_NIH_(24549823931).jpg https://commons.wikimedia.org/wiki/File:RussieProvenanceMiask_Ref2010.34.574_Mus%C3%A9umHistoireNaturelleLille_GLAM2016_Photo.F.Lamiot_5.jpg https://commons.wikimedia.org/wiki/File:Lead_Gooseneck.png https://www.phy.anl.gov/fma/#:~:text=The%20Fragment%20Mass%20Analyzer%20(FMA,q)%20at%20the%20focal%20plane https://en.wikipedia.org/wiki/File:Decreased_Brain_Volume_from_Lead_Exposure.jpg https://en.wikipedia.org/wiki/File:Grosvenor_Museums_-_Wasserr%C3%B6hren.jpg https://commons.wikimedia.org/wiki/File:EthylCorporationSign.jpg yt:video:utfWy4v5ehs utfWy4v5ehs UCZYTClx2T1of7BRZ86-8fow SciShow https://www.youtube.com/channel/UCZYTClx2T1of7BRZ86-8fow 2024-01-29T22:19:28+00:00 2024-01-29T22:25:52+00:00 The Best Keyboard, According to Science If you want to use your preferred keyboard to become a master of coding, start your college journey with Study Hall! Take a college course that starts on YouTube and earn credit before you even apply to college. Go to https://link.gostudyhall.com/kp to learn more. People have strong opinions about which kind of keyboard is best, but science has settled the debate. Hosted by: Hank Green ---------- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow ---------- Huge thanks go to the following Patreon supporters for helping us keep SciShow free for everyone forever: Adam Brainard, Alex Hackman, Ash, Bryan Cloer, charles george, Chris Mackey, Chris Peters, Christoph Schwanke, Christopher R Boucher, Eric Jensen, Harrison Mills, Jaap Westera, Jason A, Saslow, Jeffrey Mckishen, Jeremy Mattern, Kevin Bealer, Matt Curls, Michelle Dove, Piya Shedden, Rizwan Kassim, Sam Lutfi ---------- Looking for SciShow elsewhere on the internet? SciShow Tangents Podcast: https://scishow-tangents.simplecast.com/ TikTok: https://www.tiktok.com/@scishow Twitter: http://www.twitter.com/scishow Instagram: http://instagram.com/thescishow Facebook: http://www.facebook.com/scishow #SciShow #science #education #learning #complexly ---------- Sources: Sources: ​​https://www.sciencedirect.com/science/article/pii/S000368701400043X?via%3Dihub https://ieeexplore.ieee.org/document/8372247 https://citeseerx.ist.psu.edu/document?repid=rep1&type=pdf&doi=97414bd06f2a0fe694ac69f776347214529ab537 https://www.sciencedirect.com/science/article/pii/S2211285521004882 https://epublications.marquette.edu/cgi/viewcontent.cgi?article=1001&context=mechengin_fac https://onlinelibrary.wiley.com/doi/pdf/10.1002/jor.20599 https://www.ucdenver.edu/centers/center-for-inclusive-design-and-engineering/community-engagement/colorado-assistive-technology-act-program/technology-and-transition-to-employment/alternative-keyboards https://www.researchgate.net/publication/12678010_The_Effects_of_Keyswitch_Stiffness_on_Typing_Force_Finger_Electromyography_and_Subjective_Discomfort IMAGES https://www.gettyimages.com/detail/video/computer-hands-typing-on-keyboard-browsing-online-gaming-stock-footage/1483941122 https://www.gettyimages.com/detail/video/hands-using-digital-tablet-close-up-stock-footage/1257464468?adppopup=true https://www.gettyimages.com/detail/video/social-media-time-stock-footage/1346617505?adppopup=true https://www.gettyimages.com/detail/video/typing-on-touch-screen-digital-tablet-stock-footage/832093062?adppopup=true https://www.gettyimages.com/detail/photo/electrode-arm-stimulation-and-training-pain-therapy-royalty-free-image/1393065731?phrase=electrode+arm&adppopup=true https://www.gettyimages.com/detail/photo/human-muscular-system-torso-muscles-trapezius-royalty-free-image/1474771154?phrase=trapezius+muscles&adppopup=true https://www.gettyimages.com/detail/video/carpal-tunnel-syndrome-stock-footage/1334002758?adppopup=true https://www.gettyimages.com/detail/video/typing-on-laptop-keyboard-stock-footage/869584204?adppopup=true https://commons.wikimedia.org/wiki/File:Rubber_dome_over_membrane,_exploded.svg#/media/File:Rubber_dome_over_membrane,_exploded.svg https://www.gettyimages.com/detail/video/woman-typing-on-laptop-keyboard-close-up-stock-footage/813059012?adppopup=true https://www.gettyimages.com/detail/photo/pressing-enter-button-royalty-free-image/479157044?phrase=desktop+keyboard&adppopup=true https://www.gettyimages.com/detail/video/thai-woman-in-a-sweater-and-glasses-focuses-on-typing-an-stock-footage/1489109710?adppopup=true https://www.gettyimages.com/detail/video/hand-typing-computer-desk-on-keyboard-stock-footage/1386871457?adppopup=true https://www.gettyimages.com/detail/video/computer-hands-typing-on-keyboard-hacking-data-on-stock-footage/1483936012?adppopup=true https://www.gettyimages.com/detail/photo/close-up-of-a-businesswoman-using-computer-royalty-free-image/1265176826?phrase=types+of+keyboards&adppopup=true https://www.gettyimages.com/detail/video/close-up-of-hands-typing-on-laptop-keyboard-on-blue-stock-footage/1436154651?adppopup=true https://www.gettyimages.com/detail/video/female-hands-typing-an-email-on-her-computer-keyboard-stock-footage/1413604489?adppopup=true yt:video:v1AW11TeqOs v1AW11TeqOs UCZYTClx2T1of7BRZ86-8fow SciShow https://www.youtube.com/channel/UCZYTClx2T1of7BRZ86-8fow 2024-01-26T22:00:26+00:00 2024-02-02T19:32:04+00:00 What's Really Behind The Adderall Shortage? You may have heard that there's an ongoing shortage of the medication Adderall. But there's a lot more going on here than you may expect, and the real culprit behind the shortage isn't what you might think. Thanks to Jessica McCabe from How To ADHD for partnering with us on this video. See more of her at https://www.youtube.com/@HowtoADHD Hosted by: Hank Green with Jessica McCabe Credit correction: Writer: Tori Espensen Fact Checker: Karen Turton ---------- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow ---------- Huge thanks go to the following Patreon supporters for helping us keep SciShow free for everyone forever: Adam Brainard, Alex Hackman, Ash, Bryan Cloer, charles george, Chris Mackey, Chris Peters, Christoph Schwanke, Christopher R Boucher, Eric Jensen, Harrison Mills, Jaap Westera, Jason A, Saslow, Jeffrey Mckishen, Jeremy Mattern, Kevin Bealer, Matt Curls, Michelle Dove, Piya Shedden, Rizwan Kassim, Sam Lutfi ---------- Looking for SciShow elsewhere on the internet? 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But the DSM and the ICD don't completely agree on what it is. Hosted by: Stefan Chin (he/him) Correction: 2:26 The DSM-5-TR is produced by the American Psychiatric Association, not the American Psychological Association. ---------- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow ---------- Huge thanks go to the following Patreon supporters for helping us keep SciShow free for everyone forever: Adam Brainard, Alex Hackman, Ash, Bryan Cloer, charles george, Chris Mackey, Chris Peters, Christoph Schwanke, Christopher R Boucher, Eric Jensen, Harrison Mills, Jaap Westera, Jason A, Saslow, Jeffrey Mckishen, Jeremy Mattern, Kevin Bealer, Matt Curls, Michelle Dove, Piya Shedden, Rizwan Kassim, Sam Lutfi ---------- Looking for SciShow elsewhere on the internet? 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The first 200 people will get 20% off their annual premium subscription and a 30-day free trial. One of the most famous elements in the periodic table doesn't really belong anywhere chemists would like to put it. Hosted by: Reid Reimers (he/him) ---------- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow ---------- Huge thanks go to the following Patreon supporters for helping us keep SciShow free for everyone forever: Adam Brainard, Alex Hackman, Ash, Bryan Cloer, charles george, Chris Mackey, Chris Peters, Christoph Schwanke, Christopher R Boucher, Eric Jensen, Harrison Mills, Jaap Westera, Jason A, Saslow, Jeffrey Mckishen, Jeremy Mattern, Kevin Bealer, Matt Curls, Michelle Dove, Piya Shedden, Rizwan Kassim, Sam Lutfi ---------- Looking for SciShow elsewhere on the internet? 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Go to https://ground.news/scishow to stay fully informed with access to reliable information. Subscribe through my link to get 40% off unlimited access this month only. Wouldn't it be nice if psychiatrists could stick patients with depression in an EEG and find out what antidepressant, like an SSRI, might be best for them, eliminating months of trial and error? A new study shows how that might be coming to a doctor's office near you. Hosted by: Reid Reimers (he/him) ---------- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow ---------- Huge thanks go to the following Patreon supporters for helping us keep SciShow free for everyone forever: Adam Brainard, Alex Hackman, Ash, Bryan Cloer, charles george, Chris Mackey, Chris Peters, Christoph Schwanke, Christopher R Boucher, Eric Jensen, Harrison Mills, Jaap Westera, Jason A, Saslow, Jeffrey Mckishen, Jeremy Mattern, Kevin Bealer, Matt Curls, Michelle Dove, Piya Shedden, Rizwan Kassim, Sam Lutfi ---------- Looking for SciShow elsewhere on the internet? 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Hearing the word "superacid" may evoke memories of that scene from Breaking Bad, but perhaps counterintuitively, the strongest acid on Earth wouldn't be able to destroy your bathroom. Our previous video about the strongest acids in the world: https://www.youtube.com/watch?v=cbN37yRV-ZY Hosted by: Stefan Chin ---------- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow ---------- Huge thanks go to the following Patreon supporters for helping us keep SciShow free for everyone forever: Adam Brainard, Alex Hackman, Ash, Bryan Cloer, charles george, Chris Mackey, Chris Peters, Christoph Schwanke, Christopher R Boucher, Eric Jensen, Harrison Mills, Jaap Westera, Jason A, Saslow, Jeffrey Mckishen, Jeremy Mattern, Kevin Bealer, Matt Curls, Michelle Dove, Piya Shedden, Rizwan Kassim, Sam Lutfi ---------- Looking for SciShow elsewhere on the internet? SciShow Tangents Podcast: https://scishow-tangents.simplecast.com/ TikTok: https://www.tiktok.com/@scishow Twitter: http://www.twitter.com/scishow Instagram: http://instagram.com/thescishow Facebook: http://www.facebook.com/scishow #SciShow #science #education #learning #complexly ---------- Sources: https://www.acs.org/molecule-of-the-week/archive/f/fluoroantimonic-acid.html https://chem.libretexts.org/Courses/University_of_Illinois_Springfield/UIS%3A_CHE_267_-_Organic_Chemistry_I_(Morsch)/Chapters/Chapter_02%3A_Acids_and_Bases/5.1%3A_Br%C3%B8nsted%E2%80%93Lowry_Acids_and_Bases https://2012books.lardbucket.org/books/principles-of-general-chemistry-v1.0/s31-appendix-c-dissociation-consta.html https://chem.libretexts.org/Bookshelves/Introductory_Chemistry/Introductory_Chemistry_(CK-12)/21%3A_Acids_and_Bases/21.12%3A_Strong_and_Weak_Acids_and_Acid_Ionization_Constant_(K_texta) https://chem.libretexts.org/Bookshelves/Physical_and_Theoretical_Chemistry_Textbook_Maps/Supplemental_Modules_(Physical_and_Theoretical_Chemistry)/Acids_and_Bases/Ionization_Constants/Calculating_A_Ka_Value_From_A_Measured_Ph https://chem.libretexts.org/Courses/University_of_Missouri/MU%3A__1330H_(Keller)/16%3A_AcidBase_Equilibria/16.05%3A_Strong_Acids_and_Bases https://flexbooks.ck12.org/cbook/ck-12-chemistry-flexbook-2.0/section/21.12/primary/lesson/strong-and-weak-acids-and-acid-ionization-constant-ka-chem/ https://www.chem.purdue.edu/gchelp/howtosolveit/Equilibrium/Calculating_pHandpOH.htm https://www.aqion.de/site/ph-of-common-acids https://www.thoughtco.com/is-a-negative-ph-possible-603653 https://chem.libretexts.org/Bookshelves/Physical_and_Theoretical_Chemistry_Textbook_Maps/Supplemental_Modules_(Physical_and_Theoretical_Chemistry)/Acids_and_Bases/Acids_and_Bases_in_Aqueous_Solutions/The_pH_Scale https://atlas-scientific.com/blog/can-ph-probe-detect-negative-ph/ https://sciencenotes.org/the-worlds-strongest-acid-the-superacids/ https://www.chemeurope.com/en/encyclopedia/Hammett_acidity_function.html https://www2.chemistry.msu.edu/faculty/reusch/AcidBase/acid-base.html https://www.chemeurope.com/en/encyclopedia/Fluoroantimonic_acid.html https://reedgrouplab.ucr.edu/publications/Chem%20Comm%202005%201669.pdf https://www.britannica.com/science/carborane https://reedgrouplab.ucr.edu/publications/NZIC-published.pdf https://chem.libretexts.org/Bookshelves/General_Chemistry/ChemPRIME_(Moore_et_al.)/11%3A_Reactions_in_Aqueous_Solutions/11.13%3A_Conjugate_Acid-Base_Pairs https://escholarship.org/content/qt5qv4v9pn/qt5qv4v9pn.pdf?t=o9p5h5&v=lg https://onlinelibrary.wiley.com/doi/pdf/10.1002/anie.200460005 https://www.sciencedaily.com/releases/2004/11/041122091131.htm https://www.nature.com/news/2004/041115/full/news041115-5.html Images https://www.gettyimages.com/ https://commons.wikimedia.org/wiki/File:Fluoroantimonic_acid-3D-balls.png https://commons.wikimedia.org/wiki/File:Weak_acid.png https://commons.wikimedia.org/wiki/File:Florida_carpenter_ant.jpg https://en.m.wikipedia.org/wiki/File:Carborane-acid.png https://commons.wikimedia.org/wiki/File:Sulfur-dioxide-3D-vdW.png https://commons.wikimedia.org/wiki/File:Helium-hydride-cation-3D-SF.png yt:video:FAXRsYxJb-A FAXRsYxJb-A UCZYTClx2T1of7BRZ86-8fow SciShow https://www.youtube.com/channel/UCZYTClx2T1of7BRZ86-8fow 2024-01-19T22:19:42+00:00 2024-01-20T08:25:12+00:00 Evolution Can't Explain Your Grandma There's a really interesting idea in anthropology called the grandmother hypothesis, that basically says the reason we have grandmas has to do with what makes us unique as a species. But there's a huge problem with the idea that it's taken decades of research for us to unveil. Hosted by: Savannah Geary (they/them) ---------- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow ---------- Huge thanks go to the following Patreon supporters for helping us keep SciShow free for everyone forever: Adam Brainard, Alex Hackman, Ash, Bryan Cloer, charles george, Chris Mackey, Chris Peters, Christoph Schwanke, Christopher R Boucher, Eric Jensen, Harrison Mills, Jaap Westera, Jason A, Saslow, Jeffrey Mckishen, Jeremy Mattern, Kevin Bealer, Matt Curls, Michelle Dove, Piya Shedden, Rizwan Kassim, Sam Lutfi ---------- Looking for SciShow elsewhere on the internet? SciShow Tangents Podcast: https://scishow-tangents.simplecast.com/ TikTok: https://www.tiktok.com/@scishow Twitter: http://www.twitter.com/scishow Instagram: http://instagram.com/thescishow Facebook: http://www.facebook.com/scishow #SciShow #science #education #learning #complexly ---------- Sources: https://onlinelibrary.wiley.com/doi/full/10.1002/9781118924396.wbiea2162 https://link.springer.com/article/10.1007/s40656-021-00455-x https://www.jstor.org/stable/10.1086/204646?read-now=1&seq=3 https://content.csbs.utah.edu/~hawkes/Hawkes_al89hardworkingHadzaGrams.pdf https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2745839/ https://academic.oup.com/evolut/article/65/2/476/6854745 https://onlinelibrary.wiley.com/doi/full/10.1002/9781118924396.wbiea2162 https://frontiersinzoology.biomedcentral.com/articles/10.1186/1742-9994-6-4 https://www.cell.com/cell/fulltext/S0092-8674(23)01080-2 https://www.science.org/doi/10.1126/science.add5473 https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5180145/ Image Sources: https://www.gettyimages.com/detail/video/fashion-senior-and-woman-walking-in-a-city-or-town-on-stock-footage/1466433453 https://www.gettyimages.com/detail/photo/happy-family-child-and-grandma-hug-and-bond-in-royalty-free-image/1446885494 https://www.gettyimages.com/detail/video/grandma-child-caracas-1958-stock-footage/183080100 https://www.gettyimages.com/detail/video/little-black-girl-and-grandmother-cooking-together-in-stock-footage/1512728452 https://www.gettyimages.com/detail/video/great-grandma-reading-digital-story-to-little-girl-stock-footage/1480983799 https://commons.wikimedia.org/wiki/File:Hadzabe_Women_Dancing.jpg https://www.gettyimages.com/detail/video/farmer-woman-harvesting-young-potatoes-agricultural-stock-footage/1454855834 https://commons.wikimedia.org/wiki/File:Hadza_montage.png https://www.gettyimages.com/detail/video/grandmother-and-grandson-playing-a-game-stock-footage/1396549048 https://www.gettyimages.com/detail/video/senior-man-dancing-and-cooking-in-the-kitchen-stock-footage/1182466656 https://www.gettyimages.com/detail/video/surprised-with-eyes-wide-opened-stock-footage/157598764 https://www.gettyimages.com/detail/video/multi-ethnic-school-children-standing-in-a-row-stock-footage/944271648 https://www.gettyimages.com/detail/video/4k-video-footage-of-a-senior-man-dancing-against-an-stock-footage/1388899474 https://www.gettyimages.com/detail/video/senior-woman-doing-a-video-call-with-her-family-on-stock-footage/1426263611 https://www.gettyimages.com/detail/video/commuters-walking-to-work-back-view-stock-footage/1418377464 https://www.gettyimages.com/detail/video/cave-04-stock-footage/1500847773 https://www.gettyimages.com/detail/video/aerial-view-family-orca-killer-whale-hunting-on-humpback-stock-footage/1487749239 https://www.gettyimages.com/detail/video/group-of-killer-whales-swimming-together-showing-their-stock-footage/1296085221 https://www.gettyimages.com/detail/video/orcas-killer-whales-swimming-stock-footage/629709176 https://www.gettyimages.com/detail/video/aerial-view-family-orca-killer-whale-killing-on-sperm-stock-footage/1487749327 https://www.gettyimages.com/detail/video/drops-of-blood-fall-on-white-paper-in-macro-stock-footage/1422748543 https://www.gettyimages.com/detail/video/financial-market-data-and-statistics-report-stock-footage/1264338570 https://www.gettyimages.com/detail/video/african-lion-attacking-a-giraffe-african-lions-chasing-stock-footage/1487302309 https://www.gettyimages.com/detail/photo/human-cells-royalty-free-image/455681179 https://www.gettyimages.com/detail/photo/awkward-moment-for-a-fawn-royalty-free-image/183775423 http://tinyurl.com/bdf8z55t http://tinyurl.com/4rmhun48 http://tinyurl.com/fhfzn7aa http://tinyurl.com/snvkw22t http://tinyurl.com/3mtv2rv5 http://tinyurl.com/ytc4y3h6 http://tinyurl.com/5bx7anmy http://tinyurl.com/2249ktmm http://tinyurl.com/4ratfm9t http://tinyurl.com/2p94zj2e http://tinyurl.com/mfuk7twd http://tinyurl.com/4m3dbz9z http://tinyurl.com/2sepd72f http://tinyurl.com/y3tccpv6 http://tinyurl.com/2y2c5na2 http://tinyurl.com/4nwe3u65 yt:video:Xh6axfYlNdA Xh6axfYlNdA UCZYTClx2T1of7BRZ86-8fow SciShow https://www.youtube.com/channel/UCZYTClx2T1of7BRZ86-8fow 2024-01-18T22:04:43+00:00 2024-01-23T12:46:41+00:00 Wolves Have Taken Over a Marine Ecosystem Wolves are amazing hunters, so they tend to be apex predators wherever you find them...including one region in Alaska where these land-based predators sit atop a marine food web. Hosted by: Hank Green ---------- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow ---------- Huge thanks go to the following Patreon supporters for helping us keep SciShow free for everyone forever: Adam Brainard, Alex Hackman, Ash, Bryan Cloer, charles george, Chris Mackey, Chris Peters, Christoph Schwanke, Christopher R Boucher, Eric Jensen, Harrison Mills, Jaap Westera, Jason A, Saslow, Jeffrey Mckishen, Jeremy Mattern, Kevin Bealer, Matt Curls, Michelle Dove, Piya Shedden, Rizwan Kassim, Sam Lutfi ---------- Looking for SciShow elsewhere on the internet? SciShow Tangents Podcast: https://scishow-tangents.simplecast.com/ TikTok: https://www.tiktok.com/@scishow Twitter: http://www.twitter.com/scishow Instagram: http://instagram.com/thescishow Facebook: http://www.facebook.com/scishow #SciShow #science #education #learning #complexly ---------- Sources: https://www.pnas.org/doi/10.1073/pnas.2209037120 https://www.smithsonianmag.com/science-nature/extraordinary-return-sea-otters-glacier-bay-180962999/ https://esajournals.onlinelibrary.wiley.com/doi/10.1002/ecy.1643 https://www.fws.gov/sites/default/files/documents/The%20keystone%20species%20role%20of%20the%20sea%20otter%2007302021.pdf https://www.smithsonianmag.com/smart-news/in-alaska-hungry-wolves-have-started-eating-sea-otters-180981509/ https://www.yellowstonepark.com/things-to-do/wildlife/wolf-reintroduction-changes-ecosystem/ Images: https://www.gettyimages.com https://worldview.earthdata.nasa.gov/?v=-139.00036008135632,56.65799549958311,-133.019688129458,59.598233414698925&l=Reference_Labels_15m(hidden),Reference_Features_15m(hidden),Coastlines_15m,VIIRS_NOAA20_CorrectedReflectance_TrueColor(hidden),VIIRS_SNPP_CorrectedReflectance_TrueColor,MODIS_Aqua_CorrectedReflectance_TrueColor,MODIS_Terra_CorrectedReflectance_TrueColor&lg=true&t=2023-10-26-T16%3A57%3A25Z https://www.inaturalist.org/observations/163403381 phrase=sea+otters&searchscope=image%2Cfilm&adppopup=true https://www.inaturalist.org/observations/75695306 phrase=gray+wolf+face+alaska&adppopup=true https://www.nature.com/articles/s41598-021-90608-6/figures/1 yt:video:lwGZVphV4Pw lwGZVphV4Pw UCZYTClx2T1of7BRZ86-8fow SciShow https://www.youtube.com/channel/UCZYTClx2T1of7BRZ86-8fow 2024-01-17T22:58:06+00:00 2024-01-25T07:53:53+00:00 Can a Plug-In Really Improve Your Cat's Behavior? Visit https://brilliant.org/scishow/ to get started learning STEM for free. The first 200 people will get 20% off their annual premium subscription and a 30-day free trial. Have you ever seen cat pheromones, sometimes branded as Feliway, that promise to address problem behaviors like cat scratching, fighting, and stress? These products are based on real science. But do they work? Hosted by: Savannah Geary (they/them) ---------- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow ---------- Huge thanks go to the following Patreon supporters for helping us keep SciShow free for everyone forever: Adam Brainard, Alex Hackman, Ash, Bryan Cloer, charles george, Chris Mackey, Chris Peters, Christoph Schwanke, Christopher R Boucher, Eric Jensen, Harrison Mills, Jaap Westera, Jason A, Saslow, Jeffrey Mckishen, Jeremy Mattern, Kevin Bealer, Matt Curls, Michelle Dove, Piya Shedden, Rizwan Kassim, Sam Lutfi ---------- Looking for SciShow elsewhere on the internet? 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You may be familiar with plants that have hair, like fuzzy peaches. But these plant take their 'dos to the next level, because their hairs are deadly. Hosted by: Reid Reimers ---------- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow ---------- Huge thanks go to the following Patreon supporters for helping us keep SciShow free for everyone forever: Adam Brainard, Alex Hackman, Ash, Bryan Cloer, charles george, Chris Mackey, Chris Peters, Christoph Schwanke, Christopher R Boucher, Eric Jensen, Harrison Mills, Jaap Westera, Jason A, Saslow, Jeffrey Mckishen, Jeremy Mattern, Kevin Bealer, Matt Curls, Michelle Dove, Piya Shedden, Rizwan Kassim, Sam Lutfi ---------- Looking for SciShow elsewhere on the internet? SciShow Tangents Podcast: https://scishow-tangents.simplecast.com/ TikTok: https://www.tiktok.com/@scishow Twitter: http://www.twitter.com/scishow Instagram: http://instagram.com/thescishow Facebook: http://www.facebook.com/scishow #SciShow #science #education #learning #complexly ---------- Sources: https://bmcplantbiol.biomedcentral.com/articles/10.1186/s12870-021-02840-x https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5429320/ https://www.nature.com/articles/s41467-022-28813-8 https://royalsocietypublishing.org/doi/10.1098/rspb.2016.2323 https://www.frontiersin.org/articles/10.3389/fpls.2017.02006/full https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5429320/ https://link.springer.com/content/pdf/10.1007/s10584-010-9936-0.pdf https://www.nature.com/articles/s41467-022-28813-8 | https://en.wikipedia.org/wiki/File:M%C3%BC%C3%BCrlooga_(Arabidopsis_thaliana)_lehekarv_(trihhoom)_311_0804.JPG https://en.wikipedia.org/wiki/File:Drosera_capensis_bend.JPG https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5429320/ https://commons.wikimedia.org/wiki/File:Solanum_carolinense_stem.jpg https://en.wikipedia.org/wiki/File:Androceo_y_gineceo_de_Solanum_elaeagnifolium.jpg https://www.gettyimages.com/detail/photo/unknown-person-gets-goosebumps-during-a-cold-royalty-free-image/1057685568?phrase=arm+hair&adppopup=true https://www.gettyimages.com/detail/photo/paddy-royalty-free-image/1451566335?phrase=rice&adppopup=true https://www.gettyimages.com/detail/video/young-woman-dries-her-hair-with-an-electric-hair-dryer-stock-footage/1389973364?adppopup=true https://www.gettyimages.com/detail/photo/selective-focus-shot-of-arabidopsis-thaliana-in-royalty-free-image/1442424856?phrase=Arabidopsis&adppopup=true https://www.nature.com/articles/s41467-022-28813-8/figures/6 https://www.gettyimages.com/detail/photo/horsenettle-royalty-free-image/90086372?phrase=horse+nettle&adppopup=true https://www.gettyimages.com/detail/photo/carolina-sphinx-moth-caterpillar-royalty-free-image/1829387021?phrase=Manduca+sexta&adppopup=true https://www.gettyimages.com/detail/video/tobacco-field-in-kentucky-stock-footage/1263942231?adppopup=true https://www.gettyimages.com/detail/photo/adult-leaf-miner-fly-royalty-free-image/1406256869?phrase=leafminer+fly&adppopup=true yt:video:XrqVjLcjoCI XrqVjLcjoCI UCZYTClx2T1of7BRZ86-8fow SciShow https://www.youtube.com/channel/UCZYTClx2T1of7BRZ86-8fow 2024-01-15T16:15:00+00:00 2024-01-15T16:15:16+00:00 10,000:1 A special guest joins Hank Green as he thanks everyone who has ever supported SciShow. In addition to Patreon, there's a new way to keep great science communication on YouTube. Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow Postcards: https://store.dftba.com/products/scishow-postcards-signed-by-hank ---------- Huge thanks go to the following Patreon supporters for helping us keep SciShow free for everyone forever: Adam Brainard, Alex Hackman, Ash, Bryan Cloer, charles george, Chris Mackey, Chris Peters, Christoph Schwanke, Christopher R Boucher, Eric Jensen, Harrison Mills, Jaap Westera, Jason A, Saslow, Jeffrey Mckishen, Jeremy Mattern, Kevin Bealer, Matt Curls, Michelle Dove, Piya Shedden, Rizwan Kassim, Sam Lutfi ---------- Looking for SciShow elsewhere on the internet? SciShow Tangents Podcast: https://scishow-tangents.simplecast.com/ TikTok: https://www.tiktok.com/@scishow Twitter: http://www.twitter.com/scishow Instagram: http://instagram.com/thescishow Facebook: http://www.facebook.com/scishow #SciShow #science #education #learning #complexly