SciShow Tangents

From the joyful to the hateful to the extremely weird, the Internet is all of the complexity of human thought given shape! And boy do humans think about cats and sex a lot! I hope you're all doing well!  Follow us on Twitter @SciShowTangents, where we’ll tweet out topics for upcoming episodes and you can ask the science couch questions!  While you're at it, check out the Tangents crew on Twitter: Stefan: @itsmestefanchin Ceri: @ceriley Sam: @slamschultz Hank: @hankgreen If you want to learn more about any of our main topics, check out SciShowTangnets.org!

From itchy and annoying to potentially deadly, allergies seem to make our lives worse for pretty much no discernible reason! [Truth or Fail]Hot Dog Allergy https://spoonuniversity.com/lifestyle/hot-dog-allergiehttps://pubmed.ncbi.nlm.nih.gov/1994783/Cat-Porkhttps://www.ncbi.nlm.nih.gov/pmc/articles/PMC3594363/Parent Spithttps://www.npr.org/sections/health-shots/2013/05/06/180817114/parents-saliva-on-pacifiers-could-ward-off-babys-allergies[Fact Off]Thunderstorm asthmahttps://academic.oup.com/qjmed/article/106/3/207/1565254https://onlinelibrary.wiley.com/doi/full/10.1111/cea.12709https://www.smh.com.au/lifestyle/thunderstorm-asthma-the-night-a-deadly-storm-took-melbournes-breath-away-20170308-gut8ur.htmlhttps://www.theguardian.com/australia-news/2016/nov/27/thunderstorm-asthma-oure-talking-an-event-equivalent-to-a-terrorist-attackLangerhans cellshttps://www.popsci.com/allergy-immunotherapy-toothpaste/https://allovate.com/how-allerdent-works/[Ask the Science Couch]Allergies & public horticulturehttps://www.atlasobscura.com/articles/seasonal-allergies-blame-male-treeshttps://www.sciencedirect.com/science/article/pii/S016920461100137Xhttps://www.eurekalert.org/pub_releases/2015-08/asoa-hpc082615.php[Butt One More Thing]Milk allergy fecal transplanthttps://www.nature.com/articles/s41591-018-0324-z

Are you suffering from mild boredom, a grumpy frown, and a general lack of extremely niche scientific knowledge? Well, SciShow Tangents has the cure for what ails you!Follow us on Twitter @SciShowTangents, where we’ll tweet out topics for upcoming episodes and you can ask the science couch questions! While you're at it, check out the Tangents crew on Twitter: Stefan: @itsmestefanchin Ceri: @ceriley Sam: @slamschultz Hank: @hankgreenIf you want to learn more about any of our main topics, check out these links![Truth or Fail]Cleaner Shrimphttps://www.sciencedaily.com/releases/2018/08/180823092057.htmhttps://link.springer.com/article/10.1007%2Fs00227-018-3379-yDolphin letterhttps://web.archive.org/web/20111205105601/http://explore.georgetown.edu/news/?ID=57991&PageTemplateID=295Stressed Micehttps://www.sciencedaily.com/releases/2005/07/050729063608.htmhttps://www.fda.gov/consumers/consumer-updates/hyperbaric-oxygen-therapy-dont-be-misled[Fact Off]Ant Medicshttps://onlinelibrary.wiley.com/doi/abs/10.1002/ajp.1350160407https://www.nationalgeographic.com/news/2018/02/matabele-ants-rescue-heal-injured-soldiers/https://www.latimes.com/science/sciencenow/la-sci-sn-paramedic-ants-20180216-story.htmlhttps://royalsocietypublishing.org/doi/full/10.1098/rspb.2017.2457Two-Headed Flatwormshttps://www.cell.com/biophysj/fulltext/S0006-3495(17)30427-7https://journals.plos.org/ploscompbiol/article?id=10.1371/journal.pcbi.1002481https://www.sciencedirect.com/science/article/pii/S0005273612000855[Ask the Science Couch]Scar tissue vs. normal tissuehttps://www.nature.com/articles/d41586-018-07430-whttps://www.ncbi.nlm.nih.gov/pmc/articles/PMC3840475/https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4352699/https://medicine.yale.edu/dermatology/dermsurg/Chapter%2018%20Time%20and%20Care%20Heals%20All%20Wounds_36907_284_5_v1.pdfReducing scarringhttps://medschool.cuanschutz.edu/surgery/specialties/endocrine/patient-care/adrenalectomy/scar-managementhttps://www.hopkinsmedicine.org/health/wellness-and-prevention/everyday-cuts-and-scrapes-how-to-prevent-scarringhttps://www.ncbi.nlm.nih.gov/pmc/articles/PMC3842869/Fetal wound healinghttps://hsci.harvard.edu/skin-regeneration-and-rejuvenationhttps://www.ncbi.nlm.nih.gov/pmc/articles/PMC4229131/[Butt One More Thing]Cow poop poulticehttps://books.google.com/books?id=0y6gAAAAMAAJ&pg=PA223&lpg=PA223&dq=In+dung#v=onepage&q=In%20dung&f=falsehttps://dictionary.cambridge.org/us/dictionary/english/poultice

Kicking the ball, passing another type of ball, running around the big arena and making a point! SciShow Tangents knows one thing and that one thing is SPORTS! Follow us on Twitter @SciShowTangents, where we’ll tweet out topics for upcoming episodes and you can ask the science couch questions! While you're at it, check out the Tangents crew on Twitter: Stefan: @itsmestefanchin Ceri: @ceriley Sam: @slamschultz Hank: @hankgreenIf you want to learn more about any of our main topics, check out these links![Truth or Fail]Crowd Noisehttps://www.researchgate.net/publication/45821302_Crowd_Noise_as_a_Cue_in_Referee_Decisions_Contributes_to_the_Home_Advantagehttps://www.earq.com/hearing-health/articles/going-to-a-football-gamehttps://www.hear-the-world.com/en/media/media-releases/world-cup-fans-warned-about-risk-of-hearing-damage-from-vuvuzelaRoboCuphttps://www.youtube.com/watch?time_continue=350&v=H8xc6LpiNVs&feature=emb_titlehttps://www.forbes.com/sites/annatobin/2019/06/25/what-to-expect-from-robocup-2019-the-robotics-soccer-world-cup-kicks-off-july-2/#484935147485https://www.robocup.org/leagues/3HudGlasseshttps://newatlas.com/form-ar-swim-goggles/60985/https://www.dcrainmaker.com/2018/04/everysight-cycling-display.html[Fact Off]Rats playing hide-and-seekhttps://www.theatlantic.com/science/archive/2019/09/why-scientists-taught-rats-play-hide-and-seek/597799/https://www.sciencemag.org/news/2019/09/lab-rats-play-hide-and-seek-fun-it-new-study-showshttps://blogs.scientificamerican.com/guest-blog/so-you-think-you-know-why-animals-play/https://www.nytimes.com/2019/01/07/science/animals-play-games.htmlhttps://science.sciencemag.org/lookup/doi/10.1126/science.aax4705 Empathy video gamehttps://www.eurekalert.org/pub_releases/2018-08/uow-avg080918.phphttps://news.wisc.edu/a-video-game-can-change-the-brain-may-improve-empathy-in-middle-schoolers/[Ask the Science Couch]Getting competitive about gameswww.nbcnews.com/better/pop-culture/why-board-games-bring-out-worst-us-ncna828726www.eurekalert.org/pub_releases/2014-06/uoc--yga061314.phpwww.eurekalert.org/pub_releases/2016-06/ucl-ddm053116.phpwww.eurekalert.org/pub_releases/2018-06/s-tsh062818.phpParasocial relationships & sports fanshttps://digitalscholarship.unlv.edu/cgi/viewcontent.cgi?article=1963&context=thesesdissertationshttps://surface.syr.edu/thesis/358/https://www.units.miamioh.edu/psybersite/fans/sit.shtmlhttps://digitalscholarship.unlv.edu/cgi/viewcontent.cgi?article=2368&context=thesesdissertations[Butt One More Thing]Butt controllerhttps://phys.org/news/2013-12-valve-mouth-mouse-butt-gadgets-video.html

Mammals pretty much have the market cornered on hair, and you know all the other types of animals are jealous of us. Imagine a little lizard with bangs or something? It just wouldn’t be right. Sorry!Follow us on Twitter @SciShowTangents, where we’ll tweet out topics for upcoming episodes and you can ask the science couch questions! While you're at it, check out the Tangents crew on Twitter: Stefan: @itsmestefanchin Ceri: @ceriley Sam: @slamschultz Hank: @hankgreenIf you want to learn more about any of our main topics, check out SciShowTangents.org![Truth or Fail]Camarillo white horsehttps://books.google.com/books?id=WyYDAAAAMBAJ&pg=RA1-PA216&lpg=RA1-PA216&dq=%22telescopic+sight%22+spider+silk#v=onepage&q=%22telescopic%20sight%22%20spider%20silk&f=falsehttps://vgl.ucdavis.edu/services/horse/CamarilloWhite.phphttps://www.camarillowhitehorses.org/history_camarillo_white_horses.htmlAfrican crested rathttps://royalsocietypublishing.org/doi/full/10.1098/rspb.2011.1169https://www.sciencemag.org/news/2011/08/case-poisonous-rathttps://www.livescience.com/15360-crested-rat-poison-hairs-kills.htmlMalabar giant squirrelhttps://www.nationalgeographic.com/animals/2019/04/indian-giant-squirrels-colors-camouflage/https://www.theguardian.com/environment/shortcuts/2017/jan/08/colour-changing-cats-warn-radioactive-waste-nuclear-plants-distant-descendants[Fact Off]Hyena poop hair preservationGraphene hair dyehttps://www.eurekalert.org/pub_releases/2018-03/nu-gfn031218.phphttps://www.cell.com/chem/fulltext/S2451-9294(18)30082-2?_returnURL=https%3A%2F%2Flinkinghub.elsevier.com%2Fretrieve%2Fpii%2FS2451929418300822%3Fshowall%3Dtrue[Ask the Science Couch]Grey hairwww.scientificamerican.com/article/why-does-hair-turn-gray/https://science.sciencemag.org/content/307/5710/720https://www.cell.com/cell/fulltext/S0092-8674(05)00293-X?https://www.fasebj.org/doi/full/10.1096/fj.08-125435Stresswww.theguardian.com/science/2020/jan/22/stress-speeds-up-hair-greying-process-science-confirmshttps://www.nature.com/articles/s41586-020-1935-3https://www.health.harvard.edu/blog/hair-turn-gray-2017091812226[Butt One More Thing]Trichobezoar https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3083501/

Salt: a mineral so nice that much of early human civilization was based on its procurement! Now we put big chunks of it on tasty pretzels at the mall! Follow us on Twitter @SciShowTangents, where we’ll tweet out topics for upcoming episodes and you can ask the science couch questions! While you're at it, check out the Tangents crew on Twitter: Stefan: @itsmestefanchin Ceri: @ceriley Sam: @slamschultz Hank: @hankgreenIf you want to learn more about any of our main topics, check out these links![Truth or Fail]Lake Peigneurhttps://www.damninteresting.com/lake-peigneur-the-swirling-vortex-of-doom/https://www.motherjones.com/environment/2013/08/sinkhole-swallowed-11-barges/Brinacleshttps://science.howstuffworks.com/environmental/earth/oceanography/underwater-brinicles.htmSalt Hotelhttps://theculturetrip.com/south-america/bolivia/articles/welcome-to-the-hotel-thats-made-entirely-from-salt/[Fact Off]Coconut water IVhttp://www.mdpi.com/1420-3049/14/12/5144https://podcasts.ufhealth.org/can-coconut-water-mimic-human-plasma/https://www.sciencedirect.com/science/article/pii/S0735675700900627https://www.npr.org/sections/health-shots/2011/08/15/139638930/saved-by-the-coconut-water-parsing-coconut-waters-medical-claimshttps://www.ncbi.nlm.nih.gov/books/NBK154437/Salt flats for satellite calibrationhttps://www.semanticscholar.org/paper/Characterization-of-the-Salar-de-Uyuni-for-in-orbit-Lamparelli-Ponzoni/6b6a5037f838a2342d5681b642944fd68c775551https://academic.oup.com/gji/article/172/1/31/2081107https://www.nature.com/news/2007/071130/full/news.2007.315.html[Ask the Science Couch]Salt in a wound historyhttps://books.google.com/books?id=29gV_kCmZrIC&pg=PA141https://www.abc.net.au/life/will-sea-water-help-heal-open-sores/11279036http://utc.iath.virginia.edu/abolitn/abestwa8t.htmlSaline solutionhttps://www.npr.org/sections/health-shots/2018/03/31/597666140/why-did-sterile-salt-water-become-the-iv-fluid-of-choicehttps://www.ncbi.nlm.nih.gov/pmc/articles/PMC4794509/Nociceptionhttps://nba.uth.tmc.edu/neuroscience/m/s2/chapter06.htmlhttps://www.ncbi.nlm.nih.gov/books/NBK32659/https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2903433/[Butt One More Thing]Rectal salt glandshttps://www.jstor.org/stable/1541076?seq=1https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5216465/https://www.tandfonline.com/doi/abs/10.1080/00364827.1963.10410275?journalCode=ssar20

Humans have been digging deep holes for fun and profit since time began, and some animals have been doing it for way longer than that! And all of those holes can't hold a candle to some of the natural holes the Earth's got going on. And those are nothing compared to space, which some (Sam) would argue is the biggest hole of all!Follow us on Twitter @SciShowTangents, where we’ll tweet out topics for upcoming episodes and you can ask the science couch questions! While you're at it, check out the Tangents crew on Twitter: Stefan: @itsmestefanchin Ceri: @ceriley Sam: @slamschultz Hank: @hankgreenIf you want to learn more about any of our main topics, check out these links![Truth or Fail]Termite mounds: https://www.cell.com/current-biology/fulltext/S0960-9822(18)31287-9?_returnURL=https%3A%2F%2Flinkinghub.elsevier.com%2Fretrieve%2Fpii%2FS0960982218312879%3Fshowall%3DtrueBand of holes: https://www.sciencealert.com/is-this-mile-long-strip-of-holes-an-ancient-inca-tax-systemMolecular drills: https://pubs.acs.org/doi/10.1021/acsami.9b22595#Roman skin cream: http://cenblog.org/artful-science/2013/01/14/ancient-roman-cosmetics-skin-cream-from-the-2nd-century-a-d/[Fact Off]Ant colony fallen through holePictures in this paper: https://jhr.pensoft.net/articles.php?id=9096&display_type=element&element_type=4&element_id=43&element_name=https://link.springer.com/article/10.1007/s000400050022https://arstechnica.com/science/2016/09/bizarre-ant-colony-discovered-in-an-abandoned-polish-nuclear-weapons-bunker/https://www.popsci.com/story/science/ant-colony-escape/https://jhr.pensoft.net/article/38972/Star-nosed mole nose holesThe video!https://www.youtube.com/watch?v=UMz0Q7VbT9whttps://news.vanderbilt.edu/2006/12/20/scientist-discovers-some-mammals-can-smell-objects-under-water-58788/https://www.nytimes.com/2006/12/26/science/26bubble.htmlhttps://www.newscientist.com/article/dn10834-star-nosed-mole-can-sniff-underwater-videos-reveal/https://www.sciencedaily.com/releases/2017/11/171120090051.htmhttps://www.sciencedaily.com/releases/2017/04/170424084028.htm[Ask the Science Couch]Sinkholes / blue holeshttps://www.whoi.edu/oceanus/feature/blue-holes-and-hurricanes/http://geology.wlu.edu/intro3d/sinkhole/sinkhole.htmlhttps://www.usgs.gov/special-topic/water-science-school/science/sinkholes?qt-science_center_objects=0#qt-science_center_objectshttps://www.smithsonianmag.com/smart-news/explore-worlds-deepest-blue-holes-180959977/Flooded pit caveshttps://www.theguardian.com/world/2016/sep/30/worlds-deepest-underwater-cave-found-czech-republic-hranice-abysshttps://www.nationalgeographic.com/adventure/destinations/europe/czech-republic/deepest-underwater-cave-discovered/Mariana trenchhttps://www.nationalgeographic.org/activity/mariana-trench-deepest-place-earth/Kola Superdeep Boreholehttps://www.smithsonianmag.com/smithsonian-institution/ask-smithsonian-whats-deepest-hole-ever-dug-180954349/[Butt One More Thing]Scorpion anushttps://www.sciencemag.org/news/2015/01/when-attacked-some-scorpions-discard-their-stinger-and-their-anus

This Arbor Day, give your favorite tree the gift they really want: this tree-themed episode of SciShow Tangents. Just put the headphones around its trunk or in a knothole! Follow us on Twitter @SciShowTangents, where we’ll tweet out topics for upcoming episodes and you can ask the science couch questions! While you're at it, check out the Tangents crew on Twitter: Stefan: @itsmestefanchin Ceri: @ceriley Sam: @slamschultz Hank: @hankgreenIf you want to learn more about any of our main topics, check out these links![Truth or Fail]Dragon’s Blood Treehttps://www.nationalgeographic.com/environment/2018/11/socotra-yemen-biodiversity-photography/Dynamite Treehttps://youtu.be/lNlk2V9yFhMhttps://rare.us/rare-news/science-and-nature/sandbox-tree-hura-crepitans/Coconut Fatalitieshttps://en.wikipedia.org/wiki/Death_by_coconut [Fact Off]Vampire stumphttps://www.cell.com/iscience/fulltext/S2589-0042(19)30146-4https://www.eurekalert.org/pub_releases/2019-07/cp-ats071819.phphttps://www.livescience.com/66025-kauri-tree-superorganism-root-grafting.htmlhttps://www.nytimes.com/2019/07/25/science/tree-stump-alive.htmlGhost redwoodshttps://www.mercurynews.com/2010/11/28/albino-redwoods-hold-scientific-mystery/https://sempervirens.org/discover-redwoods/ghost-redwoods-solving-the-albino-redwoods-mystery/https://ucanr.edu/sites/Redwood2016/files/250645.pdfhttps://ucanr.edu/sites/Redwood2016/files/243400.pdf[Ask the Science Couch]Tree definitionhttps://www.americanforests.org/wp-content/uploads/2014/12/AF-Tree-Measuring-Guidelines_LR.pdfWillowshttps://oregonstate.edu/trees/broadleaf_genera/willow.htmlhttps://www.thoughtco.com/worlds-smallest-tree-species-1343503Bonsai / Pygmy Forestshttps://www.pubs.ext.vt.edu/content/dam/pubs_ext_vt_edu/426/426-601/426-601_pdf.pdfOther treeshttps://extension.uga.edu/publications/detail.html?number=C944&title=Crape%20Myrtle%20Culturehttp://www.pnwplants.wsu.edu/PlantDisplay.aspx?PlantID=169[Butt One More Thing]Butt rothttps://hortnews.extension.iastate.edu/2007/7-11/root_butt_rot.htmlhttps://www.fs.usda.gov/Internet/FSE_DOCUMENTS/stelprdb5347109.pdf

Real robots have more and more in common with science fiction robots every day. Not enough that you need to worry about them rising up against humans, but you should maybe consider being nicer to your smartphone...Follow us on Twitter @SciShowTangents, where we’ll tweet out topics for upcoming episodes and you can ask the science couch questions! While you're at it, check out the Tangents crew on Twitter: Stefan: @itsmestefanchin Ceri: @ceriley Sam: @slamschultz Hank: @hankgreenIf you want to learn more about any of our main topics, check out these links![Truth or Fail]Plesiosaur Swimminghttps://www.pbs.org/newshour/science/odd-swimming-style-plesiosaurs-decoded-robothttps://royalsocietypublishing.org/doi/10.1098/rspb.2017.0951RangerBothttps://www.hakaimagazine.com/news/rangerbot-programmed-to-kill/https://www.sciencealert.com/rangerbot-great-barrier-reef-conservation-crown-of-thorns-starfishhttps://www.qut.edu.au/news?id=137688https://www.youtube.com/watch?v=7zjKTvj0lB4Firefighting Robothttps://www.theverge.com/2015/2/5/7986345/firefighting-robot-saffir-prototype-us-navyLifeguard Robothttps://mentitude.com/ocean-alpha-dolphin-1-unmanned-usrv/[Fact Off]Clothing robothttp://www.news.gatech.edu/2018/05/14/robot-teaches-itself-how-dress-peoplehttps://futurism.com/pr2-ai-robot-dressing-gownhttps://robots.ieee.org/robots/pr2/Video of the dressing: https://www.youtube.com/watch?v=RYj7gHQ_fwYParasitic turtle robotshttps://www.newscientist.com/article/2130292-parasitic-robot-controls-turtle-its-riding-by-giving-it-snacks/https://phys.org/news/2017-05-parasitic-robot-waypoint-turtle.html[Ask the Science Couch]Synthetic skinhttps://www.urmc.rochester.edu/encyclopedia/content.aspx?contenttypeid=85&contentid=P01336https://robotics.sciencemag.org/content/4/32/eaax2198https://www.tum.de/nc/en/about-tum/news/press-releases/details/35732/https://ieeexplore.ieee.org/document/8812712OmniSkinhttps://robotics.sciencemag.org/content/3/22/eaat1853https://www.theverge.com/2018/9/24/17895328/robotic-skin-flexible-soft-robotics-yale-nasa-spacehttps://www.smithsonianmag.com/innovation/these-robotic-skins-turn-everyday-objects-into-robots-180970328/[Butt One More Thing]https://www.sciencealert.com/this-robotic-rectum-lets-doctors-get-a-feel-for-prostate-examshttps://www.telegraph.co.uk/science/2016/07/04/robotic-rectum-developed-to-help-doctors-get-to-bottom-of-prosta/

It's Spring here in the Northern Hemisphere, and the rivers swell with crystal clear snowmelt from tall mountain peaks... and we're all stuck inside and can't really look at it! Dang it! So I guess close your eyes and imagine floating down a beautiful river with your favorite podcast hosts as they drone on and on about bridges and salmon and stuff.  Again, a big thanks for choosing us as the thing to spend your time with! Be well, everyone! Follow us on Twitter @SciShowTangents, where we’ll tweet out topics for upcoming episodes and you can ask the science couch questions! While you're at it, check out the Tangents crew on Twitter: Stefan: @itsmestefanchin Ceri: @ceriley Sam: @slamschultz Hank: @hankgreenIf you want to learn more about any of our main topics, check out these links![Truth or Fail]Kiteshttp://www.kitehistory.com/Miscellaneous/Homan_Walsh.htmhttps://www.uu.edu/dept/physics/scienceguys/2004Apr.cfmhttps://books.google.com/books/about/The_Kite_that_Bridged_Two_Nations.html?id=7tukmQEACAAJStone-carvinghttps://www.asce.org/project/five-stone-arch-bridges/Explosionshttp://www.bbc.com/travel/sponsored/story/20160815-the-buddha-that-calmed-the-seashttps://www.theatlantic.com/culture/archive/2011/02/why-is-ottawa-blowing-up-its-river/338889/https://www.nap.edu/read/6289/chapter/3#16[Fact Off]Salmon & sea lionshttps://wildlife.org/sea-lions-to-be-culled-to-protect-salmon/https://www.oregonlive.com/pacific-northwest-news/2018/03/battle_of_species_pits_protect.htmlhttps://www.theatlantic.com/science/archive/2019/01/killing-sea-lions-save-salmon/581740/https://www.fisheries.noaa.gov/west-coast/endangered-species-conservation/adult-upstream-passage-west-coasthttps://oceanservice.noaa.gov/facts/fish-ladder.htmlWildebeest boneshttps://www.pnas.org/content/114/29/7647https://www.frontiersin.org/articles/10.3389/fevo.2020.00031/full#h6https://www.sciencedirect.com/science/article/abs/pii/S2352249618300429?via%3Dihubhttps://news.uga.edu/animal-carcasses-source-river-nutrients/[Ask the Science Couch]Rivers on Titanhttps://www.nasa.gov/feature/the-mysterious-lakes-on-saturns-moon-titanhttps://www.nasa.gov/feature/jpl/cassini-explores-a-methane-sea-on-titanhttps://www.space.com/36904-titan-evolution-more-like-mars-than-earth.html[Butt One More Thing]The Great Stinkhttp://www.bbc.co.uk/history/trail/victorian_britain/social_conditions/victorian_urban_planning_04.shtmlhttps://www.open.edu/openlearn/science-maths-technology/engineering-technology/how-london-got-its-victorian-sewers