SciShow Tangents

SciShow Tangents

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SciShow Tangents episodes

  • Textiles

    From expressing ourselves through fashion to protecting ourselves from the elements, textiles seem to be self-evidently significant to the human experience. But it's our goal on Tangents to always poke holes in the obvious, tear through distraction, and weave humor with knowledge - and the facts this episode will blow your cotton-poly blend socks off.

    SciShow Tangents is on YouTube! Go to www.youtube.com/scishowtangents to check out this episode with the added bonus of seeing our faces! 

    Head to www.patreon.com/SciShowTangents to find out how you can help support SciShow Tangents, and see all the cool perks you’ll get in return, like bonus episodes and a monthly newsletter! A big thank you to Patreon subscribers Garth Riley and Glenn Trewitt for helping to make the show possible!

    And go to https://store.dftba.com/collections/scishow-tangents to buy some great Tangents merch!

    Follow us on Twitter @SciShowTangents, where we’ll tweet out topics for upcoming episodes and you can ask the science couch questions! 

    [Truth or Fail Express]

    Fabric shoe sole tariff

    https://www.nytimes.com/2018/11/23/business/economy/columbia-sportswear-trump-trade-war.html

    https://www.bbc.com/news/business-45875405

    https://www.smithsonianmag.com/smart-news/this-is-why-your-converse-sneakers-have-felt-on-the-bottom-6016648/

    Water-soluble fiber to prove original Finnish textile

    https://www.perniaspopupshop.com/encyclopedia/karnataka/mysore-silk

    https://www.ksicsilk.com/Home/About

    https://news.mit.edu/2023/fiber-barcodes-can-make-clothing-labels-that-last-0321

    Wool Acts: burial shroud requirements

    https://www.atlasobscura.com/articles/england-wool-burial-shrouds

    https://nursingclio.org/2020/05/21/weaving-wool-into-death-burial-in-17th-century-england/

    https://www.hungerfordvirtualmuseum.co.uk/?view=article&id=961&catid=10

    [Trivia Question]

    “Cappers Act” of 1571 in England required males to wear woolen caps

    https://www.metmuseum.org/art/collection/search/81552

    https://www.independent.co.uk/news/uk/this-britain/minor-british-institutions-the-flat-cap-1926708.html

    https://collections.vam.ac.uk/item/O124661/cap/cap-unknown/?print=1

    [Fact Off]

    Indigenous Aymara weavers and pediatric cardiologists co-created a medical textile for congenital heart defects

    https://jamanetwork.com/journals/jama/article-abstract/2674640

    https://edhub.ama-assn.org/jn-learning/video-player/16238899

    https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10329454/

    https://pubmed.ncbi.nlm.nih.gov/3379209/

    https://www.ncbi.nlm.nih.gov/books/NBK470160/

    https://www.hopkinsmedicine.org/health/treatment-tests-and-therapies/cardiac-catheterization

    https://www.ted.com/talks/franz_freudenthal_a_new_way_to_heal_hearts_without_surgery/transcript

    Creating experimental antimicrobial underwear for astronauts or space laundry machines

    https://www.livescience.com/astronauts-shared-underwear-upgrade.html

    https://www.cnet.com/science/astronauts-share-spacesuit-underwear-but-keeping-it-clean-is-a-challenge/

    https://phys.org/news/2021-05-spacesuit-underwear.html

    https://www.npr.org/sections/thetwo-way/2009/07/space_age_underwear_that_can_b.html

    https://www.iflscience.com/space-laundry-how-will-astronauts-keep-their-underwear-clean-on-the-moon-70058

    https://www.smithsonianmag.com/smart-news/nasa-teams-tide-do-laundry-space-180978067/

    https://apnews.com/article/laundry-wash-clothes-space-station-nasa-5a7f2795150f7dce81581cfb82cdd1f7

    [Ask the Science Couch]

    History of knitting machines

    https://invention.si.edu/knitting-stockings-machine

    http://www.nottsheritagegateway.org.uk/people/frameworkknitters.htm

    Crochet vs. knit stitches

    https://www.youtube.com/watch?v=jecATRwHQP8

    https://akaspar.pages.cba.mit.edu/textiles-recitation/background.html

    Crocheting hyperbolic space models

    https://www.ams.org/publicoutreach/math-imagery/taimina

    https://www.cabinetmagazine.org/issues/16/wertheim_henderson_taimina.php

    https://www.theiff.org/oexhibits/oe1e.html

    [Butt One More Thing]

    Art project that extracted cellulose from cow manure to make a semi-synthetic fabric

    https://www.sciencedirect.com/science/article/pii/S014181302300404X

    https://www.huffpost.com/entry/poop-clothing_n_58e7d6f0e4b058f0a02efa77

    https://jalilaessaidi.com/cowmanure/

    While you're at it, check out the Tangents crew on Twitter: Ceri: @ceriley Sam: @im_sam_schultz Hank: @hankgreen


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    45 min
  • Feathers

    It may be well-known that hope is the thing with feathers, but how much is known about feathers themselves? Turns out, plenty! From shrub grouses to shuttlecocks and all the pea-babies (diminutive for peacocks, definitely for sure) in between, come soar on the delightfully complex wings of knowledge with us!

    SciShow Tangents is on YouTube! Go to www.youtube.com/scishowtangents to check out this episode with the added bonus of seeing our faces! 

    Head to www.patreon.com/SciShowTangents to find out how you can help support SciShow Tangents, and see all the cool perks you’ll get in return, like bonus episodes and a monthly newsletter! A big thank you to Patreon subscribers Garth Riley and Glenn Trewitt for helping to make the show possible!

    And go to https://store.dftba.com/collections/scishow-tangents to buy some great Tangents merch!

    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: Ceri: @ceriley Sam: @im_sam_schultz Hank: @hankgreen

     

    [Truth or Fail]

    Dermestid beetles on dino feather in amber

    https://www.science.org/content/article/feathered-dinosaurs-discovered

    https://www.eurekalert.org/news-releases/986124

    https://www.smithsonianmag.com/science-nature/lice-filled-dinosaur-feathers-found-trapped-100-million-year-old-amber-180973727/

    https://www.discovermagazine.com/the-sciences/dermestid-beetles-feasted-on-dinosaur-feathers

    Badminton shuttlecock dino-birdie 

    https://www.amnh.org/exhibitions/dinosaurs-ancient-fossils/liaoning-diorama/a-feathered-tyrant

    https://australian.museum/learn/dinosaurs/fact-sheets/dilong-paradoxus/

    https://www.eurekalert.org/news-releases/1030468

    Roboduck with dino feathers

    https://www.audubon.org/news/new-aquatic-dinosaur-find-strange-and-startling-avian-hodgepodge

    https://www.newscientist.com/article/2414147-dinosaurs-evolved-feathers-to-scare-prey-suggests-robot-experiment/

    https://arstechnica.com/science/2024/02/robo-dinosaur-scares-grasshoppers-to-shed-light-on-why-dinos-evolved-feathers/

    [Trivia Question]

    Speed of peacock tail feather shaking to signal interest to mates

    https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0152759

    https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0207247

    https://www.theatlantic.com/science/archive/2018/12/peacock-crests-are-vibration-sensors/578656/

    https://gizmodo.com/the-physics-of-peacock-tail-feathers-is-even-more-dazzl-1772653586

    [Fact Off]

    Turning waste chicken feathers into a flavorless, edible meat paste

    https://ourworldindata.org/grapher/animals-slaughtered-for-meat?time=latest

    https://phys.org/news/2017-09-bird-feathers-food.html

    https://lup.lub.lu.se/luur/download?func=downloadFile&recordOId=9055668&fileOId=9055675

    https://www.thechemicalengineer.com/news/lund-team-turns-chicken-feathers-into-food/

    https://www.rechargenews.com/energy-transition/chicken-feathers-can-help-generate-clean-energy-say-researchers/2-1-1539841?zephr_sso_ott=oZW4Dr

    Male sandgrouse belly feathers soak up water to carry back to their babies

    https://royalsocietypublishing.org/doi/10.1098/rsif.2022.0878

    https://academic.oup.com/condor/article/69/4/323/5229138

    https://ebird.org/species/namsan1

    [Ask the Science Couch]

    Feather growth and development (and altricial vs. precocial baby birds)

    https://academy.allaboutbirds.org/feathers-article/

    https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4380223/

    https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6917565/

    [Butt One More Thing]

    Fright molt: losing tail feathers as an antipredator adaptation

    https://academic.oup.com/beheco/article/17/6/1046/319763


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    44 min
  • Garbage

    Trash, rubbish, waste, refuse...we have a lot of words for the gunk that goes on the truck, because whether we like it or not, humans make a lot of garbage. Get comfy with some grossness as we root around in garbage's past, present, and future. We're all on a path, you guys!

    SciShow Tangents is on YouTube! Go to www.youtube.com/scishowtangents to check out this episode with the added bonus of seeing our faces! 

    Head to www.patreon.com/SciShowTangents to find out how you can help support SciShow Tangents, and see all the cool perks you’ll get in return, like bonus episodes and a monthly newsletter! A big thank you to Patreon subscribers Garth Riley and Glenn Trewitt for helping to make the show possible!

    And go to https://store.dftba.com/collections/scishow-tangents to buy some great Tangents merch!

    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: Ceri: @ceriley Sam: @im_sam_schultz Hank: @hankgreen

    Garbage

    [The Scientific Definition]

    Neptune balls

    Laser broom

    Wishcycling

    [Trivia Question]

    Eugene Poubelle garbage can ordinance in France

    https://www.connexionfrance.com/article/Mag/French-Facts/Dustbins-are-named-after-French-recycling-innovator

    https://en.wiktionary.org/wiki/poubelle

    https://doodles.google/doodle/eugene-poubelles-190th-birthday/

    [Fact Off]

    Sulfur-crested cockatoos opening garbage cans because of social learning

    https://www.science.org/doi/10.1126/science.abe7808

    https://www.eurekalert.org/news-releases/963482

    https://www.cell.com/current-biology/fulltext/S0960-9822(22)01285-4

    Hermit crabs are using plastic trash as shells

    https://www.sciencedirect.com/science/article/pii/S0048969723075885

    https://www.smithsonianmag.com/smart-news/hermit-crabs-using-trash-as-shells-across-the-world-scientists-find-180983701/

    [Ask the Science Couch]

    Waste-to-energy methods: power plants/incineration, gasification, landfill gas, anaerobic digestion

    https://www.sciencedirect.com/science/article/pii/S0959652617317316?via%3Dihub

    https://www.eia.gov/energyexplained/biomass/waste-to-energy-in-depth.php

    https://www.sciencedirect.com/science/article/pii/B9780857090119500090

    https://ieeexplore.ieee.org/document/5530419

    https://www.epa.gov/lmop/basic-information-about-landfill-gas

    https://www.nature.com/articles/nclimate2804

    https://www.epa.gov/agstar/how-does-anaerobic-digestion-work

    [Butt One More Thing]

    Poop composition of gull flocks that eat garbage from landfills

    https://www.sciencedirect.com/science/article/pii/S004313541730489X?via%3Dihub

    https://www.eurekalert.org/news-releases/558545  


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    See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

    46 min
  • Hormones

    Oops, all science this episode! Erstwhile editorial assistant Deboki Chakravarti steps in for erstwhile everyman Sam Schultz as we parse through fundamental puzzles about humanity: what makes us, us, and if it is hormones, does that make us cocktails or cauldrons?

    SciShow Tangents is on YouTube! Go to www.youtube.com/scishowtangents to check out this episode with the added bonus of seeing our faces! 

    Head to www.patreon.com/SciShowTangents to find out how you can help support SciShow Tangents, and see all the cool perks you’ll get in return, like bonus episodes and a monthly newsletter! A big thank you to Patreon subscribers Garth Riley and Glenn Trewitt for helping to make the show possible!

    And go to https://store.dftba.com/collections/scishow-tangents to buy some great Tangents merch!

    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: Ceri: @ceriley Sam: @im_sam_schultz Hank: @hankgreen

    Hormones

    [Truth or Fail]

    https://vcresearch.berkeley.edu/news/trust-hormone-oxytocin-helps-old-muscle-work-new-study-finds

    [Trivia Question]

    Hormone-injected Judas goats to kill invasive species in Project Isabella

    https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3092746/

    https://modernfarmer.com/2013/09/killing-goats-galapagos/

    [Fact Off]

    Bones make osteocalcin, which might be a hormone involved in stress reactions

    https://www.cell.com/cell-metabolism/fulltext/S1550-4131(19)30441-3

    https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6335246/

    https://journals.plos.org/plosgenetics/article?id=10.1371/journal.pgen.1008361

    https://journals.plos.org/plosgenetics/article?id=10.1371/journal.pgen.1008714

    Chrononutrition and breast milk hormones training babies’ circadian rhythms

    [Ask the Science Couch]

    Hormones (vs. neurotransmitters) and how they affect emotions


     

    Serotonin

    https://www.ncbi.nlm.nih.gov/books/NBK545168/

    https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5864293/


     

    Testosterone

    https://www.sciencedirect.com/science/article/pii/S0033318213001333?via%3Dihub

    https://onlinelibrary.wiley.com/doi/10.1111/andr.12867


     

    Estrogen

    https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3753111/

    https://jamanetwork.com/journals/jamapsychiatry/fullarticle/210086


     

    Thyroid

    https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7612998/

    https://www.sciencedirect.com/science/article/abs/pii/S0378512215006064


     

    Puberty in general

    https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5192018/

    https://journals.publishing.umich.edu/umurj/article/id/1383/

    [Butt One More Thing]

    Golden spiny mice poop hormones show that they've evolved to be nocturnal (even though they can be diurnal)

    https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0023446


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    44 min
  • Cheese

    It's the long-awaited cheese-stravaganza! And it's every bit as melty, crumbly, stretchy, and stinky as hoped for. We dip into some fetamology, we stretch our nokkeledge of cheese applications, and we unwrap the shocking tartrutho about a cheese we thought we knew!*

    *The real cheese names I butchered into puns: feta, nokkelost, tartuffo. All delicious, go try some!

    SciShow Tangents is on YouTube! Go to www.youtube.com/scishowtangents to check out this episode with the added bonus of seeing our faces! 

    Head to www.patreon.com/SciShowTangents to find out how you can help support SciShow Tangents, and see all the cool perks you’ll get in return, like bonus episodes and a monthly newsletter! A big thank you to Patreon subscribers Garth Riley and Glenn Trewitt for helping to make the show possible!

    And go to https://store.dftba.com/collections/scishow-tangents to buy some great Tangents merch!

    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: Ceri: @ceriley Sam: @im_sam_schultz Hank: @hankgreen

    [The Scientific Definition]

    Cornish Yarg’s rind

    Pule animal milk

    Emmental cheese surroundings

    [Trivia Question]

    One of the oldest unopened cans of Cougar Gold cheese

    https://archive.news.wsu.edu/news/2010/08/14/oldest-cougar-gold-cracked-open-still-tasty/

    https://creamery.wsu.edu/about-us/history/

    [Fact Off]

    Using cheese to study the neuroscience of disgust because it’s not dangerous/unethical

    https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5065955/

    https://www.sciencedirect.com/topics/psychology/disgust

    https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4687907/

    Environmental remediation in Emeryville, CA using cottage cheese whey

    [Ask the Science Couch]

    “Addictive” qualities of cheese (contextualizing casomorphin and the endogenous opioid system)

    https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0117959

    https://www.acs.org/molecule-of-the-week/archive/b/bovine-beta-casomorphin-7.html

    https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8345738/

    https://efsa.onlinelibrary.wiley.com/doi/epdf/10.2903/j.efsa.2009.231r

    https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10486734/

    [Butt One More Thing]

    Cheese mites are pests but also delicacies in Mimolette and Milbenkäse

    https://www.sciencedirect.com/science/article/pii/S0022030210003644

    https://link.springer.com/article/10.1007/s10493-016-0040-7

    https://microbialfoods.org/microbe-guide-cheese-mites/


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    See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

    48 min
  • Darkness

    The question plaguing us this episode is, how dark can it really get? Turns out (according to some), not that dark! Unless you're at the bottom of the ocean or floating in the all too-eerie void of deep space, you're always gonna have some photons hitting your face. (I'm pretty sure I accidentally stole this rhyme right out of Hank's poem, but you'll just have to listen to know for sure...) 

    SciShow Tangents is on YouTube! Go to www.youtube.com/scishowtangents to check out this episode with the added bonus of seeing our faces! 

    Head to www.patreon.com/SciShowTangents to find out how you can help support SciShow Tangents, and see all the cool perks you’ll get in return, like bonus episodes and a monthly newsletter! A big thank you to Patreon subscribers Garth Riley and Glenn Trewitt for helping to make the show possible!

    And go to https://store.dftba.com/collections/scishow-tangents to buy some great Tangents merch!

    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: Ceri: @ceriley Sam: @im_sam_schultz Hank: @hankgreen

    [The Gauntlet]

    Next December 23rd winter solstice

    SOLAR spacecraft went down 

    Reorientation of sun instrument

    23.5°S latitude alternate name

    Tapetum lucidum color

    Hormone in darkness

    Famous winter solstice sunlight site

    [Trivia Question]

    Last December 23rd winter solstice

    https://www.timeanddate.com/calendar/december-solstice.html

    [Fact Off]

    Carrots can help you make rhodopsin but not improve night vision

    https://www.sciencefocus.com/the-human-body/do-carrots-help-you-see-in-the-dark

    https://www.sciencefocus.com/the-human-body/do-carrots-really-help-you-see-in-the-dark

    https://pubmed.ncbi.nlm.nih.gov/10484191/

    https://www.livescience.com/carrots-see-in-the-dark.html

    https://www.scientificamerican.com/article/fact-or-fiction-carrots-improve-your-vision/

    Dogs are more likely to steal food disobediently when it’s dark 

    https://link.springer.com/article/10.1007/s10071-012-0579-6

    https://www.sciencedaily.com/releases/2013/02/130211090840.htm

    https://researchportal.port.ac.uk/en/persons/juliane-kaminski/publications/

    [Butt One More Thing]

    English words for excrement collectors (gong farmer, night soil men) 

    https://www.oed.com/dictionary/night-soil_n?tab=etymology

    https://www.oed.com/dictionary/gong-farmer_n?tab=meaning_and_use#992848879

    https://www.atlasobscura.com/articles/when-american-cities-were-full-of-crap

    https://ojs.ethnobiology.org/index.php/ebl/article/view/1351/705


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    42 min
  • Refrigeration

    In this not-so-chill episode, everybody gets a little unsettled by the concepts around refrigeration. Quantum computers, thermoacoustics, molecular chemistry, elephants, the phantom letter "d" that gets added to the shortening of refrigeration...it's all just. So much.

    SciShow Tangents is on YouTube! Go to www.youtube.com/scishowtangents to check out this episode with the added bonus of seeing our faces! 

    Head to www.patreon.com/SciShowTangents to find out how you can help support SciShow Tangents, and see all the cool perks you’ll get in return, like bonus episodes and a monthly newsletter! A big thank you to Patreon subscribers Garth Riley and Glenn Trewitt for helping to make the show possible!

    And go to https://store.dftba.com/collections/scishow-tangents to buy some great Tangents merch!

    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: Ceri: @ceriley Sam: @im_sam_schultz Hank: @hankgreen

    [This or That: Fridge or Not Fridge]

    Ballpoint-pen-sized device with twisted nickel-titanium and water

    Credit-card-sized device plugged into your phone with lithium bromide

    Two large metal balls with ammonia and water

    [Trivia Question]

    Frigidaire had an elephant stand on their refrigerator as a strength test

    https://www.mentalfloss.com/article/75945/15-icy-cool-facts-about-refrigeration

    https://www.coloradohistoricnewspapers.org/cgi-bin/colorado?a=d&d=STP19390511.2.109&e=-------en-20--1--img-txIN%7ctxCO%7ctxTA--------0------

    [Fact Off]

    Dilution refrigeration and ultra-cold LEGOs

    https://nanoscience.oxinst.com/assets/uploads/NanoScience/Brochures/Principles%20of%20dilution%20refrigeration_Sept15.pdf

    https://twist.phys.virginia.edu/work/Formal_Paper.pdf

    https://www.lancaster.ac.uk/news/the-coolest-lego-in-the-universe

    https://www.nature.com/articles/s41598-019-55616-7#Fig1

    https://www.popularmechanics.com/science/a30337510/lego-bricks-heat-tolerance-quantum-computer/

    Thermoacoustic refrigeration and the James Webb Space Telescope

    [Ask the Science Couch]

    Freezer smells and dehydration/oxidation affecting food taste

    https://extension.umn.edu/preserving-and-preparing/science-freezing-foods

    https://extension.psu.edu/understanding-the-process-of-freezing

    https://theconversation.com/heres-why-your-freezer-smells-so-bad-and-what-you-can-do-about-it-203058

    https://www.fsis.usda.gov/food-safety/safe-food-handling-and-preparation/emergencies/removing-odors-refrigerators-and

    [Butt One More Thing]

    USB drive found in volunteer-collected frozen leopard seal poop

    https://niwa.co.nz/news/they-were-defrosting-leopard-seal-pooyou-wont-believe-what-happened-next

    https://www.leopardseals.org/scat-poo-collection/


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    46 min
  • Quiet

    Do you hear what I hear? Probably not, because in this episode, we're bringing things down several notches to learn about quiet. Does it have a scientific definition? Is it all just relative? Should crickets have podcasts? Join us as we (ok, maybe not so) quietly contemplate quiet.

    SciShow Tangents is on YouTube! Go to www.youtube.com/scishowtangents to check out this episode with the added bonus of seeing our faces! 

    Head to www.patreon.com/SciShowTangents to find out how you can help support SciShow Tangents, and see all the cool perks you’ll get in return, like bonus episodes and a monthly newsletter! A big thank you to Patreon subscribers Garth Riley and Glenn Trewitt for helping to make the show possible!

    And go to https://store.dftba.com/collections/scishow-tangents to buy some great Tangents merch!

    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: Ceri: @ceriley Sam: @im_sam_schultz Hank: @hankgreen

    [Truth or Fail]

    Larval reef fish bury their heads in the sand to reduce noise

    Quieter Bison bulls get more mates

    Dolphins quiet their clicks to ambush each other 

    [Trivia Question]

    Loudness of lead singer in Billboard Hot 100 from 1946-2020

    https://pubs.aip.org/asa/jel/article/3/4/043201/2885300/Lead-vocal-level-in-recordings-of-popular-music

    https://www.eurekalert.org/news-releases/986837

    [Fact Off]

    Water-based sound suppression systems for rocket launches

    https://pubs.aip.org/asa/jasa/article/142/4_Supplement/2489/603382/Sixty-years-of-launch-vehicle-acoustics

    https://www.nas.nasa.gov/SC15/demos/demo10.html

    https://www.nasa.gov/news-release/space-launch-systems-sound-suppression-system-final-test-at-kennedy/

    https://www.sciencedirect.com/science/article/pii/S0022460X23003528

    Small tree crickets use leaves to amplify their chirps

    [Ask the Science Couch]

    Quietest period in history of the Earth (of all time & anthropocene)

    https://www.curtin.edu.au/news/media-release/earths-mid-life-crisis-new-research-backs-lull-geologic-record/

    https://www.nature.com/articles/s41561-017-0051-y

    https://www.sciencedirect.com/science/article/pii/S1342937X13000506?via%3Dihub

    https://www.technologyreview.com/2020/07/23/1005574/lockdown-was-the-longest-period-of-quiet-in-human-history/

    https://www.science.org/doi/10.1126/science.abd2438

    [Butt One More Thing]

    Unplanned 9/11 study shows whale poop stress levels associated with ship noise 

    https://www.washingtonpost.com/national/health-science/unplanned-911-analysis-links-noise-whale-stress/2012/02/14/gIQAmQnlPR_story.html

    https://royalsocietypublishing.org/doi/full/10.1098/rspb.2011.2429


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    43 min
  • Oil

    Oil: it's a ubiquitous substance humans have been relying on for longer than you might think. We cook with it, we moisturize with it, we run machines with it - it keeps slipping into places we least expect to find it, for good and for ill... 

    SciShow Tangents is on YouTube! Go to www.youtube.com/scishowtangents to check out this episode with the added bonus of seeing our faces! 

    Head to www.patreon.com/SciShowTangents to find out how you can help support SciShow Tangents, and see all the cool perks you’ll get in return, like bonus episodes and a monthly newsletter! A big thank you to Patreon subscribers Garth Riley and Glenn Trewitt for helping to make the show possible!

    And go to https://store.dftba.com/collections/scishow-tangents to buy some great Tangents merch!

    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: Ceri: @ceriley Sam: @im_sam_schultz Hank: @hankgreen

     

    [The Gauntlet]

    Original Crisco oil plant

    Company that produces Crisco

    Process to turn liquid oil into solid

    Fair Packaging and Labeling Act decade

    Upton Sinclair book

    Two oils in modern Crisco

    Kream Krisp vs. Crisco

    [Trivia Question]

    Value of Spanish extra virgin olive oil stolen in August 2023

    https://www.cnbc.com/2023/09/19/olive-oil-prices-surge-over-100percent-leading-to-cooking-oil-thefts.html

    https://www.reuters.com/world/europe/spanish-police-seize-74-tonnes-stolen-olives-amid-soaring-prices-2023-10-06/

    [Fact Off]

    Russell Martin Bliss contaminated Times Beach, Missouri with waste oil to stop dust

    Using human/animal hair to adsorb oil spills

    https://www.mdpi.com/2076-3298/7/7/52

    https://www.sciencedirect.com/science/article/abs/pii/S2213343715000330

    https://www.sciencedaily.com/releases/1998/04/980424032349.htm

    https://time.com/6262631/philippines-oil-spill-cleanup-hair/

    [Ask the Science Couch]

    Saturated/unsaturated fat chemistry and how they influence bloodstream lipids

    https://bio.libretexts.org/Bookshelves/Introductory_and_General_Biology/Book%3A_General_Biology_(Boundless)/03%3A_Biological_Macromolecules/3.03%3A_Lipid_Molecules_-_Introduction#

    https://www.health.harvard.edu/heart-health/how-its-made-cholesterol-production-in-your-body

    https://openheart.bmj.com/content/5/2/e000871

    [Butt One More Thing]

    Mineral oil used as a lubricant laxative

    https://www.mayoclinic.org/drugs-supplements/laxative-oral-route/before-using/drg-20070683?p=1

    https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2804525/


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    45 min
  • Telescopes

    What's that you spy on the horizon, just out of sight? If you have a telescope handy, you can hone your gaze on...more telescopes! From pocket spyglasses to Extremely Large (a real telescope name), join us and special guest Julian Huguet as we set our sights on the far-reaching world of these incredible devices. How we wonder what they are...

    SciShow Tangents is on YouTube! Go to www.youtube.com/scishowtangents to check out this episode with the added bonus of seeing our faces! 

    Head to www.patreon.com/SciShowTangents to find out how you can help support SciShow Tangents, and see all the cool perks you’ll get in return, like bonus episodes and a monthly newsletter! A big thank you to Patreon subscribers Garth Riley and Glenn Trewitt for helping to make the show possible!

    And go to https://store.dftba.com/collections/scishow-tangents to buy some great Tangents merch!

    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: Ceri: @ceriley Sam: @im_sam_schultz Hank: @hankgreen

     

    [Truth or Fail]

    Finding llamas with telescope vibration

    Predicting weather with telescopes and clouds

    Tracking bees with LIDAR

    [Trivia Question]

    Space Telescope Transporter for Air, Road, and Sea (or STTARS) length https://www.nasa.gov/universe/how-to-ship-the-worlds-largest-space-telescope-5800-miles-across-the-ocean/

    https://www.nasa.gov/missions/webb/follow-the-sttars-to-find-nasas-webb-telescope/

    [Fact Off]

    Artificial guide stars made from lasers for optical telescopes on Earth 

    https://www.eurekalert.org/news-releases/811748

    https://www.llnl.gov/news/guide-star-leads-sharper-astronomical-images

    https://www.degruyter.com/document/doi/10.1515/aot-2014-0025/html

    https://articles.adsabs.harvard.edu/cgi-bin/nph-iarticle_query?1953PASP...65..229B&data_type=PDF_HIGH

    Gravitational lensing and turning space itself into a telescope

    [Ask the Science Couch]

    The history of radio telescopes (first non-optical telescope)

    https://massivesci.com/articles/radio-astronomy-sagittarius-karl-jansky/

    https://articles.adsabs.harvard.edu/pdf/2005ASPC..345....3J

    https://public.nrao.edu/news/silent-as-the-night-why-radio-astronomy-doesnt-listen-to-the-sky

    https://science.nasa.gov/ems/05_radiowaves/

    [Butt One More Thing]

    Burst Alert Telescope (BAT) & Gamma-Ray Urgent Archiver for Novel Opportunities (GUANO)

    https://ui.adsabs.harvard.edu/abs/2020ApJ...900...35T/abstract

    https://nssdc.gsfc.nasa.gov/nmc/spacecraft/display.action?id=2004-047A


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    46 min

About SciShow Tangents

From the publisher's feed

SciShow Tangents is the lightly competitive knowledge showcase from the geniuses behind the YouTube series SciShow. Every other Tuesday, join Hank Green, Ceri Riley, and Sam Schultz as they try to…

Best of SciShow Tangents

Ranked by our users in the last 21 days

  1. Number 1: Best of 2024 Compilation
    4 hr 48 min
  2. Number 2: Oil
    45 min
  3. Number 3: Tangents
    1 hr 11 min

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