Welcome to SciShow Quiz Show, where SciShow Space co-hosts Hank and Reid are back for another round! Hosted by: Michael Aranda ---------- Dooblydoo thanks go to the following Patreon supporters -- we couldn't make SciShow without them! Shout out to Christopher Prevoe, Justin Ove, John Szymakowski, Peso255, Ruben Galvao, Fatima Iqbal, Justin Lentz, and David Campos. ---------- Like SciShow? Want to help support us, and also get things to put on your walls, cover your torso and hold your liquids? Check out our awesome products over at DFTBA Records: http://dftba.com/scishow Or help support us by becoming our patron on Patreon: https://www.patreon.com/scishow ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Instagram: http://instagram.com/thescishow Sources: http://astronomynow.com/2015/03/17/chiron-may-be-second-minor-planet-to-possess-saturn-like-rings/ http://www.sigmaaldrich.com/materials-science/nanomaterials/gold-nanoparticles.html http://nanocomposix.com/pages/gold-nanoparticles-optical-properties http://voices.nationalgeographic.com/2013/09/30/why-do-mysterious-lizards-have-green-blood/ https://books.google.com/books?id=QqXpWJHICUYC&pg=PA344 http://www.jbc.org/content/276/19/15563.full http://blogs.scientificamerican.com/brainwaves/how-the-antarctic-icefish-lost-its-red-blood-cells-but-survived-anyway/ http://www.newscientist.com/article/dn13991-horror-frog-breaks-own-bones-to-produce-claws.html http://news.nationalgeographic.com/news/2003/05/0516_030516_caterpillars.html http://animals.nationalgeographic.com/animals/reptiles/horned-toad/ http://animals.howstuffworks.com/birds/vulture-vomit.htm http://www.newyorker.com/tech/elements/the-science-of-ricin http://animals.nationalgeographic.com/animals/amphibians/golden-poison-dart-frog/ http://www.theguardian.com/lifeandstyle/2010/nov/13/nearly-died-eating-wild-mushrooms http://adventure.howstuffworks.com/top-5-poisonous-plants1.htm

How do you make an archaeologist really mad, really fast? Ask her if she’s found any dinosaurs. SciShow helps you Know Your Scientists by explaining the many differences between archaeology and paleontology, and how they’re each awesome in their own ways. If you liked this video, check out more videos about natural history and paleontology on SciShow's sister channel, Eons: https://www.youtube.com/eons Messages from our Subbable subscribers: “Rasmus, your sister is so proud of you! Hugs!” - Katharina “My brother wants me to write butts butts butts butts” - Noah Paul “Scishow team rocks, support them on patreon !” - Benj “Thanks for the splendiferous content! Good luck on Patreon, friends.” - Garth Gergerich “I love your molecular structure (and personality) Donna Tolleson Wilson.” - Joshua Wilson “Spending Subbable funds because it's better than not spending.” - Gregle “Mirthe, thanks for being an awesome teacher!” - Manfred “DFTBA: love from North Western Canada” - Rina Stuparyk “Nadia you are wonderful and I love you very much.” - Eduard “Be the change that you wish to see in the world.” - Lisa Phillipson ---------- Like SciShow? Want to help support us, and also get things to put on your walls, cover your torso and hold your liquids? Check out our awesome products over at DFTBA Records: http://dftba.com/scishow Or help support us by becoming our patron on Patreon: https://www.patreon.com/scishow ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Instagram: http://instagram.com/thescishow Sources: http://www.ucmp.berkeley.edu/paleo/paleowhat.html http://www.saa.org/ForthePublic/Resources/EducationalResources/ForEducators/ArchaeologyforEducators/WhatisArchaeology/tabid/1346/Default.aspx

Fireflies, crustaceans, jellyfish -- lots of living things glow, and they do it for all kinds of reasons, some of which we haven’t even discovered yet. Hosted by: Hank Green ---------- Dooblydoo thanks go to the following Patreon supporters -- we couldn't make SciShow without them! Shout out to Justin Ove, Justin Lentz, David Campos, Chris Peters, and Fatima Iqbal. ---------- Like SciShow? Want to help support us, and also get things to put on your walls, cover your torso and hold your liquids? Check out our awesome products over at DFTBA Records: http://dftba.com/scishow Or help support us by becoming our patron on Patreon: https://www.patreon.com/scishow ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Instagram: http://instagram.com/thescishow Sources: http://sciencefriday.com/segment/07/31/2015/so-flashy-the-chemistry-behind-a-firefly-s-glow.html http://www.ebi.ac.uk/interpro/potm/2006_6/Page1.htm http://www.nature.com/news/2008/081008/full/news.2008.1159.html http://www.livescience.com/16752-gfp-protein-fluorescent-nih-nigms.html http://www.chm.bris.ac.uk/motm/GFP/GFPh.htm http://faculty.washington.edu/cemills/Aequorea.html http://www.iflscience.com/plants-and-animals/beautiful-glowing-beaches-look-something-another-world http://www.theatlantic.com/photo/2015/01/a-bioluminescent-bloom-in-hong-kong/384759/ http://www.imas.utas.edu.au/zooplankton/image-key/noctiluca-scintillans http://www.bbc.co.uk/nature/28838200 http://nerdist.com/fish-eats-crustacean-casts-patronus-charm/ http://scishow.tumblr.com/post/96549502309/trailburstnuggets-jaybarou

If you want to be able to breathe underwater, you’re going to need to get creative. So some turtles, dragonfly nymphs, and sea cucumbers decided to use their butts. Hosted by: Michael Aranda ---------- Dooblydoo thanks go to the following Patreon supporters -- we couldn't make SciShow without them! Shout out to Justin Ove, Justin Lentz, David Campos, Chris Peters, and Fatima Iqbal. ---------- Like SciShow? Want to help support us, and also get things to put on your walls, cover your torso and hold your liquids? Check out our awesome products over at DFTBA Records: http://dftba.com/scishow Or help support us by becoming our patron on Patreon: https://www.patreon.com/scishow ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Instagram: http://instagram.com/thescishow Sources: http://www.straightdope.com/columns/read/2325/is-it-true-turtles-breathe-through-their-butts http://onlinelibrary.wiley.com/doi/10.1002/jez.1055/abstract http://news.discovery.com/animals/why-do-some-turtles-breathe-out-of-their-butt-140617.htm http://caledonianrecord.com/main.asp?SectionID=5&SubSectionID=159&ArticleID=38602 http://illuminationstudios.com/archives/63 https://books.google.com/books?id=qKHwCAAAQBAJ&pg=PA102 http://jeb.biologists.org/content/44/2/317.full.pdf https://books.google.com/books?id=DyyJIb2IvKAC&pg=PA19

Scientists have found 80,000-year-old modern human teeth in a Chinese cave, challenging the most widely accepted timelines of human migration. And electric eels use electricity to both attack and track their prey! Hosted by: Hank Green ---------- Dooblydoo thanks go to the following Patreon supporters -- we couldn't make SciShow without them! Shout out to Justin Ove, Justin Lentz, David Campos, Philippe von Bergen, Chris Peters, Lilly Grainger, Happy Birthday!!, and Fatima Iqbal. ---------- Like SciShow? Want to help support us, and also get things to put on your walls, cover your torso and hold your liquids? Check out our awesome products over at DFTBA Records: http://dftba.com/scishow Or help support us by becoming our patron on Patreon: https://www.patreon.com/scishow ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Instagram: http://instagram.com/thescishow Sources: http://www.nature.com/nature/journal/vaop/ncurrent/full/nature15640.html http://www.nature.com/articles/doi:10.1038/ncomms9638 http://anthro.palomar.edu/homo2/mod_homo_4.htm http://www.reuters.com/article/2015/10/15/us-science-teeth-idUSKCN0S82CB20151015 http://www.nps.gov/grba/learn/nature/flowstone.htm http://askanaturalist.com/how-do-electric-eels-generate-electricity/ http://www.ucs.louisiana.edu/~jxa4003/Albert%20PDF's/Albert-Crampton-Electroreception-proofs.pdf http://animals.mom.me/electric-eels-live-3669.h tml

SciShow Quiz Show is back, with familiar faces Hank Green and Lindsey Doe matching wits about ancient science, puppies, and all kinds of words that have “sex” in them! https://www.youtube.com/user/sexplanations Hosted by: Michael Aranda ---------- Dooblydoo thanks go to the following Patreon supporters -- we couldn't make SciShow without them! Shout out to Justin Ove, Chris Peters, John Szymakowski, Peso255, Fatima Iqbal, Justin Lentz, and David Campos. ---------- Like SciShow? Want to help support us, and also get things to put on your walls, cover your torso and hold your liquids? Check out our awesome products over at DFTBA Records: http://dftba.com/scishow Or help support us by becoming our patron on Patreon: https://www.patreon.com/scishow ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Instagram: http://instagram.com/thescishow Sources: http://www.light2015.org/Home/ScienceStories/1000-Years-of-Arabic-Optics.html https://www.sciencenews.org/blog/context/top-10-science-anniversaries-2015 http://www.popsci.com/science/article/2012-10/puppies-pick-yawns-later-life-when-theyre-old-enough-understand-empathy http://dogcare.dailypuppy.com/thiosulphate-dogs-8001.html http://dogcare.dailypuppy.com/old-can-female-puppy-pregnant-4176.html http://www.sciencedirect.com/science/article/pii/S0960982211013935 https://www.psychologytoday.com/blog/canine-corner/201107/does-my-dog-recognize-himself-in-mirror https://www.youtube.com/watch?v=OJu2Qkbxes0

Welcome back to SciShow Quiz Show, where Hank goes head-to-head with Craig Benzine, better known as WheezyWaiter. Hosted by: Michael Aranda ---------- Dooblydoo thanks go to the following Patreon supporters -- we couldn't make SciShow without them! Shout out to Justin Ove, Justin Lentz, David Campos, Chris Peters, Fatima Iqbal, and Lilly Grainger, Happy Birthday!!. ---------- Like SciShow? Want to help support us, and also get things to put on your walls, cover your torso and hold your liquids? Check out our awesome products over at DFTBA Records: http://dftba.com/scishow Or help support us by becoming our patron on Patreon: https://www.patreon.com/scishow ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Instagram: http://instagram.com/thescishow Sources: http://www.nationaleaglecenter.org/learn/faq/ http://www.hornbyeagles.com/eaglefaq.htm#C http://www.nature.com/nbt/journal/v19/n10/abs/nbt1001-962.html http://www.theguardian.com/science/2015/aug/05/iran-scientists-clone-endangered-mouflon-domestic-sheep http://www.hngn.com/articles/116760/20150806/iran-clones-mouflon-rare-wild-sheep-using-surrogate-ewe.htm http://news.nationalgeographic.com/news/2001/10/1025_TVsheepclone_2.html http://www.scielo.br/pdf/po/v19n3/v19n3a13 http://aem.asm.org/content/74/12/3764.full http://www.livescience.com/7214-rare-semi-identical-twins-discovered.html http://discovermagazine.com/2008/jan/semi-identical-twins-discovered

This week on SciShow News, scientists found that social interaction triggers the production of the “bliss molecule” in mice. Plus, eating sugar is about more than just the calories. Hosted by: Michael Aranda ---------- Dooblydoo thanks go to the following Patreon supporters -- we couldn't make SciShow without them! Shout out to Justin Ove, Justin Lentz, David Campos, Philippe von Bergen, Chris Peters, Lilly Grainger, Happy Birthday!!, and Fatima Iqbal. ---------- Like SciShow? Want to help support us, and also get things to put on your walls, cover your torso and hold your liquids? Check out our awesome products over at DFTBA Records: http://dftba.com/scishow Or help support us by becoming our patron on Patreon: https://www.patreon.com/scishow ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Instagram: http://instagram.com/thescishow Sources: http://www.eurekalert.org/emb_releases/2015-10/uoc--hh102215.php http://www.eurekalert.org/emb_releases/2015-10/uoc--och102115.php http://www.pnas.org/content/early/2015/10/21/1509795112 http://www.medicalnewstoday.com/articles/275795.php http://www.livescience.com/24553-what-is-thc.html

Bats sleep upside down, so how come they don’t fall? Turns out that they’ve got some unusual legs. Hosted by: Michael Aranda ---------- Dooblydoo thanks go to the following Patreon supporters -- we couldn't make SciShow without them! Shout out to Justin Ove, Justin Lentz, David Campos, Philippe von Bergen, Chris Peters, Lilly Grainger, Happy Birthday!!, and Fatima Iqbal. ---------- Like SciShow? Want to help support us, and also get things to put on your walls, cover your torso and hold your liquids? Check out our awesome products over at DFTBA Records: http://dftba.com/scishow Or help support us by becoming our patron on Patreon: https://www.patreon.com/scishow ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Instagram: http://instagram.com/thescishow Sources: Flying foxes tendon locking mechanism: http://onlinelibrary.wiley.com/doi/10.1111/j.1469-7998.1993.tb02633.x/abstract Bat tendon locking mechanism paper: http://www.ncbi.nlm.nih.gov/pubmed/8515478 Review paper on grasping in tetrapods: http://onlinelibrary.wiley.com/doi/10.1111/brv.12010/epdf Vampire bats don’t have a “passive digital lock” (could not access full article but this was stated in abstract): http://www.karger.com/Article/Abstract/147544 Vampire bats “strike their victims from the ground”: http://animals.nationalgeographic.com/animals/mammals/common-vampire-bat/ Vampire bats have stronger legs / are faster on the ground http://mentalfloss.com/article/53128/11-bloody-facts-about-vampire-bats

Learn how scientists are fighting cancer... with algae! Hosted by: Michael Aranda ---------- Dooblydoo thanks go to the following Patreon supporters -- we couldn't make SciShow without them! Shout out to Justin Ove, David Campos, Chris Peters, Philippe von Bergen, Lilly Grainger, Happy Birthday!!, Fatima Iqbal, and Justin Lentz. ---------- Like SciShow? Want to help support us, and also get things to put on your walls, cover your torso and hold your liquids? Check out our awesome products over at DFTBA Records: http://dftba.com/scishow Or help support us by becoming our patron on Patreon: https://www.patreon.com/scishow ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Instagram: http://instagram.com/thescishow Sources: http://www.nature.com/ncomms/2015/151110/ncomms9791/full/ncomms9791.html http://www.ibtimes.co.uk/algae-genetically-engineered-kill-90-cancer-cells-without-harming-healthy-ones-1528038 http://www.livestrong.com/article/123423-chemotherapy-drugs-kill-cancer-cells/ http://www.ncbi.nlm.nih.gov/pubmedhealth/PMH0072611/ http://www.kinderkrebsinfo.de/patients/therapy/methods_of_treatment/pohkinderkrebsinfochemotherapie/cytostatic_agents/mode_of_action/index_eng.html http://www.oscarfish.com/article-home/water/82-diatoms.html http://book.bionumbers.org/how-quickly-do-different-cells-in-the-body-replace-themselves/

Some athletes swear by pickle juice and bananas, but how do they help? Quick Questions explains! ---------- Dooblydoo thanks go to the following Patreon supporters -- we couldn't make SciShow without them! Shout out to Justin Ove, Chris Peters, John Szymakowski, Peso255, Fatima Iqbal, Justin Lentz, and David Campos. ---------- Like SciShow? Want to help support us, and also get things to put on your walls, cover your torso and hold your liquids? Check out our awesome products over at DFTBA Records: http://dftba.com/scishow Or help support us by becoming our patron on Patreon: https://www.patreon.com/scishow ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Instagram: http://instagram.com/thescishow Sources: http://www.ncbi.nlm.nih.gov/pubmed/19997012 http://well.blogs.nytimes.com/2010/06/09/phys-ed-can-pickle-juice-stop-muscle-cramps/ http://journals.plos.org/plosone/article?id=10.1371/journal.pone.0037479 http://www.huffingtonpost.co.uk/2012/05/30/diet-bananas-boost-sports-perfermance_n_1555441.html http://www.smithsonianmag.com/science-nature/a-spoonful-of-pickle-juicehelps-muscle-cramps-go-down-30137937/?no-ist http://www.boston.com/lifestyle/food/articles/2009/06/22/athletes_resort_to_pickle_juice_and_other_odd_foods_to_boost_performance/?page=2 http://www.medicaldaily.com/bananas-are-just-good-sports-drinks-240631 http://www.livestrong.com/article/493009-what-role-does-potassium-play-in-muscle-contraction/

Be careful with your wool. Unless you want a nice piece of felt with some holes in it. Hosted by: Hank Green Want to watch these episodes early? Check us out @ Patreon! ---------- Dooblydoo thanks go to the following Patreon supporters -- we couldn't make SciShow without them! Shout out to Justin Ove, John Szymakowski, Fatima Iqbal, Justin Lentz, David Campos, and Chris Peters. ---------- Like SciShow? Want to help support us, and also get things to put on your walls, cover your torso and hold your liquids? Check out our awesome products over at DFTBA Records: http://dftba.com/scishow Or help support us by becoming our patron on Patreon: https://www.patreon.com/scishow ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Instagram: http://instagram.com/thescishow Sources:

Mosquitoes transmit a number of terrible diseases like malaria, West Nile virus, and the Zika virus, but why not the flu? Hosted by: Hank Green ---------- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow ---------- Dooblydoo thanks go to the following Patreon supporters -- we couldn't make SciShow without them! Shout out to Justin Ove, Accalia Elementia, Kathy & Tim Philip, Kevin Bealer, Justin Lentz, Fatima Iqbal, Thomas J., Chris Peters, Tim Curwick, Lucy McGlasson, Andreas Heydeck, Will and Sonja Marple, Mark Terrio-Cameron, Charles George, Christopher Collins, and Patrick D. Ashmore. ---------- Like SciShow? Want to help support us, and also get things to put on your walls, cover your torso and hold your liquids? Check out our awesome products over at DFTBA Records: http://dftba.com/scishow ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Instagram: http://instagram.com/thescishow ---------- Sources: http://cmr.asm.org/content/18/4/608.full https://www.niaid.nih.gov/topics/Malaria/Pages/lifecycle.aspx http://www.who.int/features/qa/10/en/ http://www.mosquito.org/mosquito-borne-diseases http://www.cdc.gov/zika/about/index.html

SciShow Talk Show: where Hank talks to interesting people about interesting things! In this episode Hank and Collections Manager Kallie Moore talk ancient life, careers in science, and dragons. Check out the collection Kallie Moore manages at: http://hs.umt.edu/paleo/ and Jessi and Animal Wonders at: https://www.youtube.com/user/Anmlwndrs ---------- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow ---------- Dooblydoo thanks go to the following Patreon supporters -- we couldn't make SciShow without them! Shout out to Justin Ove, Fatima Iqbal, Linnea Boyev, Kathy & Tim Philip, Kevin Bealer, Justin Lentz, Chris Peters, and Philippe von Bergen. ---------- Like SciShow? Want to help support us, and also get things to put on your walls, cover your torso and hold your liquids? Check out our awesome products over at DFTBA Records: http://dftba.com/scishow ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Instagram: http://instagram.com/thescishow ---------- Sources:

What if you could just drop your kids off at someone else’s place and let them have the responsibility? Well, there are some animals that do just that. They’re called brood parasites, and they lay their eggs in other animals’ nests and let them do all of the hard work. Hosted by: Michael Aranda ---------- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow ---------- Dooblydoo thanks go to the following Patreon supporters -- we couldn't make SciShow without them! Shout out to Kathy & Tim Philip, Kevin Bealer, Andreas Heydeck, Thomas J., Accalia Elementia, Will and Sonja Marple. James Harshaw, Justin Lentz, Chris Peters, Bader AlGhamdi, Benny, Tim Curwick, Philippe von Bergen, Patrick Merrithew, Fatima Iqbal, Mark Terrio-Cameron, Patrick D. Ashmore, and charles george. ---------- Like SciShow? Want to help support us, and also get things to put on your walls, cover your torso and hold your liquids? Check out our awesome products over at DFTBA Records: http://dftba.com/scishow ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Instagram: http://instagram.com/thescishow ---------- Sources: Olfactory cues in host nest detection by the social parasite Polistes sulcifer (Hymenoptera, Vespidae) Fast Growth of Immature Brood in a Social Parasite Wasp: A Convergent Evolution between Avian and Insect Cuckoos Reproductive caste determination in eusocial wasps (Hymenoptera: Vespidae) The Brilliant Ways Parasitic Birds Terrorize Their Victims Cuckoos in raptors' clothing: barred plumage illuminates a fundamental principle of Batesian mimicry Cuckoos use mafia-style tactics to raise young Neighbourhood watch and more: how reed warblers watch out when there’s a cuckoo about Alloparental care in fishes To Beat a Parasite, Birds Teach Their Young a Secret Password Images: https://en.wikipedia.org/wiki/Synodontis_multipunctatus#/media/File:Synodontis_multipunctatus_J._Green.jpg https://commons.wikimedia.org/wiki/File:Cichlidae_-_Cyphotilapia_frontosa.JPG https://en.wikipedia.org/wiki/Cichlid#/media/File:Cyphotilapia_frontosa_mouthbrooding.jpg https://en.wikipedia.org/wiki/Polistes_sulcifer#/media/File:Yellow_Paper_Wasp.jpg https://en.wikipedia.org/wiki/Common_cuckoo#/media/File:European_Cuckoo_Mimics_Sparrowhawk.jpg https://en.wikipedia.org/wiki/Honeyguide#/media/File:Wahlberg%27s_Honeyguide_(Prodotiscus_regulus)_-_Juvenile_fed_by_host_parent_Rock-loving_Cisticola.jpg https://en.wikipedia.org/wiki/Red-faced_cisticola#/media/File:Red-faced_Cisticola_(Cisticola_erythrops).jpg https://en.wikipedia.org/wiki/Eurasian_reed_warbler#/media/File:Acrocephalus_scirpaceus_Vlaskop_cropped.jpg https://en.wikipedia.org/wiki/Superb_fairywren#/media/File:Female_superb_fairy_wren-edit1.jpg

Does the sound of someone eating make your skin crawl with disgust? Does the sound of someone typing on a keyboard really get on your nerves? Join us to find out why noises like these can really get under some people's skin! Hosted by: Michael Aranda ---------- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow ---------- Dooblydoo thanks go to the following Patreon supporters -- we couldn't make SciShow without them! Shout out to Kathy & Tim Philip, Kevin Bealer, Andreas Heydeck, Thomas J., Accalia Elementia, Will and Sonja Marple. James Harshaw, Justin Lentz, Chris Peters, Bader AlGhamdi, Benny, Tim Curwick, Philippe von Bergen, Patrick Merrithew, Fatima Iqbal, Mark Terrio-Cameron, Patrick D. Ashmore, and charles george. ---------- Like SciShow? Want to help support us, and also get things to put on your walls, cover your torso and hold your liquids? Check out our awesome products over at DFTBA Records: http://dftba.com/scishow ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Instagram: http://instagram.com/thescishow ---------- Sources: http://www.misophonia.com/symptoms-triggers/ http://well.blogs.nytimes.com/2015/02/23/please-stop-making-that-noise/?_r=0 https://www.washingtonpost.com/national/health-science/misophonia-is-a-newly-identified-condition-for-people-hypersensitive-to-sound/2014/12/01/7c392782-69ba-11e4-a31c-77759fc1eacc_story.html http://nymag.com/scienceofus/2016/05/what-it-s-like-to-be-unable-to-bear-the-sound-of-someone-eating.html http://www.sensehaven.com/sound-triggers.html http://www.audiology.org/sites/default/files/resources/misophonia.pdf http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3553052/ https://www.dovepress.com/misophonia-current-perspectives-peer-reviewed-article-NDT https://www.thieme-connect.de/DOI/DOI?10.1055/s-0034-1372525 http://journal.frontiersin.org/article/10.3389/fnhum.2013.00296/full http://journals.plos.org/plosone/article?id=10.1371/journal.pone.0054706 http://psyct.psychopen.eu/article/view/132/html

It’s summertime and people are out camping, barbecuing, and using FIRE! But what’s a better fuel to use for your summer activities? Wood or charcoal? There are pros and cons to both fuels, so check out this episode of SciShow to decide for yourself! Hosted by: Hank Green ---------- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow ---------- Dooblydoo thanks go to the following Patreon supporters -- we couldn't make SciShow without them! Shout out to Kathy & Tim Philip, Kevin Bealer, Andreas Heydeck, Thomas J., Accalia Elementia, Will and Sonja Marple. James Harshaw, Justin Lentz, Chris Peters, Bader AlGhamdi, Benny, Tim Curwick, Philippe von Bergen, Patrick Merrithew, Fatima Iqbal, Mark Terrio-Cameron, Patrick D. Ashmore, and charles george. ---------- Like SciShow? Want to help support us, and also get things to put on your walls, cover your torso and hold your liquids? Check out our awesome products over at DFTBA Records: http://dftba.com/scishow ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Instagram: http://instagram.com/thescishow ---------- Sources: http://science.howstuffworks.com/environmental/earth/geophysics/fire1.htm http://www.planete-energies.com/en/medias/close/wood-source-thermal-energy http://www.ipst.gatech.edu/faculty/ragauskas_art/technical_reviews/chemical%20overview%20of%20wood.pdf https://web.anl.gov/PCS/acsfuel/preprint%20archive/Files/32_2_DENVER_04-87_0036.pdf http://virtual.vtt.fi/virtual/innofirewood/stateoftheart/database/burning/burning.html http://www.heartheat.com/flameworksOLD/index_WoodComb.htm http://www.sciencedirect.com/science/article/pii/S001623610600490X http://www.fao.org/docrep/s4550e/s4550e09.htm http://www.greenpeace.org/international/Global/international/publications/forests/2012/Amazon/423-Driving-Destruction-in-the-Amazon.pdf http://www.fao.org/3/a-i5134e.pdf http://www.carbonbrief.org/is-burning-wood-for-energy-worse-for-the-climate-than-coal Images: Charcoal: https://www.flickr.com/photos/toasty/2643569674 Firewood: https://commons.wikimedia.org/wiki/File:Stack_of_firewood.jpg Glucose: https://commons.wikimedia.org/wiki/File:D-glucose-chain-3D-balls.png Cellulose: https://commons.wikimedia.org/wiki/File:Cellulose-Ibeta-from-xtal-2002-3D-balls.png Deforestation: https://commons.wikimedia.org/wiki/File:Deforestation_2074483b.jpg

Be the hit of your party and learn how to pour the perfect beer-- (with the additional party trick of knowing the chemistry behind why, of course!) We'd like to give a special thank you to Draught Works Brewery for letting us film their beer pouring techniques. https://www.facebook.com/DraughtWorks/?fref=ts Hosted by: Hank Green ---------- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow ---------- Dooblydoo thanks go to the following Patreon supporters -- we couldn't make SciShow without them! Shout out to Patrick Merrithew, Will and Sonja Marple, Thomas J., Kevin Bealer, Chris Peters, charles george, Kathy & Tim Philip, Tim Curwick, Bader AlGhamdi, Justin Lentz, Patrick D. Ashmore, Mark Terrio-Cameron, Benny, Fatima Iqbal, Accalia Elementia, Kyle Anderson, and Philippe von Bergen. ---------- Like SciShow? Want to help support us, and also get things to put on your walls, cover your torso and hold your liquids? Check out our awesome products over at DFTBA Records: http://dftba.com/scishow ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Instagram: http://instagram.com/thescishow ---------- Sources: http://www-personal.umich.edu/~youxue/publications/Zhang2008Elements.pdf http://pubs.acs.org/subscribe/archive/tcaw/10/i12/html/12filmore.html http://food-hacks.wonderhowto.com/how-to/beer-science-pour-perfect-glass-beer-every-single-time-0150843/ http://www.tastingbeers.com/school/beer_production/12009207.html http://pubs.acs.org/stoken/presspac/presspac/full/10.1021/jf101239w

If most people got on a skateboard, they would roll forward slowly for a few feet, then fall down and break their wrists. But there are a proud few who can do some pretty amazing tricks on a board, and they use physics to pull them off. Today we're going to learn about the most humble of tricks, the ollie. Hosted by: Michael Aranda ---------- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow ---------- Dooblydoo thanks go to the following Patreon supporters -- we couldn't make SciShow without them! Shout out to Patrick Merrithew, Will and Sonja Marple, Thomas J., Kevin Bealer, Chris Peters, charles george, Kathy & Tim Philip, Tim Curwick, Bader AlGhamdi, Justin Lentz, Patrick D. Ashmore, Mark Terrio-Cameron, Benny, Fatima Iqbal, Accalia Elementia, Kyle Anderson, and Philippe von Bergen. ---------- Like SciShow? Want to help support us, and also get things to put on your walls, cover your torso and hold your liquids? Check out our awesome products over at DFTBA Records: http://dftba.com/scishow ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Instagram: http://instagram.com/thescishow ---------- Sources: References http://www.real-world-physics-problems.com/physics-of-skateboarding.html http://www.exo.net/~pauld/Skateboard/ollie_physics.html http://www.exploratorium.edu/skateboarding/trick02.html http://www.wired.com/2014/10/skateboard-physics-empzeal/ http://wonderopolis.org/wonder/how-do-you-ollie http://www.olliebook.com/appendix/ollie-physics-and-science/ Images https://en.wikipedia.org/wiki/File:Ollie_skateboarding_trick.jpg

With sandwiches and toast, sourdough bread always adds an extra accented flavor to your meals. But where does the signature tartness come from? Hosted by: Michael Aranda ---------- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow ---------- Dooblydoo thanks go to the following Patreon supporters -- we couldn't make SciShow without them! Shout out to Patrick Merrithew, Will and Sonja Marple, Thomas J., Kevin Bealer, Chris Peters, charles george, Kathy & Tim Philip, Tim Curwick, Bader AlGhamdi, Justin Lentz, Patrick D. Ashmore, Mark Terrio-Cameron, Benny, Fatima Iqbal, Accalia Elementia, Kyle Anderson, and Philippe von Bergen. ---------- Like SciShow? Want to help support us, and also get things to put on your walls, cover your torso and hold your liquids? Check out our awesome products over at DFTBA Records: http://dftba.com/scishow ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Instagram: http://instagram.com/thescishow ---------- Sources: http://www.npr.org/templates/story/story.php?storyId=6061648 http://www.npr.org/sections/thesalt/2012/03/07/148120591/into-the-wild-science-of-sourdough-bread-making http://discovermagazine.com/2003/sep/featscienceof https://www.exploratorium.edu/cooking/bread/recipe-sourdough.html http://www.nytimes.com/2016/03/23/dining/sourdough-starter-bread-baking.html http://viking.lkstevens.wednet.edu/cms/lib03/WA01001468/Centricity/Domain/824/htbchapter3%20yeast.pdf http://comenius.susqu.edu/biol/312/lactobacillussanfranciscoakeysourdoughlacticacidbacteriumareview.pdf http://www.ncbi.nlm.nih.gov/pmc/articles/PMC377202/ http://www.ncbi.nlm.nih.gov/pmc/articles/PMC377203/