Be Smart.

Joe Hanson
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We give you deep answers to simple questions about science and the rest of the universe. And also dad jokes. Be Smart is hosted by Joe Hanson, PhD. He's a molecular biologist and an award-winning science communicator and journalist

  1. -54 МИН

    Are We All Related?

    Viewers like you help make PBS (Thank you 😃) . Support your local PBS Member Station here: https://to.pbs.org/PBSDSDonate This is part 3 of our special series on Human Ancestry! Watch the entire series here ►► http://bit.ly/OKTBSHuman ↓↓↓More info and sources below ↓↓↓ In part 3 of our special series on human ancestry, we investigate how closely related we all really are. Basic math tells us that all humans share ancestors. But you’ll be amazed at how recently those shared ancestors lived. Thanks to genetic data in the 21st century, we’re even discovering that we really are all descended from one mother. ----------- REFERENCES: Chang, Joseph T. "Recent common ancestors of all present-day individuals." Advances in Applied Probability 31.04 (1999): 1002-1026. Jorde, Lynn B. "Genetic variation and human evolution." (2003). Rohde, Douglas LT. "On the common ancestors of all living humans." (2003) Rohde, Douglas LT, Steve Olson, and Joseph T. Chang. "Modelling the recent common ancestry of all living humans." Nature 431.7008 (2004): 562-566. Stringer, Chris. “Lone survivors: How we came to be the only humans on earth.” Macmillan, 2012. http://amzn.to/2oIFg3q (Library: http://www.worldcat.org/oclc/855581724) Tattersall, Ian. “Masters of the planet: the search for our human origins.” Macmillan, 2012. http://amzn.to/2pOZrKS (Library: http://www.worldcat.org/oclc/733231407) ----------- FOLLOW US: Merch: https://store.dftba.com/collections/its-okay-to-be-smart Facebook: http://www.facebook.com/itsokaytobesmart Twitter: @okaytobesmart @DrJoeHanson Tumblr: http://www.itsokaytobesmart.com Instagram: @DrJoeHanson Snapchat: YoDrJoe ----------- It’s Okay To Be Smart is hosted by Joe Hanson, Ph.D. Director: Joe Nicolosi Writer: Joe Hanson Producer/editor/animator: Andrew Matthews Producer: Stephanie Noone and Amanda Fox Produced by PBS Digital Studios Music via APM Stock images from Shutterstock http://www.shutterstock.com Learn more about your ad choices. Visit megaphone.fm/adchoices

    8 мин.
  2. The Science of GOATS!

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    The Science of GOATS!

    Yep. Goats! ↓ More info and sources below ↓ Viewers like you help make PBS (Thank you 😃) . Support your local PBS Member Station here: https://to.pbs.org/PBSDSDonate Who are those people in the intro? Say hi to Joe Nicolosi (director) and Katie Graham (camera)! Goat field of vision: http://blogs.lifeandscience.org/keepers/tag/pupil/ Goat pupil shape: http://www.journalofvision.org/content/13/9/607.short Radiolab story about a goat on a cow: http://www.radiolab.org/story/224292-behind-goat/ "Fainting goat" syndrome: http://en.wikipedia.org/wiki/Myotonia_congenita Goats have "accents": http://www.thedailybeast.com/cheats/2012/02/16/study-goats-have-accents.html Goat tastebuds: http://bit.ly/1zFxhiY Goat diet: http://en.wikipedia.org/wiki/Goat#Diet How goats climb so well: http://www.asknature.org/strategy/719058a39eea5af7f763bacda7c64ab4#.U_KPLbxdWm8 Billy Whiskers: http://www.childrensbooksonline.org/Billy_Whiskers/pages/001_Billy_Whiskers.htm In case you're curious, the star cluster in the thumbnail is Messier 30, which is in the Capricorn constellation, because goats. Joe Hanson - Host and writer Joe Nicolosi - Director Amanda Fox - Producer, Spotzen IncKate Eads - Associate Producer Katie Graham - Camera Editing/Motion Graphics - Andrew Matthews Gaffer - John Knudsen/Philip Sheldon Theme music: "Ouroboros" by Kevin MacLeod Stock images via Shutterstock Produced for PBS Digital Studios ----------- Join us on Patreon! https://patreon.com/itsokaytobesmart Twitter http://www.twitter.com/DrJoeHanson http://www.twitter.com/okaytobesmart Instagram http://www.instagram.com/DrJoeHanson http://www.instagram.com/okaytobesmart Merch https://store.dftba.com/collections/its-okay-to-be-smart Facebook https://www.facebook.com/itsokaytobesmartpbs/​ Learn more about your ad choices. Visit megaphone.fm/adchoices

    5 мин.
  3. When Science FICTION Turns Into Science FACT!

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    When Science FICTION Turns Into Science FACT!

    PBS Member Stations rely on viewers like you. To support your local station, go to: http://to.pbs.org/DonateOKAY ↓ More info and sources below ↓ Why is some science fiction so good at predicting actual science? Don’t miss our next video! SUBSCRIBE! ►► http://bit.ly/iotbs_sub Do Ray Bradbury, Arthur C. Clarke, Jules Verne, Philip K. Dick, Hugo Gernsback, Robert Heinlein, or Isaac Asimov hold a candle to H.G. Wells when it comes to correctly predicting the future of science via science fiction? And why does some science fiction do such a good job of predicting the future in the first place? Check out these other great H.G. Wells-inspired videos from our PBS friends: PBS Idea Channel: "What Is Fiction?" PBS Digital Studios/James W. Griffiths: "A Solitary World" http://www.youtube.com/watch?v=yWJKLYcypz8 Fun links to dig deeper: Arthur C. Clarke's 1945 article "Extra Terrestrial Relays" http://lakdiva.org/clarke/1945ww/ Isaac Asimov's 1964 World's Fair predictions: http://www.nytimes.com/books/97/03/23/lifetimes/asi-v-fair.html Mouse memory "implantation": http://wapo.st/Md1gN3 Ray Bradbury hanging with Arthur C. Clarke and Carl Sagan: http://www.youtube.com/watch?v=hyst-D-1ssk Isaac Asimov talks to Bill Moyers Part 1: http://www.youtube.com/watch?v=1CwUuU6C4pk Isaac Asimov talks to Bill Moyers Part 2: http://www.youtube.com/watch?v=CJAIERgWhZQ Music: "Ourobouros" by Kevin MacLeod "Opening Theme A" by Kevin MacLeod Joe Hanson - Host and writer Joe Nicolosi - Director Amanda Fox - Producer, Spotzen IncKate Eads - Associate Producer Katie Graham - Director of Photography Andrew Matthews - Editor and motion graphics John Knudsen - Gaffer Isaac Hammons - Sound Produced for PBS Digital Studios ----------- Join us on Patreon! https://patreon.com/itsokaytobesmart Twitter http://www.twitter.com/DrJoeHanson http://www.twitter.com/okaytobesmart Instagram http://www.instagram.com/DrJoeHanson http://www.instagram.com/okaytobesmart Merch https://store.dftba.com/collections/its-okay-to-be-smart Facebook https://www.facebook.com/itsokaytobesmartpbs/ Learn more about your ad choices. Visit megaphone.fm/adchoices

    10 мин.
  4. How The Toilet Transformed History

    -3 Ч

    How The Toilet Transformed History

    Viewers like you help make PBS (Thank you 😃) . Support your local PBS Member Station here: https://to.pbs.org/PBSDSDonate This video was supported by Bill and Melinda Gates. You can check out the Gates Annual Letter here: http://b-gat.es/2lhhtmJ. ↓ More info and sources below ↓ We’re proud to collaborate with Bill and Melinda Gates for this week’s video! It may sometimes seem like things are getting worse, but there’s lots of reasons to be optimistic about the future. More people have access to toilets and sanitation than ever before. Thanks to public health improvements like this, since 1990, 122 million children’s lives have been saved. Diseases like polio are nearing eradication. Women have more access to health care and education than ever before. But our work is not done. How can YOU help make the future better for the world’s poorest? SPECIAL THANKS: Bill and Melinda Gates Francisco de los Reyes (watch his TED talk: https://www.ted.com/talks/francis_de_los_reyes_sanitation_is_a_basic_human_right#t-303612) ----------- LEARN MORE: George, Rose. “The Big Necessity: The unmentionable world of human waste and why it matters.” 2008. Perdew, Laura. “How the Toilet Changed History” 2016. Ferriman, A. (2007). BMJ readers choose the “sanitary revolution” as greatest medical advance since 1840. BMJ : British Medical Journal, 334(7585), 111. http://doi.org/10.1136/bmj.39097.611806.DB CDC Global WASH statistics: https://www.cdc.gov/healthywater/global/wash_statistics.html WHO Toilet/Sanitation Fact Sheet: http://www.who.int/mediacentre/factsheets/fs392/en/ WaterAid “We Can’t Wait”: http://www.wateraid.org/what-we-do/our-approach/research-and-publications/view-publication?id=a5ab0a96-1574-4225-a16a-75d5e5ec4232 Unilever “Toilets for Health” https://www.unilever.com/Images/sd_toilets-for-health-141113_tcm13-387337_tcm244-409783_1_en.pdf ----------- FOLLOW US: Merch: https://store.dftba.com/collections/its-okay-to-be-smart Facebook: http://www.facebook.com/itsokaytobesmart Twitter: @okaytobesmart @DrJoeHanson Tumblr: http://www.itsokaytobesmart.com Instagram: @DrJoeHanson Snapchat: YoDrJoe ----------- It’s Okay To Be Smart is hosted by Joe Hanson, Ph.D. Director: Joe Nicolosi Writer: Joe Hanson Editor/animator: Andrew Orsak Producer: Stephanie Noone and Amanda Fox Produced by PBS Digital Studios Music via APM Stock images from Shutterstock http://www.shutterstock.com Learn more about your ad choices. Visit megaphone.fm/adchoices

    9 мин.
  5. What's The Most Dangerous Animal On Earth?

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    What's The Most Dangerous Animal On Earth?

    Besides humans, of course. ↓ More info and sources below ↓ Viewers like you help make PBS (Thank you 😃) . Support your local PBS Member Station here: https://to.pbs.org/PBSDSDonate Subscribe to It's Okay To Be Smart: http://bit.ly/iotbs_sub Gates Foundation info on the world's deadliest animal, mosquitoes: http://www.gatesnotes.com/Health/Most-Lethal-Animal-Mosquito-Week Bill Gates' TED talk on malaria and education: http://ed.ted.com/lessons/mosquitos-malaria-and-education-bill-gates Meet the people who are trying to eradicate Dengue mosquitoes using bioengineering: http://www.radiolab.org/story/kill-em-all/ Why do mosquitoes bite some people more than others? http://www.smithsonianmag.com/science-nature/why-do-mosquitoes-bite-some-people-more-than-others-10255934/ FULL close-up video of a mosquito biting: http://phenomena.nationalgeographic.com/2013/08/06/heres-what-happens-inside-you-when-a-mosquito-bites/ Why don't we just kill all the mosquitoes? http://www.theatlantic.com/health/archive/2013/07/why-dont-we-just-kill-all-the-mosquitoes/277859/ http://www.nature.com/news/2010/100721/full/466432a.html Half of all people may have been killed by malaria: http://www.nytimes.com/1990/07/17/science/parasites-take-the-biological-spotlight.html Mosquitoes just hate the smell of DEET: http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2518096/ Joe Hanson - Host and writer Joe Nicolosi - Director Amanda Fox - Producer, Spotzen IncKate Eads - Associate Producer Katie Graham - Camera Editing/Motion Graphics - Andrew Matthews Gaffers - John Knudsen/Philip Sheldon Intern - Dalton Allen Theme music: "Ouroboros" by Kevin MacLeod Stock images via Shutterstock Produced for PBS Digital Studios ----------- Join us on Patreon! https://patreon.com/itsokaytobesmart Twitter http://www.twitter.com/DrJoeHanson http://www.twitter.com/okaytobesmart Instagram http://www.instagram.com/DrJoeHanson http://www.instagram.com/okaytobesmart Merch https://store.dftba.com/collections/its-okay-to-be-smart Facebook https://www.facebook.com/itsokaytobesmartpbs/ Learn more about your ad choices. Visit megaphone.fm/adchoices

    7 мин.
  6. What Are The Most Significant Science Images Ever?

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    What Are The Most Significant Science Images Ever?

    PBS Member Stations rely on viewers like you. To support your local station, go to: http://to.pbs.org/DonateOKAY ↓ More info and sources below ↓ One picture can change the world! Don’t miss our next video! SUBSCRIBE! ►► http://bit.ly/iotbs_sub Science isn't always a visual medium, but I think it's most important moments have often been captured in photos and illustrations. I picked out some of my favorite science images from history. John Barrow's book "Cosmic Imagery" http://amzn.to/1hP80PY Nicolaus Copernicus' "De Revolutionibus Orbium Coelestium" http://bit.ly/1o3uESj Robert Hooke's "Micrographia" http://bit.ly/1ppce1V 1919 Eclipse http://bit.ly/1ljaoiq Watson & Crick's "A Structure for Deoxyribose Nucleic Acid" http://bit.ly/1fp2r92 Hubble eXtreme Deep Field http://1.usa.gov/1hukqIz Apollo 8 "Earthrise" http://bit.ly/1mwaIss Music: "Ouroboros" by Kevin MacLeod "Kitten" by Podington Bear "Wonder" by Podington Bear Created by Joe Hanson Produced for PBS Digital Studios ----------- Join us on Patreon! https://patreon.com/itsokaytobesmart Twitter http://www.twitter.com/DrJoeHanson http://www.twitter.com/okaytobesmart Instagram http://www.instagram.com/DrJoeHanson http://www.instagram.com/okaytobesmart Merch https://store.dftba.com/collections/its-okay-to-be-smart Facebook https://www.facebook.com/itsokaytobesmartpbs/ Learn more about your ad choices. Visit megaphone.fm/adchoices

    10 мин.
  7. Where Does That Rainy Smell Originate From?

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    Where Does That Rainy Smell Originate From?

    I smell a science storm a-comin'!! ↓ More info and sources below ↓ Viewers like you help make PBS (Thank you 😃) . Support your local PBS Member Station here: https://to.pbs.org/PBSDSDonate Subscribe to It's Okay To Be Smart: http://bit.ly/iotbs_sub References: "Nature of Argillaceous Odor" (1964) http://www.nature.com/nature/journal/v201/n4923/abs/201993a0.html "Petrichor and Plant Growth" (1965) http://www.nature.com/nature/journal/v207/n5004/abs/2071415a0.html Human nose can detect a trillion smells http://news.sciencemag.org/biology/2014/03/human-nose-can-detect-trillion-smells Petrichor and fish spawning http://onlinelibrary.wiley.com/doi/10.1111/j.1095-8649.1974.tb04518.x/abstract Camels seek out wet soil smells http://www.theguardian.com/science/2003/mar/06/science.research Chemistry of petrichor: http://cen.acs.org/articles/91/i18/Scent-Rain-Strands-Honey.html http://www.itsokaytobesmart.com/post/85815194542/compoundchem-the-third-graphic-in-the-aroma http://www.scientificamerican.com/article/storm-scents-smell-rain/ Joe Hanson - Host and writer Joe Nicolosi - Director Amanda Fox - Producer, Spotzen IncKate Eads - Associate Producer Katie Graham - Camera Editing/Motion Graphics - Andrew Matthews Gaffer - John Knudsen Theme music: "Ouroboros" by Kevin MacLeod Stock images via Shutterstock Produced for PBS Digital Studios ----------- Join us on Patreon! https://patreon.com/itsokaytobesmart Twitter http://www.twitter.com/DrJoeHanson http://www.twitter.com/okaytobesmart Instagram http://www.instagram.com/DrJoeHanson http://www.instagram.com/okaytobesmart Merch https://store.dftba.com/collections/its-okay-to-be-smart Facebook https://www.facebook.com/itsokaytobesmartpbs/ Learn more about your ad choices. Visit megaphone.fm/adchoices

    4 мин.
  8. Can a Billion Oysters Rescue New York City?

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    Can a Billion Oysters Rescue New York City?

    Heroes on the half shell… Oyster power? SUBSCRIBE so you don’t miss a video! ►► http://bit.ly/iotbs_sub ↓↓↓ More info and sources below ↓↓↓ When people picture New York City they see skyscrapers, subways, and a concrete jungle. But the Big Apple is really a seaside city built on an archipelago. In the wake of a century of industrial pollution and climate change-fueled superstorms like Hurricane Sandy, New York’s waterways need help. Learn how Billion Oyster Project is working to restore one of the world’s greatest lost ecosystems in order to clean up New York’s water and protect it from an uncertain climate future. Learn more about Billion Oyster Project: https://www.billionoysterproject.org/ Join our Patreon community: https://www.patreon.com/itsokaytobesmart ----------- High fives to all our Brain Trust Patrons: Ed Eyden Jennifer Burton Charles Horton, Jr Holly, Brett, and Ashe Bullion Jaap Westera Mehdi Damou Barbora Bei Burt Humburg dani bowman David Johnston Baerbel Winkler Eric Meer Karen Haskell Join us on Patreon! https://patreon.com/itsokaytobesmart Twitter http://www.twitter.com/okaytobesmart Instagram http://www.instagram.com/DrJoeHanson http://www.instagram.com/okaytobesmart Merch https://store.dftba.com/collections/its-okay-to-be-smart Facebook https://www.facebook.com/itsokaytobesmartpbs/ Learn more about your ad choices. Visit megaphone.fm/adchoices

    17 мин.
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We give you deep answers to simple questions about science and the rest of the universe. And also dad jokes. Be Smart is hosted by Joe Hanson, PhD. He's a molecular biologist and an award-winning science communicator and journalist

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  • Автор
    Joe Hanson
  • Годы выхода
    2 тыс.
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    209