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. 11 ನಿಮಿಷಗಳ ಹಿಂದೆ

    What's The Deadliest Animal In The World?

    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 ನಿ.

  2. 1 ಗಂಟೆ ಹಿಂದೆ

    What Are The Most Important 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

    11 ನಿ.

  3. 2 ಗಂಟೆಗಳ ಹಿಂದೆ

    Where Does the Smell of Rain Come 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 ನಿ.

  4. 3 ಗಂಟೆಗಳ ಹಿಂದೆ

    Can a Billion Oysters Save 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

    18 ನಿ.

  5. 4 ಗಂಟೆಗಳ ಹಿಂದೆ

    What If There Were No Sharks?

    Viewers like you help make PBS (Thank you 😃) . Support your local PBS Member Station here: https://to.pbs.org/PBSDSDonate Follow this link to more shark science videos by your favorite YouTubers!! http://bit.ly/1sugd0z Sharks killed per hour infographic: http://bit.ly/1oXYT0Y An estimated 100 million sharks are killed per year: http://bit.ly/1oE7uRS Palau sharks are worth $2 million: http://nyti.ms/1kX4fua Effect of shark overfishing on reefs: http://bit.ly/1opLhwF Overfishing sharks led to scallop fishery collapse: https://www.sciencemag.org/content/315/5820/1846.short?related-urls=yes&legid=sci;315/5820/1846 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

    6 ನಿ.

  6. 5 ಗಂಟೆಗಳ ಹಿಂದೆ

    How The Elements Got Their Names

    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 ↓ There's a story inside every box! Don’t miss our next video! SUBSCRIBE! ►► http://bit.ly/iotbs_sub Ever wonder what all those names on the periodic table actually mean? There's a whole lot of fascinating history on Mendeleev's table. Some carry names from antiquity, some are named for people, some are named for places, and some are named for mythical beings. Discover the etymology of the elements! If you want to know more about the love, betrayal, and drama behind the periodic table, check out Sam Kean's "The Disappearing Spoon": http://amzn.to/1eVZS8L Music: "Ouroboros" 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 Special thanks to the following for help researching this episode: Sister Mary Virginia Orna, teacher and historian of chemistry Mark Benvenuto, chemist at University of Detroit - Mercy Steven Maguire, chemist at University of Ottawa 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 ನಿ.

  7. 6 ಗಂಟೆಗಳ ಹಿಂದೆ

    What's the Oldest Living Thing?

    Big thank you to Rachel for lending her voice and photos to this episode! 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 "The Oldest Living Things In The World" by Rachel Sussman: Amazon: http://amzn.to/1uZ6wJp Public Library: http://bit.ly/1s2gCnb Species featured in this video: Bristlecone pine: http://bit.ly/1o3zW4p Baobab: http://bit.ly/1qJo6ul Pando: http://bit.ly/1tLlRLU Map lichens: http://bit.ly/WVgoFh Yucca: http://bit.ly/1uZ71my Creosote: http://bit.ly/1xUZrpj Llareta: http://bit.ly/1ANGYPC Black coral: http://bit.ly/1zLWn1s Barrel sponge: http://bit.ly/1opvDjb Posidonia sea grass: http://bit.ly/UVoN9u Pond cypress: http://bit.ly/1okVPY6 "Old Tjikko" spruce: http://bit.ly/1s30eq7 Stromatolites: http://bit.ly/1pyymXs Siberian Actinobacteria: http://bit.ly/1xUZ5yR Joe Hanson - Host and writer Joe Nicolosi - Director Amanda Fox - Producer, Spotzen IncKate Eads - Associate Producer Editing/Motion Graphics - Andrew Matthews Gaffer - John Knudsen Theme music: "Ouroboros" by Kevin MacLeod Stock images via Shutterstock Produced for PBS Digital Studios Unless otherwise indicated, all photos are © Rachel Sussman, used with permission ----------- 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 ನಿ.

  8. 7 ಗಂಟೆಗಳ ಹಿಂದೆ

    The Science of Marathon Running

    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 ↓ I ran one… FOR SCIENCE! Don’t miss our next video! SUBSCRIBE! ►► http://bit.ly/iotbs_sub So maybe we can't outrun cheetahs or antelope, but humans are uniquely adapted for long distance running. What does science have to say about marathon running? To find out, (and because I was feeling a little crazy) I decided to run one! Here's what I discovered about the science of long distance running Endurance running adaptations: http://upload.wikimedia.org/wikipedia/commons/7/7d/Human_Running_Adaptations.png For more on the science and evolution of distance running, from training plans to cellular physiology, check out Tim Noakes' "The Lore of Running" http://amzn.to/1eKYir9 and Christopher McDougall's "Born to Run" http://amzn.to/NnF7wb 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 Music: "Ouroboros" by Kevin MacLeod Other music via APM 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

    9 ನಿ.
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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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