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Be Smart.

Podcast door Joe Hanson

Engels

Technologie en Wetenschap

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Over Be Smart.

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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204 afleveringen

aflevering The Science of Ice Crystals artwork

The Science of Ice Crystals

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 ↓ You are a beautiful and curious snowflake. SUBSCRIBE, it's FREE! http://bit.ly/iotbs_sub Snowflakes are infinitely beautiful, but are they infinitely unique? Here's all the science behind Earth's favorite cold crystal. More reading: Wilson Bentley, The Snowflake Man of Vermont http://publicdomainreview.org/2011/02/14/the-snowflake-man-of-vermont/ Kenneth Libbrecht's SnowCrystals website (the definitive snow science page on the internet): http://www.its.caltech.edu/~atomic/snowcrystals/ The true shape of snowflakes: http://news.sciencemag.org/environment/2013/04/scienceshot-true-shape-snowflakes?rss=1 Timeline of snowflake research: http://en.wikipedia.org/wiki/Timeline_of_snowflake_research Interactive water crystal packing (Firefox is best) http://www.edinformatics.com/interactive_molecules/ice.htm The case of two identical snowflakes: http://www.livescience.com/1239-scientist-snowflakes-alike.html 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 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 [https://megaphone.fm/adchoices]

23 mei 2026 - 7 min
aflevering Visiting Earth's Biggest Bat Colony! artwork

Visiting Earth's Biggest Bat Colony!

Check out the largest gathering of mammals on Earth! 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 Visit Bat Conservation International to learn more about these amazing species and what we can do to protect them: http://batcon.org/ Thanks to Dr. Sharon Swartz and Dr Kenny Breuer from Brown University for use of their wind tunnel footage: http://www.brown.edu/Departments/EEB/EML/ Mexican free-tailed bats hunt at higher altitudes than any other bat: http://bit.ly/10e5Zpe Doppler radar shows bats intercepting the moth invasion: http://www.youtube.com/watch?v=mvENxTke4Sc Dr. Aaron Corcoran's research on moths jamming bat echolocation (plus VIDEOS!) http://www.sonarjamming.com/ Rainforest regrowth and seed dispersal by bats: http://bit.ly/1nzOBpN Some bats are able to create lift more efficiently than birds: http://www.livescience.com/1245-bats-efficient-flyers-birds.html White nose syndrome: http://en.wikipedia.org/wiki/White_nose_syndrome Produced for PBS Digital Studios Joe Hanson - Host and writer Joe Nicolosi - Director Amanda Fox - Producer, Spotzen IncKate Eads - Associate Producer Katie Graham - Director of Photography Andrew Matthews - Editing/Motion Graphics John Knudsen - Gaffer Dalton Allen - Post-production Intern Theme music: "Ouroboros" by Kevin MacLeod Stock images via Shutterstock ----------- 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 [https://megaphone.fm/adchoices]

23 mei 2026 - 5 min
aflevering Ask Joe Questions #2 artwork

Ask Joe Questions #2

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 ↓ You have questions, I have answers! Richard Feynman - Fun To Imagine (playlist): http://www.youtube.com/watch?v=v3pYRn5j7oI&list=PL2D30B1DEFFDA0310 Mapping a zombie apocalypse to model disease outbreaks: https://medium.com/the-physics-arxiv-blog/61661d6ae9c People can't tell the difference between smell of Parmesan and vomit: http://www.rachelherz.com/uploads/Odor_Illusions.pdf Check out Ask Joe #1: http://www.youtube.com/watch?v=wkSpmTvCRJA 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 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 [https://megaphone.fm/adchoices]

23 mei 2026 - 5 min
aflevering This Was the Most Pivotal Moment in the History of Life artwork

This Was the Most Pivotal Moment in the History of Life

Viewers like you help make PBS (Thank you 😃) . Support your local PBS Member Station here: https://to.pbs.org/PBSDSDonate Get your #ididascience shirt here! http://dftba.com/besmart Tweet this ⇒ http://bit.ly/OKTBSpwr Share on FB ⇒ http://bit.ly/OKTBSpwrFB ↓ More info and sources below ↓ If you want to read more (MUCH more) about this, check out “The Vital Question” by Nick Lane: http://amzn.to/1SntUdG And I really enjoyed this recent episode of Radiolab about this same story: http://www.radiolab.org/story/cellmates/ ---- Have an idea for an episode or an amazing science question you want answered? Leave a comment or check us out at the links below! Like us on Facebook: http://www.facebook.com/itsokaytobesmart Follow on Twitter: http://twitter.com/okaytobesmart http://twitter.com/jtotheizzoe Follow on Tumblr: http://www.itsokaytobesmart.com Follow on Instagram: http://instagram.com/jtotheizzoe Follow on Snapchat: YoDrJoe ----------------- It’s Okay To Be Smart is written and hosted by Joe Hanson, Ph.D. Follow me on Twitter: @jtotheizzoe Produced by PBS Digital Studios: http://www.youtube.com/user/pbsdigitalstudios Music via APM Stock images from SciencePhoto http://www.sciencephoto.com/ and Shutterstock http://www.shutterstock.com Stock footage from Videoblocks (unless otherwise noted) http://www.videoblocks.com Learn more about your ad choices. Visit megaphone.fm/adchoices [https://megaphone.fm/adchoices]

23 mei 2026 - 8 min
aflevering Where Did Zika Emerge From? artwork

Where Did Zika Emerge From?

Viewers like you help make PBS (Thank you 😃) . Support your local PBS Member Station here: https://to.pbs.org/PBSDSDonate Get your Audible trial here: http://audible.com/ok Tweet this video ⇒ http://bit.ly/OKTBSzika1 Share on FB ⇒ http://bit.ly/OKTBSzikaFB ↓ More info and sources below ↓ Get yourself an awesome IOTBS shirt! http://dftba.com/besmart Follow the latest news on Zika: https://www.cdc.gov/zika/ http://www.who.int/emergencies/zika-virus/en/ Special thanks to the following for personal interviews about Zika outbreak: Dr. Peter Hotez - Baylor College of Medicine Dr. Scott Weaver - UT Medical Branch, Galveston Dr. Nikos Vasilakis - UT Medical Branch, Galveston Dr. Dahotra Sarkar - University of Texas at Austin Dr. Alex Wild - University of Texas at Austin Mustapha Debboun - Harris County Mosquito Control References/further reading: Malaria and Rome: A History of Malaria in Ancient Italy - Robert Sallares http://www.worldcat.org/oclc/50747841 Sallares, Robert, and Susan Gomzi. "Biomolecular archaeology of malaria."Ancient Biomolecules 3.3 (2001): 195-213. Sallares, Robert, Abigail Bouwman, and Cecilia Anderung. "The spread of malaria to southern Europe in antiquity: new approaches to old problems."Medical history 48.03 (2004): 311-328. Hotez, Peter J. "Neglected Tropical Diseases in the Anthropocene: The Cases of Zika, Ebola, and Other Infections." PLoS Negl Trop Dis 10.4 (2016): e0004648. Hotez, Peter J. "Blue marble health redux: Neglected tropical diseases and human development in the Group of 20 (G20) nations and Nigeria." PLoS Negl Trop Dis 9.7 (2015): e0003672. Thumbnail image credits: Aedes aegypti mosquito: CDC/ Prof. Frank Hadley Collins, Dir., Cntr. for Global Health and Infectious Diseases, Univ. of Notre Dame Zika virus capsid: Manuel Almagro Rivas, Wikimedia Commons ---- Have an idea for an episode or an amazing science question you want answered? Leave a comment or check us out at the links below! Like us on Facebook: http://www.facebook.com/itsokaytobesmart Follow on Twitter: http://twitter.com/okaytobesmart http://twitter.com/jtotheizzoe Follow on Tumblr: http://www.itsokaytobesmart.com Follow on Instagram: http://instagram.com/jtotheizzoe Follow on Snapchat: YoDrJoe ----------------- It’s Okay To Be Smart is written and hosted by Joe Hanson, Ph.D. Follow me on Twitter: @jtotheizzoe Produced by PBS Digital Studios: http://www.youtube.com/user/pbsdigitalstudios Music via APM Stock images from SciencePhoto http://www.sciencephoto.com/ and Shutterstock http://www.shutterstock.com Stock footage from Videoblocks (unless otherwise noted) http://www.videoblocks.com Learn more about your ad choices. Visit megaphone.fm/adchoices [https://megaphone.fm/adchoices]

23 mei 2026 - 8 min
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