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
Head to http://actnow.climeworks.com/besmart and learn more about removing CO₂ from the air. ↓↓↓ More info and sources below ↓↓↓Uploaded 11-10-22One day around 15,000 years ago, a wall of ice 2,000 feet tall and 30 miles wide suddenly broke wide open, and it unleashed the largest flood that we know of in the history of Earth. Come and hit the road with me as we search for the geologic fingerprints of the Missoula Ice Age Floods, and learn the story of one of the worst natural disasters that’s ever happened!High fives to Nick Zentner for educating me on the geology of Eastern Washington. He makes incredible geology videos on YouTUbe:https://www.youtube.com/user/GeologyNickhttps://www.youtube.com/watch?v=qHaL04gZQwc&list=PL18y1vgsGPLbl3wrSZwUyvkAiUJHZTS5YFollow me to @PBS Eons for more Kallie and more prehistoric adventures: https://www.youtube.com/c/eons SUBSCRIBE so you don’t miss a video! ►► http://bit.ly/iotbs_sub We’re on PATREON! Join the community https://www.patreon.com/itsokaytobesmart-----------High fives to all our Brain Trust Patrons:NullBlox.ZachryWilsnpaul andre bouisMark LittlehaleAli FreiburgerMehdi DamouBarbora BeiKen BoardAttila PixBurt HumburgRoy Lasrisdani bowmanDavid JohnstonSalih ArslanBaerbel WinklerRobert YoungEric MeerDustinKaren HaskellJoin us on Patreon! https://patreon.com/itsokaytobesmartTwitter http://www.twitter.com/DrJoeHansonhttp://www.twitter.com/okaytobesmart Instagram http://www.instagram.com/DrJoeHanson http://www.instagram.com/okaytobesmart Merchhttps://store.dftba.com/collections/its-okay-to-be-smartFacebookhttps://www.facebook.com/itsokaytobesmartpbs/00:00 Introduction00:54 A geologic mystery01:53 A very large lake03:32 A mountain made of ice05:15 The dam breaks06:25 Biggest. Waterfall. Ever.07:57 How the damage was done10:10 Witnesses to destruction10:49 A brave new idea12:00 Stay curious. Learn more about your ad choices. Visit megaphone.fm/adchoices
Learn more about your ad choices. Visit megaphone.fm/adchoices
27 Oct 2026
The Biggest Myth About Climate Change
Check out America Outdoors Understory on @PBS : https://youtu.be/s-R1p89zHnk We’re on PATREON! Join the community https://www.patreon.com/itsokaytobesmart↓↓↓ More info and sources below ↓↓↓Uploaded 15-09-22You’ve seen it in the comment section before: “Climate change is natural. It’s happened before and it will keep happening”. In reality, comments like these are the newest kind of climate change denial. In this video we’re going to learn about all the reasons that Earth’s climate changes, natural and otherwise, and then how we know that modern climate change can’t be blamed on natural forces. Maybe we can finally put this biggest myth about climate change in the trash.SUBSCRIBE so you don’t miss a video! ►► http://bit.ly/iotbs_sub -----------High fives to all our Brain Trust Patrons:NullBlox.ZachryWilsnpaul andre bouisMark LittlehaleAli FreiburgerMehdi DamouBarbora BeiAttila PixBurt HumburgRoy Lasrisdani bowmanDavid JohnstonSalih ArslanBaerbel WinklerRobert YoungEric MeerDustinKaren HaskellJoin us on Patreon! https://patreon.com/itsokaytobesmartTwitter http://www.twitter.com/DrJoeHansonhttp://www.twitter.com/okaytobesmart Instagram http://www.instagram.com/DrJoeHanson http://www.instagram.com/okaytobesmart Merchhttps://store.dftba.com/collections/its-okay-to-be-smartFacebookhttps://www.facebook.com/itsokaytobesmartpbs/ Learn more about your ad choices. Visit megaphone.fm/adchoices
Learn more about your ad choices. Visit megaphone.fm/adchoices
26 Oct 2026
The Strange Cosmic Origin of Earth’s Most Precious Metals
Follow me to The Bigger Picture on @PBS https://youtu.be/Wnr4RJxDifwSUBSCRIBE so you don’t miss a video! ►► http://bit.ly/iotbs_sub ↓↓↓ More info and sources below ↓↓↓Uploaded 23-08-22Precious metals like gold, silver, platinum, and rhodium are expensive because they're rare in Earth's crust. But are they rare in the universe? Why is it so hard to make some of the chemical elements? Where do heavy metals come from, anyway? Turns out, we can blame it all on neutron stars and some oddities of the periodic table.Thank you to the following for helpful discussions:Dr. Jennifer Johnson - Ohio State UniversityDr. Hendrik Schatz - JINA Center for the Evolution of the ElementsReferences: https://sites.google.com/view/catalytic-converter-crime-wave/home-----------We’re on PATREON! Join the community https://www.patreon.com/itsokaytobesmartSpecial thanks to our Brain Trust Patrons:NullBlox.ZachryWilsnpaul andre bouisMark LittlehaleAli FreiburgerMehdi DamouBarbora BeiKen BoardClinger-Hamilton FamilyAttila PixBurt HumburgRoy Lasrisdani bowmanDavid JohnstonSalih ArslanBaerbel WinklerRobert YoungAmy SowadaEric MeerDustinKaren HaskellJoin us on Patreon! https://patreon.com/itsokaytobesmartTwitter http://www.twitter.com/DrJoeHansonhttp://www.twitter.com/okaytobesmart Instagram http://www.instagram.com/DrJoeHanson http://www.instagram.com/okaytobesmart Merchhttps://store.dftba.com/collections/its-okay-to-be-smartFacebookhttps://www.facebook.com/itsokaytobesmartpbs/ Learn more about your ad choices. Visit megaphone.fm/adchoices
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