Episodes

  • How come only modern humans need braces?

    How come only modern humans need braces?
    Mar 31 2026
    Chomping right through the history of orthodontics and human bone development, PopSci Editor ⁠⁠⁠⁠⁠⁠⁠⁠Sarah Durn⁠⁠⁠⁠⁠⁠⁠⁠ and Editor-in-Chief ⁠⁠⁠⁠⁠⁠⁠⁠Annie Colbert⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠ investigate why human ancestors never needed braces, but so many modern humans do. Read the Popular Science story that inspired this episode: ⁠https://www.popsci.com/science/why-need-braces/⁠ And make sure you check out our guests Erin & Erin on their show This Podcast Will Kill You: ⁠https://thispodcastwillkillyou.com⁠ If you have a question for a future episode, go to ⁠⁠⁠⁠⁠⁠⁠⁠https://popsci.com/ask⁠⁠⁠⁠⁠⁠⁠⁠ Learn more about your ad choices. Visit megaphone.fm/adchoices
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    17 mins
  • Did any dinosaurs actually spit venom?

    Did any dinosaurs actually spit venom?
    Mar 18 2026
    Digging deep into the fossil record, PopSci Editor ⁠⁠⁠⁠⁠⁠⁠Sarah Durn⁠⁠⁠⁠⁠⁠⁠ and Editor-in-Chief ⁠⁠⁠⁠⁠⁠⁠Annie Colbert⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠ investigate whether there really were venomous dinosaurs, like the Dilophosaurus depicted in the first Jurassic Park movie. Read the Popular Science story that inspired this episode: https://www.popsci.com/science/venomous-dinosaurs/ And make sure you check out the I Know Dino podcast, co-hosted by our special guest Garret Kruger: https://iknowdino.com/ If you have a question for a future episode, go to ⁠⁠⁠⁠⁠⁠⁠https://popsci.com/ask⁠⁠⁠⁠⁠⁠⁠ Learn more about your ad choices. Visit megaphone.fm/adchoices
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    19 mins
  • What's the most eco-friendly burial option?

    What's the most eco-friendly burial option?
    Mar 4 2026
    After a lifetime of trying to put things in the right bin, we all eventually arrive at the ultimate recycling dilemma: what to do with our bodies after we die? PopSci Editors ⁠⁠⁠⁠⁠⁠Sarah Durn⁠⁠⁠⁠⁠⁠ and ⁠Laura Baisas⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠ go on exploration to find out what is the most environmentally friendly option for handling human remains? Despite all the new technology, experts say there’s one clear answer, and it’s surprisingly old-school. Read the full story that inspired this episode: https://www.popsci.com/technology/cremation-burial-most-eco-friendly/ If you have a question for a future episode, go to ⁠⁠⁠⁠⁠⁠https://popsci.com/ask⁠⁠⁠⁠⁠⁠ Learn more about your ad choices. Visit megaphone.fm/adchoices
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    16 mins
  • Why do (most) cats hate water?

    Why do (most) cats hate water?
    Feb 18 2026
    From ancient deserts to kittenhood lessons, PopSci Editor ⁠⁠⁠⁠⁠⁠Sarah Durn⁠⁠⁠⁠⁠⁠ and Editor-in-Chief ⁠⁠⁠⁠⁠⁠Annie Colbert⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠ (PLUS SPECIAL FELINE GUESTS) dive into why most cats are so averse to water. Read Sarah's story that inspired this episode: https://www.popsci.com/science/why-cats-hate-water/ And make sure you read all about Simon the cat, heroic member of the British Navy: https://www.popsci.com/environment/navy-cat-simon/ If you have a question for a future episode, go to ⁠⁠⁠⁠⁠⁠https://popsci.com/ask⁠⁠⁠⁠⁠⁠ Learn more about your ad choices. Visit megaphone.fm/adchoices
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    16 mins
  • Surviving freezing temperatures: How low can humans go?

    Surviving freezing temperatures: How low can humans go?
    Feb 5 2026
    Humans are homeotherms, meaning that our core body temperature stays roughly constant, but what happens when conditions drive that body temp down? PopSci Editor ⁠⁠⁠⁠⁠Sarah Durn⁠⁠⁠⁠⁠ and Editor-in-Chief ⁠⁠⁠⁠⁠Annie Colbert⁠⁠⁠⁠⁠⁠⁠ bundle up to get to the bottom of just how cold humans can get and still survive. Read the full story that inspired this episode: https://www.popsci.com/science/coldest-temperature-humans-can-survive/ If you have a question for a future episode, go to ⁠⁠⁠⁠⁠https://popsci.com/ask⁠⁠⁠⁠⁠ Learn more about your ad choices. Visit megaphone.fm/adchoices
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    14 mins
  • Decoding wintery precipitation: What causes snow, sleet and freezing rain?

    Decoding wintery precipitation: What causes snow, sleet and freezing rain?
    Jan 21 2026
    Are you as tired as we are of winter weather? Well, at least it helps to know how it works! PopSci Editors ⁠⁠⁠⁠⁠Sarah Durn⁠⁠⁠⁠⁠ and Laura Baisas⁠⁠⁠⁠⁠⁠⁠ go on a wintry expedition through all our least favorite types of precipitation. Read the full story that inspired this episode: https://www.popsci.com/environment/chance-of-precipitation-explained/ If you have a question for a future episode, go to ⁠⁠⁠⁠⁠https://popsci.com/ask⁠⁠⁠⁠⁠ Learn more about your ad choices. Visit megaphone.fm/adchoices
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    14 mins
  • How fast would NYC crumble without people? Featuring 'Survivorman' Les Stroud

    How fast would NYC crumble without people? Featuring 'Survivorman' Les Stroud
    Jan 8 2026
    In a world without people, how fast would NYC fall apart and nature take over? PopSci Editor ⁠⁠⁠⁠Sarah Durn⁠⁠⁠⁠ and Editor-in-Chief ⁠⁠⁠⁠Annie Colbert⁠⁠⁠⁠ go through the timeline for re-wilding America's densest city. Read the full story that inspired this episode: https://www.popsci.com/environment/abandoned-nyc-what-would-happen/ If you have a question for a future episode, go to ⁠⁠⁠⁠https://popsci.com/ask⁠⁠⁠⁠ Learn more about your ad choices. Visit megaphone.fm/adchoices
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    21 mins
  • How do squirrels find their buried nuts in winter?

    How do squirrels find their buried nuts in winter?
    Dec 17 2025
    Every fall, squirrels hide thousands of acorns—but how do they find them again in the winter? PopSci Editor ⁠⁠⁠Sarah Durn⁠⁠⁠ and Editor-in-Chief ⁠⁠⁠Annie Colbert⁠ get a little nutty to find the answer. Read the full story that inspired this episode: https://www.popsci.com/science/how-squirrels-find-nuts/ To learn more about Tommy Tucker, visit: https://www.popsci.com/environment/famous-ww2-squirrel-tommy-tucker/ If you have a question for a future episode, go to ⁠⁠⁠https://popsci.com/ask⁠⁠⁠ Learn more about your ad choices. Visit megaphone.fm/adchoices
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    17 mins