Episodes

  • 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
  • What happens to your bag after you check it in?

    What happens to your bag after you check it in?
    Nov 26 2025
    Each year, roughly 500 MILLION bags are checked at U.S airports, with only 0.4% getting lost - so how DO airlines move your bags around and keep track of them. PopSci Editors ⁠⁠⁠Sarah Durn⁠⁠⁠ and ⁠⁠⁠Laura Baisas go on a journey to explain it all. Read the full story that inspired this episode: https://www.popsci.com/technology/what-happens-to-your-checked-bag/ 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
  • What is human composting?

    What is human composting?
    Nov 12 2025
    A growing number of Americans are choosing to return to earth after death—literally. Green burials, and specifically human composting, is an environmentally conscious, life-sustaining option that’s now legal in 14 states. But how does a human composting vessel work? And what exactly happens to Grandpa’s hip replacement once he’s been “recycled?” PopSci Editor ⁠⁠Sarah Durn⁠⁠ and Editor-in-Chief ⁠⁠Annie Colbert⁠⁠ dig deep to explain it all. Read the full story that inspired this episode: https://www.popsci.com/science/how-human-composting-works/ 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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    15 mins
  • Why do we get goosebumps? Plus: RL Stine!

    Why do we get goosebumps? Plus: RL Stine!
    Nov 12 2025
    Goosebumps are a valuable tool for many animals. They keep mammals with thick fur warm by trapping air near their skin, or help make them look bigger when facing off against a rival. However, in humans a wide range of emotions can also induce goosebumps. BUT WHY? Join PopSci Editor Sarah Durn and Editor-in-Chief Annie Colbert as they explain the science AND chat with Goosebumps legend, RL Stine. Read the full story that inspired this episode: https://www.popsci.com/science/why-goosebumps-happen/ If you have a question for a future episode, go to https://popsci.com/ask 00:00 Exploring Personal Goosebump Triggers and Their Ancient Animal Roots 04:43 Unpacking the Autonomic Nervous System's Role in Cold and Fear Responses 07:38 Distinguishing Chills from Goosebumps in Response to Music, Art, and Awe 10:29 Goosebumps Author R.L. Stine Shares Origin of the Book Series' Name Learn more about your ad choices. Visit megaphone.fm/adchoices
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    14 mins
  • Welcome back to Ask Us Anything from Popular Science

    Welcome back to Ask Us Anything from Popular Science
    Oct 29 2025
    Join us as we dive into your weirdest, most mind-burning questions–from the everyday things you’ve always wondered to the bizarre things you never thought to ask. This is… Ask Us Anything. New episodes drop every other Wednesday starting November 12, with more AUA questions and answers here: https://www.popsci.com/category/ask-us-anything/ Learn more about your ad choices. Visit megaphone.fm/adchoices
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    1 min