
Bat-Devouring Rodents, Penguin Retirement Home, Chicago "Rat" Hole
12/17/2025 | 58 mins.
Kendra Pierre-Louis joins Weirdest Thing for the season 9 finale! She talks about the rats chowing down on bats, producer Jess Boddy explains the scientific study on Chicago's rat hole, and Rachel talks about the wonderfully heartwarming penguin retirement home at the New England Aquarium. Plus, Rachel has a very special announcement! The Weirdest Thing I Learned This Week is a podcast by Popular Science. Share your weirdest facts and stories with us in our Facebook group or tweet at us! Click here to learn more about all of our stories! Links to Rachel's TikTok, Newsletter, Merch Store and More: https://linktr.ee/RachelFeltman Rachel now has a Patreon, too! Follow her for exclusive bonus content: https://www.patreon.com/RachelFeltman Link to Jess' Twitch: https://www.twitch.tv/jesscapricorn Link to all of Jess' content: https://www.jesscapricorn.com/ -- Follow our team on Twitter Rachel Feltman: www.twitter.com/RachelFeltman Produced by Jess Boddy: www.twitter.com/JessicaBoddy Popular Science: www.twitter.com/PopSci Theme music by Billy Cadden: https://open.spotify.com/artist/6LqT4DCuAXlBzX8XlNy4Wq?si=5VF2r2XiQoGepRsMTBsDAQ Learn more about your ad choices. Visit podcastchoices.com/adchoices

Vintage Antivaxxers, Horror Flick Psychology, Robin-Eating Bats
12/03/2025 | 56 mins.
Coltan Scrivner joins the show to talk about the strange empathy of horror movie enjoyers. Plus, Sara Kiley talks about bats dogfighting and devouring birds, and Rachel delves into the bizarre history of the first anti-vax movement. The Weirdest Thing I Learned This Week is a podcast by Popular Science. Share your weirdest facts and stories with us in our Facebook group or tweet at us! Click here to learn more about all of our stories! Links to Rachel's TikTok, Newsletter, Merch Store and More: https://linktr.ee/RachelFeltman Rachel now has a Patreon, too! Follow her for exclusive bonus content: https://www.patreon.com/RachelFeltman Link to Jess' Twitch: https://www.twitch.tv/jesscapricorn Link to all of Jess' content: https://www.jesscapricorn.com/ -- Follow our team on Twitter Rachel Feltman: www.twitter.com/RachelFeltman Produced by Jess Boddy: www.twitter.com/JessicaBoddy Popular Science: www.twitter.com/PopSci Theme music by Billy Cadden: https://open.spotify.com/artist/6LqT4DCuAXlBzX8XlNy4Wq?si=5VF2r2XiQoGepRsMTBsDAQ Learn more about your ad choices. Visit podcastchoices.com/adchoices

Footless Goose Murder, Sex in Space, Viking Sicko Mode, Sports Bra Tech
11/19/2025 | 1h 18 mins.
Behold: our LIVE show from earlier this year at Caveat in NYC! Rachel, Jess, Moiya McTier and Claire Maldarelli each bring a weird fact to the stage. Topics run the gamut this week. We've got an avian murder mystery, why having sex in space sucks, how preworkout is kind of like being a Viking Berserker, and how the sports bra is shockingly new. Tune in for a very special episode! The Weirdest Thing I Learned This Week is a podcast by Popular Science. Share your weirdest facts and stories with us in our Facebook group or tweet at us! Click here to learn more about all of our stories! Links to Rachel's TikTok, Newsletter, Merch Store and More: https://linktr.ee/RachelFeltman Rachel now has a Patreon, too! Follow her for exclusive bonus content: https://www.patreon.com/RachelFeltman Link to Jess' Twitch: https://www.twitch.tv/jesscapricorn Link to all of Jess' content: https://www.jesscapricorn.com/ -- Follow our team on Twitter Rachel Feltman: www.twitter.com/RachelFeltman Produced by Jess Boddy: www.twitter.com/JessicaBoddy Popular Science: www.twitter.com/PopSci Theme music by Billy Cadden: https://open.spotify.com/artist/6LqT4DCuAXlBzX8XlNy4Wq?si=5VF2r2XiQoGepRsMTBsDAQ Learn more about your ad choices. Visit podcastchoices.com/adchoices

Check it out: 'Ask Us Anything' from Popular Science. On this episode, GOOSEBUMPS
11/12/2025 | 14 mins.
Popular Science answers your most outlandish, mind-burning questions—from the everyday things you’ve always wondered to the bizarre things you never thought to ask. On this episode: 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: PopSci.com/ask Learn more about your ad choices. Visit podcastchoices.com/adchoices

What Rats are REALLY Saying, Cosmic Caffeine, Lamarck was RIGHT?!
11/05/2025 | 1h 4 mins.
Tom Lum joins the show to reveal what rats are ACTUALLY saying to each other. Plus, Rachel talks about the color of the Universe, and Lauren explains one evolutionary exception. The Weirdest Thing I Learned This Week is a podcast by Popular Science. Share your weirdest facts and stories with us in our Facebook group or tweet at us! Click here to learn more about all of our stories! Links to Rachel's TikTok, Newsletter, Merch Store and More: https://linktr.ee/RachelFeltman Rachel now has a Patreon, too! Follow her for exclusive bonus content: https://www.patreon.com/RachelFeltman Link to Jess' Twitch: https://www.twitch.tv/jesscapricorn Link to all of Jess' content: https://www.jesscapricorn.com/ -- Follow our team on Twitter Rachel Feltman: www.twitter.com/RachelFeltman Produced by Jess Boddy: www.twitter.com/JessicaBoddy Popular Science: www.twitter.com/PopSci Theme music by Billy Cadden: https://open.spotify.com/artist/6LqT4DCuAXlBzX8XlNy4Wq?si=5VF2r2XiQoGepRsMTBsDAQ Find your fall staples at Quince. Go to https://Quince.com/weirdest Learn more about your ad choices. Visit podcastchoices.com/adchoices



The Weirdest Thing I Learned This Week