- 51 minutes 26 secondsCreativity is Crumbling, Sarcophagus Juice Sourdough, Mycelium Mutual Aid
Pattie Gonia joins the show to talk about how secret networks of underground fungi are basically like nature's mutual aid. Plus, Moiya McTier returns to discuss creativity, why it might be crumbling, and how one measures it (spoiler: it is NOT easy). And Rachel explains how scientists used yeast from a melting mummy to bake a loaf of sourdough.
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!
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
Thanks to our Sponsors:
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17 June 2026, 1:39 pm - 52 minutes 40 secondsMarie Antoinette Wearing Braces, Secret Immortal Cells, Chasing the Tooth Worm
Hari Kondabolu and Priyanka Wali join the show to talk about cells taken secretly and unethically... but ended up changing human health forever. Then, Rachel divulges a plethora of facts about dental care of yesteryear, from how Marie Antoinette wore braces (yes, seriously), to how Neanderthals drilled for cavities.
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
3 June 2026, 7:00 am - 1 hour 4 minutesWe Did it Joe (Pilates), They Did Surgery on a Cocaine Hippo, Steinbeck Digs Deep (Literally)
Ben Lillie joins the show to talk about John Steinbeck doing very in-character things on a scientific expedition out on the open ocean. Plus, Sara Kiley talks about Joseph Pilates (yes, that Pilates), and Rachel explains why people are doing surgery on those cocaine hippos.
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
20 May 2026, 7:00 am - 49 minutes 37 secondsA Musical Secret Weapon, Low Cortisol Beakmaxxing, Roller Coaster Science
Dropout's Grant O'Brien joins the show to talk about all things weird roller coasters. Plus, Jess hops on to discuss how a Gregorian chant has infiltrated all of our favorite media, from Shrek to Elden Ring. And Rachel gets into how having less of a beak can actually make you more of a chad.
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
Shop plans at https://MINTMOBILE.com/weirdest
Order RIGHT NOW and save up to $20 at https://STORYWORTH.com/weirdest
Learn more about your ad choices. Visit podcastchoices.com/adchoices
6 May 2026, 7:00 am - 54 minutes 31 secondsCannibal Caribou, Charming Worms, Strawberry-Flavored Neutrinos
Rachel's officially back! Chanda Prescod-Weinstein also joins as a guest host. This week, they talk about self-made caribou snacks, how to charm a worm, and why neutrinos can be classified as nontrinary.
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
Thank you to our sponsors!
- Take Cheers Restore after your last drink or before going to bed and wake up feeling at least 50% better — or your money back. For a limited time our listeners are getting 20% off their entire order at https://CheersHealth.com/WEIRDEST #Cheers #ad
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22 April 2026, 7:00 am - 44 minutes 42 secondsREVISITING Naked Founding Fathers, Jalapeño Thumb, Counting Vampires
In our final rerun episode during Rachel's parental leave, we have the oldest episode yet. It features one of Jess' first appearances on the show in which she details strange vampire folklore (and why they love to count), Claire Maldarelli shares a weird pepper-related medical condition, and Rachel gets into why some founding fathers bathed outside, in the open air, naked.
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
Thanks to our Sponsors:
- Save 20% Off Honeylove by going to honeylove.com/WEIRDEST #honeylovepod
- Shop plans at https://MINTMOBILE.com/weirdest
Learn more about your ad choices. Visit podcastchoices.com/adchoices
8 April 2026, 7:00 am - 1 hour 17 minutesKiller Demon Core, Victorian Theater-Kid Ghosts, Louis Pasteur's Secrets
Jess brings adef and jacksonparodi on the show this week to discuss how one sphere killed two men in a matter of days, why folks in Victorian Australia used glowing paint to transform into ghosts, and how Louis Pasteur had more aura than ever imaginable.
adef on Youtube: https://www.youtube.com/@adef
adef on Twitch: https://www.twitch.tv/adef
Jackson on Youtube: https://www.youtube.com/@JacksonParodi
Jess on Youtube: https://www.youtube.com/@JessCapricorn
Jess on Twitch: https://www.twitch.tv/jesscapricorn
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
Right now, our listeners get an additional 15% off any annual membership at https://MASTERCLASS.com/WEIRDEST
Learn more about your ad choices. Visit podcastchoices.com/adchoices
25 March 2026, 7:00 am - 1 hour 49 secondsREVISITING Art Crime Doesn't Pay, Canines Cooking Meat, Eggs Gone Wrong
While Rachel is on parental leave, here's a vintage episode from our vault! Rachel, Sara, and comedian Josh Gondelman discuss dogs cooking in kitchens, chickens laying eggs inside themselves, and one of the most peculiar art heists in history.
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
Thanks to our Sponsors:
Buy or sell your next car today with CarGurus at https://cargurus.com
Learn more about your ad choices. Visit podcastchoices.com/adchoices
11 March 2026, 7:00 am - 1 hour 6 minutesAtomic Priesthood, Space Smells Like Beef, the Power of Pee Fuel
Jess brings on science-minded friends Lindsey and Misti to discuss why space smells like a freshly opened beef stew packet, how having to pee makes you better at video games like Elden Ring, and how rituals and priests might be the solution to long-term nuclear waste warning.
Follow Lindsey: https://www.twitch.tv/ohlindsey
Follow Jess: https://www.twitch.tv/jesscapricorn
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
Right now, our listeners get an additional 15% off any annual membership at https://MASTERCLASS.com/WEIRDEST
Refresh your wardrobe with Quince. Go to https://Quince.com/weirdest for free shipping on your order and 365-day returns
Learn more about your ad choices. Visit podcastchoices.com/adchoices
25 February 2026, 8:00 am - 1 hour 3 minutesREVISITING Olympic Weirdness: Barefoot Marathons, Medals for Artwork, Pistol Dueling
While Rachel is on parental leave, here's a vintage episode from our vault! Rachel, Claire, and Sara discuss all things weird related to the Olympics way back in 2021 (when the games were pushed back a year from the pandemic).
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
Buy or sell your next car today with CarGurus at https://cargurus.com
Learn more about your ad choices. Visit podcastchoices.com/adchoices
11 February 2026, 8:00 am - 1 hour 9 minutesBeaver Skull Obsession, Aussie Widowmakers, Koalas Eating $#!%
WELCOME TO SEASON 10! Jess hosts the show solo while Rachel is on maternity leave, but brings on a pair of her creator friends to chat about how beavers keep wildfires at bay, koalas eating their moms' poop (kind of), and exploding Australian trees.
Follow rickypeacock: https://www.twitch.tv/rickypeacock
Follow MattyisTalking: https://www.twitch.tv/mattyistalking
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
Thanks to our Sponsors:
-
Buy or sell your next car today with CarGurus at https://cargurus.com
- Right now, our listeners get an additional 15% off any annual membership at https://MASTERCLASS.com/WEIRDEST
- To get free shipping on your order and 365-day returns. Go to https://Quince.com/weirdest
- Plans start at $15/month at https://MintMobile.com/WEIRDEST
Learn more about your ad choices. Visit podcastchoices.com/adchoices
28 January 2026, 8:00 am -
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