The Weirdest Thing I Learned This Week

Marie Antoinette Wearing Braces, Secret Immortal Cells, Chasing the Tooth Worm

The Weirdest Thing I Learned This Week

Show Notes

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

More from The Weirdest Thing I Learned This Week

Oct 21, 2026

Geo Rutherford joins the show to talk all things spooky lake month! Plus, Liz Clayton Fuller returns to explain how one songbird dives underwater, and Rachel talks about soiling undies... for science.

Oct 7, 2026

Amanda Reed and Riley Black join the show to discuss the fat American cheetah, weird mausoleum culture, and where the heck kissing came from.

Sep 23, 2026

Shane Madej and Matt Real join the show from The Quizard's Pit! There's discussion of sending Big Bird to space (thank GOODNESS we didn't), a suspicious skeleton, and one writer who loved coffee a little too much.

Sep 9, 2026

Author and food historian Priya Mani joins the show to talk about the neuroscience of spice. Plus, Laura explains why whales have teeth on their eyes (SERIOUSLY), and Rachel gets into why a tickle robot exists.

Aug 26, 2026

Alexis Nikole joins the show to talk about the heinous etymology of the juneberry (if that's even it's real name...). Plus, Liz Clayton Fuller returns to explain how birds are behind Pantone, and Rachel details the ins and outs of Naked Mole Rat society -- and what it has to do with their STINK.

See all episodes →