Sarah Gailey hops on Weirdest Thing to talk about how hippos almost became extremely American. Plus, Sandra explains why Miami officials are going to perform vasectomies on peacocks, and Rachel gets into the ethics of saving Einstein's brain.

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

--

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

If you like the show, telling a friend about it would be amazing! You can text, email, Tweet, or send this link to a friend: bit.ly/WeirdestThingILearnedThisWeek

Learn more about your ad choices. Visit podcastchoices.com/adchoices