PopSci's Laura Baisas hops on Weirdest Thing to talk about ancient tweezers (and their accompanying screams), Rachel explains the state of Leprosy in past, present, and future, and Sara Kiley talks about tools and weapons made from space rocks. 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  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 Don’t forget to subscribe to the podcast for free wherever you're listening or by using this link: bit.ly/WeirdestThingILearnedThisWeek Check out Weirdest Thing on YouTube: bit.ly/WeirdestThingILearnedThisWeekYouTube 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 Thanks to our sponsors!  Here's a special, (limited time) deal for our listeners to get you started RIGHT NOW, Get 55% off at https://Babbel.com/WEIRDEST Learn more about your ad choices. Visit podcastchoices.com/adchoices