# Rat Sommeliers, Pneumatic Tube Flirting, Why Periods Hurt

An episode of [The Weirdest Thing I Learned This Week](https://invisiblenetwork.ai/podcast/1377843908), 23 Apr 2025, 52 min.

Audio: https://pdst.fm/e/mgln.ai/e/135/verifi.podscribe.com/rss/p/swap.fm/track/i7NUCPwi3tJP053nG6mP/traffic.megaphone.fm/STU1233219500.mp3?updated=1745352788

Kate Downey joins the show to explain how little we actually know about why periods hurt so dang bad. Plus, Rachel divulges how to flirt using tubes, and Laura talks about the cutest, sweetest little rat sommeliers. 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 Thanks to our Sponsors! • Get 20% off your first order of Liquid I.V. when you go to https://www.liquid-iv.com/ and use code WEIRDEST at checkout. • Give yourself the luxury you deserve with Quince! Go to https://Quince.com/weirdest for free shipping on your order and 365-day returns. • Stop putting off those doctors appointments and go to https://www.Zocdoc.com/WEIRDEST to find and instantly book a top-rated doctor today. Learn more about your ad choices. Visit podcastchoices.com/adchoices

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