Olympic Tug-o-War, Leaping Leeches, Card-Carrying Women

Rose Eveleth joins the show to talk about chromosome testing in the Olympics. Plus, Claire returns to talk elite tug-o-war, and Rachel talks about the leech that can fly.
Listen to Rose's new show, Tested (link.chtbl.com/js0J2gTx): link.chtbl.com/js0J2gTx
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 (facebook.com/groups/theweirdestthing) or tweet at us (twitter.com/weirdest_thing)!
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Link to Jess' Twitch: twitch.tv/jesscapricorn
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Rachel Feltman: twitter.com/RachelFeltman
Produced by Jess Boddy: www.twitter.com/JessicaBoddy (twitter.com/JessicaBoddy)
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Theme music by Billy Cadden: open.spotify.com/artist/6LqT4DCuAXlBzX8XlNy4Wq…

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