Welcome to Season 4! For this first episode, Kendra Pierre-Louis, former Popsci editor and current reporter for the Gimlet podcast How To Save a Planet, joins the weirdos as a guest host. The weirdest things we learned this week range from thousands of cars being recalled due to spider infestations, to the story of a woman who invented N95 masks from bras. Whose story will be voted "The Weirdest Thing I Learned This Week"?

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!

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Your Car is Full of Spiders, the Cloud Whisperer, She Who Invented N95 Masks and Bugles