Well, whatever it is, we promise you’ll have an even weirder answer if you listen to PopSci’s hit podcast. The Weirdest Thing I Learned This Week hits Apple, Spotify, YouTube, and everywhere else you listen to podcasts every-other Wednesday morning. FACT: You’re not allowed to keep bird feathers you find on hikes, and it’s all thanks to two women who got really mad about hatsBy Liz Clayton FullerIn 1886, ornithologist Frank Chapman went birdwatching in an uptown New York shopping district—but he wasn’t looking to spot living birds. Egret feathers were especially prized at $32 per ounce (twice the price of gold) because they only grow during nesting season. The ants bring everything you need: the right bacteria, the perfect pH conditions, and built-in temperature control from their colony.