Terrifying Tumbleweeds, Coffee Poops, Three Peters Who Changed Childbirth

The weirdest things we learned this week range from tumbleweeds that terrorize entire towns to a tantalizing obstetrical secret. 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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