Feminist Butter Art, The First Celebrity Athletes, The Secret Lives of Algae

The weirdest things we learned this week range from butter sculptures' feminist origins to the cutthroat world of competitive endurance walking. 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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