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TIL: Sperms were thought to move by wiggling their tails side-to-side, like eels, for 350 years. But research shows that they roll as they move forward like a spinning top.

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l8oB TIL Households earning under $13,000 per year spend about 9 percent of their income on lottery tickets
OogO7 TIL there is an island in Ethiopia where Christian Ethiopians claim to have kept the Ark of Covenant for thousands of years. It is watched over by a single man with no name known as the "Guardian" and no woman are allowed on the island for fear of "stirring the passions" of the virgins on the island
RNe1 TIL The U.S. Founding Fathers were against Political Parties, and thought they would lead to competition for power, instead of making decisions for the people.
pNRA TIL Video games can actually make gamers nicer people in real life, contrary to popular belief. Doing bad things inside a video game can make gamers feel guilty about their virtual actions, and they compensate by engaging in morally acceptable actions in real life
7rkn7 TIL that our brains congest and decongest our nostrils, changing our dominant nose hole every few hours.