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TIL that a typical session of human sexytime consists of about 100–500 thrusts

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E1aRP TIL that in correspondence chess there is a concept known as the "Dead Man's Defense", where a player spends as much time as possible playing out a lost position in hopes that the opposing player simply dies or loses interest, thereby winning the game.
6EGKm TIL due to lash back from a Far Side cartoon where a female chimp finds a human hair on the male she is grooming and says, “Conducting a little ‘research’ with that Jane Goodall tramp?”, Gary Larson now donates all profits from sales of a shirt featuring this cartoon to The Jane Goodall Institute.
kJ1v1 TIL that our solar system is not a solar system. It's a planetary system NAMED the solar system. The name comes from our sun.
Eeoo TIL: A new ‘Bionic’ lens can give people eyesight up to three times better than 20/20.
kJOn4 TIL: There are trees that some scientists say can walk up to 20m per year