› added 7 years ago

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TIL that frequent sex in a relationship isn't associated with self-reported happiness in couples, but is associated with an increase in an instinctive, positive emotions towards your partner.

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via reddit.com

APGa TIL President Kennedy initially suggested a Mars mission because he was unconvinced that a moon landing was bold enough to prove American superiority over the Soviets
Yp7l7 TIL Sony sold its waterproof Walkman in a bottle of water to prove it was really waterproof
8WPK TIL of SawStop, a device that will stop a table saw in 1/1000th of a second if it detects a hand
W7J7o TIL that 4th, 5th, and 6th degree burns exist.
d87p9 TIL that in 1972, Oscar-winning director Sydney Pollack shot a feature-length documentary on Aretha Franklin but forgot to use clapperboards, which made it impossible to sync audio and video and left all of the footage unusable. The film was finally salvaged and released 46 years later.