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TIL between the 1840's and 1940's there was an idea that couples did better to sleep in separate beds. People thought if couples slept together the sleeper who was weaker in some way (such as older) would absorb vitality from the sleeper who was stronger in some way

Read more theguardian.com

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67dm TIL that when a whale dies and its carcass falls into the Bathyal or Abyssal zone of the ocean floor, it can sustain a complex localized ecosystem of deep-sea organisms for decades. This is called a “whale fall”.
wo0lP TIL that the largest export from Columbia to the US is not coffee but crude petroleum.
pYOn4 TIL that in 1984 the San Francisco Giants introduced an "anti'mascot" named Crazy Crab which was so disliked that the costume had to be reinforced with fiberglass shell for safety, due to fans pelting it with beer bottles and batteries.
8XWX TIL In 1886, 3 people were killed and many more injured in a Texas train company’s publicity stunt. They had invited the public to watch two of their trains crash head-on into one another at full speed, promising a good show.
95YD TIL The SR-71 did more than just take pictures. It could aim its radar 45 degrees to the side, map the terrain like side scan sonar… intercept enemy comm and radar signals, record its entire flight path with infrared cameras… to prove to countries that it didnt violate their airspace.