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TIL That the smell of rain is caused by a bacteria

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vxBj TIL that ‘boosting’ is a form of cheating in paralympics. Athletes with spinal cord injuries will do things like breaking bones (usually in toes), electric shocks (to feet/legs/scrotum/testicles), and more. This results in increased blood pressure which improves performance.
DOdp TIL studies suggest working out 7.5 hours/week is the exercise benefits “sweet spot”, cutting risk of premature death by 39% compared to non-exercisers.
E1kDX TIL cartoon character Betty Boop was a complete visual and vocal copy of singer/actress Helen Kane, AKA the "Boop Boop a Doop girl." Kane sued over theft of her image but lost when it was discovered she had copied her own act from a Harlem jazz singer, Baby Esther.
lomaV TIL the American Cheetah, Miracinonyx trumani, is thought to be the main reason why Pronghorn are the fastest mammals in the Western Hemisphere, as the are much faster than any extant predator.
A5kB TIL that people vomit from motion sickness because the only other thing that can cause a sensory mismatch like motion sickness is a neurotoxin, so the brain tries to get rid of that “poison” the only way it knows how: by vomiting.