› added 11 years ago

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TIL that a 1992 study of 100 different sites in 22 states showed that when the speed limit was raised the number of accidents decreased by 6.7%. When the speed limits were lowered the number of accidents increased by 5.4%.

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eQ6g TIL of Exercise Tiger, the training for D-day that ended with 946 American Deaths when 9 German E-boats showed up during the rehearsal and attacked.
rRmpM TIL John Kani (King T'Chaka in Black Panther) lost his left eye during a beating by South African police after returning home from a Broadway production of "Sizwe Banzi Is Dead," which was critical of apartheid. He subsequently won a 1975 Tony Award for his performance.
epxAn TIL that males going through opioid withdrawal may also experience spontaneous ejaculations whilst awake
KXnQ TIL the inventor of the LASER fought with both the US Patent office and LASER manufacturers for a period of 38 years before finally achieving the right to both obtain and enforce patents covering the LASER technology he invented.
oR7oY TIL Bats and dolphins evolved echolocation in the same way (down to the molecular level). An analysis revealed that 200 genes had independently changed in the same way