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TIL Even comparing different races, two humans from anywhere on the planet are more similar than two Chimpanzees in the same troop, due to a massive volcano that bottlenecked our species’ population.

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Y7RWr TIL: Kinks are both learned AND hereditary according to several PHD researchers. As inheriting some bodily features, such as sensitive nipples will draw offspring towards BDSM elements for example. The conclusion is that inherited traits and prime conditions can lead to one developing similar kinks.
Rl5Q TIL Fidel Castro set up his own recreation of the Kennedy assassination using Cuban military snipers and concluded Oswald couldn’t have acted alone.
9wrPr TIL that Audrey Hepburn's first starring role was 'Roman Holiday' (1953). Gregory Peck insisted that Hepburn's name appear before the film's title in a font as large as his: "You've got to change that because she'll be a big star and I'll look like a big jerk". Hepburn won an Oscar.
5VXnD TIL about the "Tanganyika-Laughter Epidemic". A student in 1962 in Tanzania started laughing in a school in Kashasha. The laughter quickly spread to hundreds of people,causing schools to close for months. Researchers believe it was caused by stress, social tensions. No official explanation was given
6jYZ TIL that apart from humans, dogs are the only other known species that can understand finger pointing. Not even chimpanzees could manage it in one study.