› added 7 years ago

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TIL that dogs develop bite inhibition, the ability to control the strength of a bite, as puppies after learning that too harsh of bites often interrupt play

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a8ggM TIL over 18 million Chinese were killed in World War 2, then over 5 million in the resumed Chinese Civil War, then over 50 million from executions and starvation over the next 20 years after the communists took over.
gJXy TIL that Charlie Chaplin had almost been assassinated by the assassins of Japanese Prime Minister Inukai Tsuyoshi, hoping to instigate a war with the USA. Chaplin, however, escaped this fate as he had gone with the prime minister’s son to a sumo wrestling match.
VBWL4 TIL Claudius Ptolemy made a list of the angle in water for each number of different angle in air, as recorded on a table from 140 AD. But it was not until 1621 when Willebrord Snell found the rule connecting the two angles: sinθi=nsinθr
v7g4 TIL a recalled obesity drug, fenfluramine, had a remarkable effect on a boy with autism. Before taking fenfluramine, Joshua’s I.Q. was so low it could not be measured. After, he was able to read and do maths at a 4th grade level.
DQvPj TIL that echidnas don't have teeth. They have ridges of small, spike-like protrusions made of keratin on their tongues and the roofs of their mouths that help grind down their food