› added 7 years ago

390

TIL it’s not the alcohol that burns your throat when taking a shot, it’s the ethanol making your heat receptors perceive your own body temperature as burning hot

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wLM91 TIL when Fidel Castro was 14 he wrote a letter to Franklin Roosevelt & asked him for a 10 dollar bill because he admired America.
9RVp TIL at the time of his death, Libyan dictator Muammar Gaddafi was the world’s richest man, worth $200 billion.
GA1r7 TIL of the Vipeholm Experiments in Sweden. In the 1950s, intellectually disabled people were fed sweets to see whether sugar caused cavities. While unethical, this study greatly contributed to what we know about dental health.
a8WWy TIL that the Theory of Evolution was codiscovered by Alfred Russel Wallace, a contemporary of Darwin. They exchanged essays and ideas prior to Darwin publishing "On the Origin of Species".
gM4M8 TIL that functioning ‘mechanical gears’ were seen in nature for the first time. Previously believed to be only man-made, a natural example of a functioning gear mechanism has been discovered in a common insect - showing that evolution developed interlocking cogs long before we did.