› added 5 years ago

101

TIL that chocolate doesn’t contain caffeine, instead it contains theobromine, which is structurally but not effectively similar

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y9re TIL of a British Army Gurkha who, in 2010, single-handily fought off up to 30 Taliban fighters to stop his position being overrun
omeK TIL that there is a galaxy being deathray-ed by its own supermassive black hole.
d86O9 TIL that the author of Leaving Las Vegas, John O'Brien, only wrote one other thing, Rugrats' Episode 37 "Toys in the Attic". He was disgusted by the editorial changes. 2 weeks after signing the rights of the novel to be made into a movie he shot himself.
rRvwd TIL Nancy Grace Roman: called ‘The Mother of Hubble’ telescope program. NASA's 1st chief astronomer. She paved the way in taking Hubble Space Telescope from an idea to reality. Her interest to astronomy was sparked because of her walks with her mom who would show her constellation and auroras.
G9wJ TIL a man named John Wesley Hyatt invented a replacement for ivory billiard balls. The balls were made of nitrocellulose, a substance prone to exploding when struck by things such as a pool cue.