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TIL that in a group of 23 random people there is a 50% probability that a pair of the individuals share a birthday - despite there being 365 separate days each person can be born. This is referred to as the birthday paradox. With a group of just 70 people, this probability goes up to 99.9%!

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GlDN TIL that there is a card game in which asking about or explaining the rules is against the rules: “New players are expected to join a game and deduce the rules of play by observation, trial and error.”
45L6 TIL in 1995 a man in Australia attempted suicide by shooting himself in the chest with a shotgun. When that didn’t work he used a pistol to shoot himself in the head, then used the shotgun again on his throat and finally died after one last shotgun blast to the heart
0XM5 TIL Winston Churchill and Mahatma Gandhi were enemies. Churchill favored letting Gandhi die if he went on a hunger strike, and during the Bengal famine of 1943 responded to urgent requests to divert food supplies to India with a telegram asking, if food was so scarce, “why Gandhi hadn’t died yet”.
Oo784 TIL people with high IQ can suffer from dysrationalia, meaning that they are extremely susceptible to cognitive bias and stupid decision making
8ajYL TIL: In 2003, the Pentagon ran a "terror futures bet exchange" allowing terror experts to bet on future assassinations or terror attacks