› added 7 years ago

57

TIL that "hello" is a relatively new word, first used in 1826 and not becoming common until the 1860s

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YpenB TIL that Leonard Nimoy was a taxi driver before he got his start on Star Trek, and once gave JFK a cab ride during the 1956 presidential race when Kennedy was a potential Vice president candidate
VMQ1G Today I learned that Bolivia has one of the world's largest deposits of lithium, critical for production of lithium ion batteries.
oDdY TIL in 1985, a Colombian girl was trapped in a volcanic mudflow, and was trapped up to her waist. She was mostly alert and was interviewed. Knowing she would die, volunteers and rescuer did their best to comfort her. She died after 60 hours, and her photo became iconic.
4kOJN TIL if you stacked the wealthiest individual on the planet’s money, in $100 bills, it would extend past the Earths atmosphere.
D1lXp TIL that the blast of hot or cold air from above entrances is called an 'air door'. It prevents inside and outside air from mixing, increasing a buildings power efficiency as well as keeping out dust and insects.