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TIL in 1957, five men stood directly underneath a 2-kiloton nuclear bomb detonated at 18,500 feet to demonstrate how safe it was. One looked up at the explosion through regular sunglasses. They all lived into their 70s or 80s

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O7Za TIL during Roman times, salt was worth its weight in gold and soldiers were sometimes paid in salt, hence the word “salary”
mxkDx TIL: One of the worlds rarest cars was discovered abandoned in a parking garage in Atlanta. Also given insight on why they killed the electric car prior to the Tesla rise.
P1M8V TIL North Korea set up a large middle school in Pyongyang for ethnic Chinese students in 1955. When news of the Chinese Cultural Revolution reached students in 1966, they openly chanted Mao songs and teachings, Communist slogans, attacked the principal's office, resulting in closure of the school
N7kQ6 TIL that EU citizens living in another EU member state have voting rights in local and EU elections in their country of residence, even if they're not citizens of that country.
BrVEb TIL Oxycontin is more addictive because the withdrawal symptoms are so bad.