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TIL ‘Old-Person Smell’ was confirmed by scientists as real, along with distinct young- and middle-aged-person smells.

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via reddit.com

awepb TIL most of the consumer standards like car seatbelt length, AC temperature sensitivities, phone sizes, crash-test dummies etc. are all dimensioned with reference to average men size. Due to this a woman involved in a car crash is 47% more likely to be seriously injured and 17% more likely to die.
ZpAb4 TIL that when Ronald Reagan was shot in 1981, hospital staff cut away his clothing. Finding a laminated card in his suit pocket, they discarded it into his shoe on the floor where it was left unattended. That card was the list of nuclear launch codes.
ryyd TIL that the Swedish warship Vasa, which famously sank in 1628 less than a mile into its maiden voyage, was built asymmetrically. Archaeologists have found four rulers used by the workers; two turned out to be based on Swedish feet with 12 inches. The other two used Amsterdam feet, with 11 inches.
P5ZV TIL that Napoleon was taller than both Lenin and Stalin
OoMRg TIL The world's oldest known wild bird is Wisdom the Laysan albatross. At 67 years old she is still laying viable eggs and raising chicks. Wisdom has outlived several mates and raised anywhere from 30 to 35 chicks.