› added 2 years ago

98

TIL that people in sunny tropical countries can be Vitamin D deficient

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via reddit.com

QNKN6 TIL World War Z author Max Brooks balances dual fellowships at the Atlantic Council’s Brent Scowcroft Center for Strategy and Security and the Modern War Institute at West Point
69mAm TIL High-testosterone men have weaker immune systems
9YG1r TIL Voyager 1 and 2 both travel at 35,000mph, and are about 900,000 miles further away from Earth each day. They are now more than 10 billion miles away since launch in 1977.
yQZRa TIL that the population of Ireland is still about 2 million less than what it was before the Potato Famine.
pYo48 TIL the reason that purple has traditionally been associated with royalty was because, in Ancient Rome, the only source of purple was milking and fermenting the liquid from a snail. It took 12,000 snails to produce 1 gram of dye! This made the Caesars declare it their exclusive color.