› added 10 years ago

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TIL: 10% of Europeans are immune to the HIV virus.

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b6y4E TIL that Australia actually exports sand to Saudi Arabia. This is because maritime or beach sand is coarser than desert sand. Coarse sand j's needed in construction which effectively makes desert sand completely useless.
d8bOZ TIL Friends Thomas Cook and Joseph Feeney shook hands in 1992, swearing if either one won the Powerball jackpot, they would split the winnings. Well the power of friendship and a handshake has paid off: 28 years later Tom won €22 million and split the winnings with his friend.
D6xv TIL in Pompeii around 2000 years ago, “Beware Of The Dog” mosaics were used near the entrances to houses, much like modern day signs serving the same purpose.
VBXJQ TIL back in 1945, a physicist at Kodak in Rochester discovered the secret Manhattan project atomic testing 2000 miles away in New Mexico due to straw containing traces of Cerium-141. The straw was sourced from milling plants in Indiana and Iowa that was used to make the film packaging.
9AeB TIL president Hoover and his wife both spoke Mandarin Chinese and would use it in the White House to foil eavesdroppers