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TIL popcorn kernels that don’t pop are called “old maids” because they lack the necessary moisture to pop

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R7aY1 TIL of No Kum-Sok, a North Korean pilot who defected to South Korea by flying his MiG-15 near-supersonic across the border. After nearly crashing into an F-86 while landing, he taxied, parked his plane, exited and began tearing a picture of Kim Il-Sung.
gMYKA TIL one of the great results of the 'Cassini' mission was the finding that the beautiful Saturn rings are a transient structure. In about a hundred million years, the ring will disappear, leaving behind a depleted version of Jupiter with less shimmering colors.
b98eQ TIL than motherboard and other electronics element, like hdd and cars, use one of the most expensive metal on Earth with the Palladium (more expensive than gold)
xVg5D TIL of antinutrients, compounds that interfere with the absorption of nutrients.
KGy6 TIL Helen Keller was not born blind and deaf, but became so as a result of “brain fever” and was friends with many celebrities during her lifetime ranging from Mark Twain, Charlie Chaplin to John F. Kennedy