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TIL that a fair-skinned person sitting on a beach in June for 15 minutes will produce nearly 20,000 IUs of Vitamin D, which is actually a hormone that increases the body’s production of antimicrobial peptides which directly and rapidly destroy the cell walls of bacteria, fungi, and viruses.

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Z8XOo TIL about "turtle glass". Some states have laws that require coastal homeowners to turn off lights and draw curtains after 9pm because baby turtles migrate out to sea by moonlight and sometimes they get confused by lights and swim inland. Turtle glass is special window that doesn't reflect moonlight
mxZlM TIL "ZIG-ZAG Man" of rolling papers fame is based on the story of a French North African soldier (Zouave) whose smoking pipe was shattered by a stray bullet during the battle of Sevastopol so he rolled his tobacco using a piece of paper torn from a musket cartridge.
Pjvn TIL that American soldiers reinforced the idea that their base was “protected by a force field” in Iraq and it worked and lead to less attacks.
QJbJa TIL of Billie Bob Harrell, Jr. from Texas. In June 1997, he won $31M from lottery. He bought a ranch. He bought cars each for himself, wife & 3 children. He donated money to his church. Everyone he knew, even strangers, were asking him for money. 20 months later he shot himself to death.
dDWvr TIL that George Carlin performed a 30 minute bit called, "I Kinda Like It When a Lotta People Die" on September 10, 2001.