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TIL Putrescine, one of the main chemicals responsible for the smell of decaying flesh (the other being cadaverine), can be applied to fruits to keep them fresher longer

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J1p64 TIL: According to a scientific study, ADHD individuals react to stimulants such as amphetamines differently, often in a positive way improving symptoms by 70% and improving study in college students with ADHD. However, most stop using to disastrous effects and were more risky behavior prone.
j6GEQ TIL Shortly before Paris was captured by the Nazis in 1940, French engineers cut the lift cables to the Eiffel Tower. German soldiers had to climb the entire tower in order to hoist their flag... which blew away after just few hours. Hitler himself was unable to make the climb when he visited.
x97D TIL that the US government rejected several mobile hospitals, water treatment plants, 1 million barrels of oil, canned food, bottled water, 1500 doctors and 26.4 metric tons of medicine from Cuba and Venezuela for the people of New Orleans after Hurricane Katrina
kOME4 TIL prior to the work of Harvey Nininger (1887-1986) experts thought searching for meteorites was a waste of time. Starting in 1923, he was credited with half of all meteorite discoveries on earth by 1941.
6Egv8 TIL that in "Man on the Moon", Jim Carrey and Jerry Lawler had an actual feud. Carrey spat in Lawler's face and got him fired. When Lawler was rehired for the Letterman segment, he retaliated by slapping him as hard as he could - much harder than he slapped the real Kaufman during their fake feud.