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TIL Adam Rainer is the only person in medical history to have been classified both as a dwarf and giant during his lifetime. He went from being 4 feet 6 inches tall at the age of 19 to being 7 feet 8 inches at 51. This was caused by a tumor that led to an overproduction of growth hormones.

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ZePB TIL Every autumn Black-capped Chickadees allow brain neurons containing old information to die, replacing them with new neurons so they can adapt to changes in their social flocks and environment even with their tiny brains.
P1gKn TIL Eddie Murphy passed on Ghostbusters, Star Trek IV: The Voyage Home, Dirty Rotten Scoundrels, Malcolm X, Rush Hour and Inglourious Basterds.
OonBg TIL a study found a meatless diet was not enough to help the environment. You also had to pick your vegetables. The study examined energy and resource use across all foods and found that many vegetables are worse for the environment than meat. Lettuce was found to produce more emissions than bacon.
XEO4E TIL George Lucas tried to be an officer in the US Airforce but was rejected because he had too many speeding tickets
9JLD TIL Jackie Chan once broke 12 cement blocks with a fist holding an egg without damaging the egg