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TIL the Lewis & Clark expedition only suffered one casualty. Dysentery, snake bites, a dislocated shoulder, venereal disease and Lewis being shot in the buttocks after being mistaken for an elk all threatened the group's well-being, but the only man to die did so as a result of a burst appendix.

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l7KRa TIL about Orotidine 5'-phosphate decarboxylase, an enzyme known for its extreme efficiency, it accelerates a certain reaction that would take normally 78 million years to 18 milliseconds.
R7v81 TIL that the toxin that causes botulism (botulinum) is so potent, a crystal of it the size of a grain of sand is enough to kill up to 9,600 people.
yWxw TIL the West African Ebola outbreak is linked to people eating bats.
LN8P TIL: In 2006, Hungarian protesters hotwired a 50 year old Soviet T-34 tank that was part of an outdoor memorial and drove it against the riot police.
Br80d TIL of Green Boots, the body of an unidentified mountaineer that became a landmark on the main Northeast ridge route to the summit of Mount Everest. As of 2019, over 300 people have died on Everest and many of their bodies remain on the mountain.