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TIL A man named Dean Karnazes has a physiological advantage in that he doesn't seem to have a lactate threshold; thus was able to run 350 miles in 3 days without sleep

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679Y TIL that there is an ancient Babylonian tablet dated from 1800 BCE which contains a list of Pythagorean Triples.
kJ475 TIL the term "semi" as in semi-trailer bears the name from the trailers ability to support itself. A trailer can fully support itself whereas a semi-trailer has no front axle, requiring support from the tractor portion to remain stable.
JvV4 TIL that toilets in ancient Rome were bad enough to warrant prayers to the Gods of fortune written on the walls. Problems included bursts of flame from the methane buildup, and biting creatures emerging from below.
N7NpP TIL In 1963 disc jockey Wolfman Jack started broadcasting from a station across the U.S.-Mexico border whose high-powered border blaster signal was picked up across much of the United States and at night as far away as Europe and the Soviet Union.
gMeVA TIL aquariums aren't allowed to pay to get animals from other aquariums as it encourages poaching. So there is a barter system in place where they swap animals. A New England aquarium traded a dozen penguins for 800 mackerel and their basic unit of trade is the jellyfish