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TIL: An Alaskan husky in the Iditarod will burn about 9,666 calories each day; a rate of caloric burn 3.5 times that of a human Tour de France cyclist. The aerobic capacity of a typical Iditarod dog is three times that of a human Olympic marathon runner.

d85E8 TIL Sony released a camera in 1998 that could see through people's clothes. It included an infrared powered night mode that consumers realized could turn dark fabric and swimsuits transparent. Sony sold 700k "x-ray cameras" before fixing the issue in manufacturing.
VBwR8 TIL Shogun Tokugawa Ieyasu, who started the persecution of Catholics, died in 1616 and for many centuries it was believed to be from over-eating tempura, a dish invented by Catholics during Lent while they were visiting Japan in 1543, which was the same year the Shogun had been born. (Maybe Cancer)
mkZv TIL when corn was first utilized by colonists and Europeans, they ignored the Native American’s process of first treating it with lime-water, which makes available the corn’s niacin to the body. As a result of their dependence on the crop, hundreds of thousands died of Pellagra, a niacin deficiency.
OGJm6 TIL about the 2010 Filair Let L-410 crash, caused by a crocodile that was smuggled on board. It got loose and caused a panic, affecting the weight of the aircraft as all on board ran towards the cockpit. The croc survived the crash (along with one person) but was killed by a machete shortly after
pEZQ TIL that if you keep smelling something that is not really there, you may be experiencing the earliest symptoms of schizophrenia