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TIL The average male medieval peasant ate between 160% to 200% more calories than your average male now. Which kind of explains why it’s so hard to sustain 1500 calorie diets…

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Zpd94 TIL about the Ka'u desert, a desert in the big island of Hawaii, that was created by the acid rains of the eruptions of the mount Kilauea. Is the only insular desert of the USA
dWDK TIL: That no participant of the U.S. Marshal’s witness protection program who have followed the established guidelines have been harmed since it’s inception in 1971.
dDMgZ TIL that humanity has a 95% probability of going extinct by the year 10,000 AD according to Brandon Carter's formulationof the controversial Doomsday argument, which argues that half of the humans who will ever have lived have probably already been born.
68V7 TIL that during WW2 the Allies discovered that the Germans were using the Leaning Tower of Pisa as an observation post. A U.S Army Sergeant that was sent to the tower to confirm the presence of German troops was impressed by its beauty and decided to not order an artillery strike on it.
QNga9 TIL: The hand is a non-SI unit of measurement of length standardized to 4 in (101.6 mm), used to measure the height of horses in many English-speaking countries, including the USA.