› added 10 years ago

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TIL the fastest man made object ever made was a manhole cover that was propelled to a speed of more than 41 miles per second due to an underground nuclear blast in 1957.

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JYwx4 TIL About the rarest blood on Earth. In 49 years, Rh-null has only been known in 43 or so people around the world.
R79JQ TIL dogs wag their tails with a right bias in positive situations and with a left bias in negative situations.
v1rX7 TIL in Ancient Mesopotamia, people would regularly pour libations (liquids and grain) into their deceased relatives graves through a pipe as it was believed the dead did not have anything to eat or drink in the underworld besides dry dust.
8ekW4 TIL a robot named HitchBot successfully hitchhiked across Canada, Germany and the Netherlands, but got decapitated while hitchhiking across the US
R5d8w TIL Mozart composed a song called "Lick Me In The A**" - and by extension, we're much more prudish now about bodily humour than we were in the past.