› added 10 months ago

108

TIL that there is a specific bark of a male cheetah that causes females to ovulate.

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6EPew TIL that there was a successful chess-playing machine called "The Turk" constructed in late 18th century. Its secret, a chess master inside, wasn't revealed for almost a century.
LwKQ TIL following the 9/11 attacks, Batman Voice actor Kevin Conroy volunteered to cook for police and firefighters. At the behest of another cook he called out from the kitchen his iconic Batman line and was greeted by cheers and applause from the emergency service personal.
1aBwd TIL that before military planes had guns, in WWI, pilots used to throw "grenades, and other objects -- even grappling hooks" at each other.
EgMLx TIL that the British Empire was the largest in human history, about six times larger than the Roman Empire, occupying close to a quarter of the world
XEe6r TIL that peeling scotch tape in a vacuum produces radiation powerful enough to xray the human body