› added 7 years ago

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TIL that crows can hold grudges and are even known to pass it on to its chicks.

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EgrEo TIL that when women become pregnant, their periods stop temporarily.
a8Nvo TIL that as a teenager, Billy Joel took up boxing so he could defend himself. He boxed successfully on the amateur Golden Gloves circuit for a short time, winning 22 bouts, but abandoned the sport shortly after his nose was broken in his 24th match.
7r9r TIL that the Playboy rabbit head is hidden on almost every cover since the 1960’s
rN4Qx TIL that the first use of an external defibrillator was on a 14-year-old boy in 1947. These early defibrillators used alternating current that was transformed from 110–240 volts available in the line, up to between 300 and 1000 volts, to the exposed heart by way of "paddle" type electrodes.
7r70O TIL that there are four national cemeteries that are allowed to fly their flags at half mast all the time - Pearl Harbor, Gettysburg, Arlington, and Mackinac Island