› added 7 months ago

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TIL - Ants sometimes lay a trail of pheromones that circles back onto itself, trapping all the other ants in a death spiral where the entire colony runs to death.

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via reddit.com

epKAn TIL Spies Can Listen to Your Conversations by Watching a Light Bulb in the Room
aw68A TIL about John Sedgwick a US general who asked his men during a battle "Why are you ducking? They couldn't hit an elephant from this distance." Sedgwick was shot under the left eye by an enemy sharpshooter as he finished the sentence.
eDoJ TIL it would take Vietnam an estimated 300 years and 10 Billion Dollars to clear its territory of unexploded bombs, shells and mines.
w5B8 TIL that a seven year old girl set out on a highly-publicized attempt to be the youngest pilot to fly coast to coast. Her plane crashed less than 24 hours into the journey, killing everyone on board.
4ENJ TIL North Korean tunnels exist under the DMZ, apparently designed for a surprise attack on Seoul. 4 have been discovered since the 1970s, but there are suspected to be up to 20 more.