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TIL Bald Eagles’ nests are enormous. One nest in Florida was found to be 6.1 m (20 ft) deep, 2.9 meters (9.5 ft) across, and to weigh 3 short tons (2.7 metric tons).

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0dAZ1 TIL that Agave - the source of all tequila - is a member of the Asparagus family
xVl8g Today I learned of Guugu Yimithirr, an Aboriginal language without words for egocentric/relative directions like "left and right." Rather its speakers are trained to keep track of pure cardinal directions. for example, saying "North leg" when referring to the left leg of an eastward facing person.
oBWgo TIL in 1900, when submarines were being introduced to navies, Admiral Arthur Wilson called them underhanded, threatening to hang enemy sub crews as pirates. So, in 1914, when Max Horton commanded Britain's first sub engagement against the Germans, he ordered his crew to fly a Jolly Roger.
oByxA TIL, there are only 3 people in the United States still using iron lungs.
6Ebal TIL /remembered about the Balloon Boy Hoax