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TIL hummingbirds eat soil and wood ash to supplement their diet of nectar with minerals.

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kOA07 TIL the world record for the loudest thing ever shouted belongs to an Irish female teacher who shouted the word “quiet” at 121 decibels, the equivalent of a jet engine.
5YVVk TIL a nationwide study conducted by the U.S. Geological Survey in 1999 and 2000 found low levels of pharmaceuticals—including antibiotics, hormones, contraceptives and steroids—in 80 percent of the rivers and streams sampled.
xWgb TIL that when President George Washington died, Emperor Napoleon Bonaparte ordered ten days of mourning in France.
aw59N TIL modern-day airplanes can withstand an intense amount of turbulence. The last time turbelance alone caused a plane crash was 1966.
Wg9A TIL that Oxford University was founded in 1249, some 75 years before the first appearance of the Aztec civilisation in 1325.