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TIL Only 1.38% of Little Boy, the bomb that fell on Hiroshima, fissioned. Yet is still had a blast radius of 4.4 sq. miles.

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XEWdD TIL coral are actually animals, not plants, since they do not make their own food. They are the largest structures of biological origin on Earth. Most structures that we call "coral" are, in fact, made up of hundreds to thousands of tiny coral creatures called polyps, which secrete calcium carbonate
XWlE TIL in 2012 Drake had his security team threaten a tattoo artist in his shop, while Drake sat in the car outside.
b9MGE TIL of Project West Ford, a semi-successful Cold War attempt to construct an artificial ionosphere comprised of space needles in Earth's orbit to assist in military communications.
69167 TIL Ludwig Van Beethoven's Für Elise was never released in the composer's lifetime, and wasn't discovered until 40 years after his death
YpBWr TIL about Grain Entrapment. Large quantities of grain stored in places like silos will suddenly shift and may trap people caught in their motion. In 2010 alone this resulted in 26 deaths in American farms.