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TIL that a man coughed up a 6-inch blood clot in the shape of a bronchial tree

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N7b68 TIL Many psychology experts believe the darkness in fairy tales actually helps children learn to cope with terrible things in the real world. As an example the Beauty and the Beast involves the exposure to ugly danger, the monster, and the triumph over evil, and then finding of the good in the evil!
4kBD5 TIL that swinging our arms when walking makes us spend less energy and walk faster than if we tried to hold them still.
klK1 TIL a “Banana Equivalent Dose” is used to measure radiation. It is the potential radioactive dose due to naturally occurring radioactive isotopes by eating one average sized banana. Bananas are literally used for scale!
PYerV TIL it took 49 years to publish the first authoritative English dictionary. It took five years to publish the first part, A to Ant.
MeEjK TIL Tupac Shakur made his movie debut in 1991’s “Nothing But Trouble” with Digital Underground, singing his original tune, “Same Song.”