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TIL worms survived NASA's Columbia Shuttle Disaster

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PXyg TIL that as of 2003, there were between 50 and 100 people in the US who had nuclear-powered pacemakers.
W77PL TIL that most of the heat a spacecraft encounters re-entering earth’s atmosphere is caused by compression, not friction.
epxm4 TIL that the song Do Re Mi from The Sound of Music is in the key of B flat major, not C major, and that Do doesn’t necessarily mean C.
DQn0r TIL that there is a type of bird called Secretary Bird which specializes in stomping their prey until it is killed or immobilized
Myx0 TIL hair texture is caused by follicle shape. Round follicles grow straight hair, flat follicles grow curly hair.