› added 8 years ago

263

TIL that polar bears are undetectable by infrared cameras

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Egy9X TIL that adults have 206 bones, while babies start out with around 305. Bones fuse together as we grow, which is why we end up with fewer bones than we had at birth, with a quarter of our bones being in our feet.
g4gL TIL that in 2014 a potential new state of matter called “disordered hyperuniformity” was discovered in the eye of a chicken.
Bg0ND TIL in 1862 John Langdon Down was the first to describe a distinct mental disability, calling it "Mongoloidism" due to patients' thin eye shape and shorter stature. Now known as Down Syndrome, was discovered in the 1950s to be caused by the presence a third copy of chromosome 21.
PYVg TIL that John Lennon’s mother was killed by an off duty police officer who was never charged
mxn4E TIL that 75% of the Aluminum ever mined is stillin use today, meaning a soda can you once used could have ended up being recycled for use in a Satellite or rocket booster