› added 4 years ago

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TIL that there is a man named Christopher who can speak sixteen languages - despite having non-verbal IQ scores between 40 and 70. He was diagnosed with brain damage six months after his birth, and is institutionalized because he is unable to take care of himself

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rRxpd TIL: The mouse was invented and patented by Doug Engelbart in 1963, though when asked who named it he said “No one can remember. It just looked like a mouse with a tail, and we all called it that.” The wire “tail” originally came out under the user’s wrist.
Wko59 TIL If you stretched the DNA in one cell all the way out, it would be about 2m long and all the DNA in all your cells put together would be about twice the diameter of the Solar System.
BrwlW TIL that term "laser" originated as an acronym for "light amplification by stimulated emission of radiation".
DXPg TIL up until the 19th century, Hawaii was mosquito free
ANLK4 TIL the sensitivity of a computer mouse is measured in "mickeys-per-inch".