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TIL: The skin of all human beings is covered in stripes. They’re called Blaschko’s Lines, and they cover the body from head to toe. We just can’t see them.

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VBlaD TIL that Frank Ryan earned a PhD in mathematics in 1965 while playing in the NFL for the Cleveland Browns.
Rnb8 TIL that when one of our fingers touches another, we perceive the sensation as weaker than when an external finger touches ours with the same force. Our brain filters the expected result of our own fingers touching in the evolutionary attempt to add importance and sensitivity to external events.
YJDG TIL that in developing countries, the use of birth control has lowered maternal deaths by 43%, and if full demand were met it could be reduced by as much as 73%.
dDEA7 TIL about Joseph James DeAngelo Jr. AKA the Golden State Killer. He is a former police officer who was a serial killer and serial rapist responsible for three crime sprees across California from 1974 to 1986 that the press thought were by different people. He was finally caught in 2018.
R50el TIL that during the Mexican revolution (1910-1920) 2 presidents were exiled and 4 were assassinated or murdered.