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TIL that the human fingertip can feel the difference between a smooth surface and one with a pattern embedded just 13 nm deep

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Vdgp TIL that Bell distributed a manual cardboard computer to high school students in 1968 to teach them how computers work
XEVjj TIL: On 17 April 1955, Einstein experienced internal bleeding caused by the rupture of an abdominal aortic aneurysm. He refused surgery, saying, "I want to go when I want. It is tasteless to prolong life artificially. I have done my share; it is time to go. I will do it elegantly."
odZL TIL according to Egyptian mythology, when the ancient Egyptian sun god Re cried, his tears turned into honey bees upon touching the ground.
yWxw TIL the West African Ebola outbreak is linked to people eating bats.
aJKb TIL that on a trip to Sierra Leone in 2009, Salma Hayek spontaneously breast fed a local infant