› added 19 hours ago

TIL that Palatine Rugae (the ridges on the top of your mouth) are unique to every person and can be used to ID corpses

Read more sciencedirect.com

via reddit.com

j6nBa TIL that when designing the Hewlett-Packard 9100A desktop calculator, Bill Hewlett insisted that it be small enough to fit on his desk's typewriter stand. The prototype was slightly too large. A HP carpenter secretly modified the desk so the calculator would fit.
0dRPN TIL prehistoric cave art may have been an early form of cinema. When torch light is simulated at the historic hearth, superimposed images on the wall appeared to move. Rhinos charge, antelope leap and arrows fly.
78NwZ TIL about Christa Pike, the youngest woman to be sentenced to death in USA. She was sentenced for killing a fellow student, Colleen Slemmer, in 1995. Pike was only 18 at the time of the murder and was motivated by jealousy.
e07JJ TIL that North and South Korea engaged in a 'flagpole war' during the 1980's to build a tall flagpole. This resulted in North Korea having the tallest flagpole in the world for over a decade at 160 meters high.
rlre TIL that one theory on why we are ticklish is that it serves as a mechanism for developing combat skills. Most often practiced from parent to child, tickling activates vulnerable areas on the body that develop a defensive reaction while producing laughter that encourages the ‘attacker’ to continue.