› added 6 years ago

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TIL that tin foil hats are actually a very bad way of keeping signals out of your brain - tin foil actually amplifies those signals.

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Nn0Q TIL that when the global food price index rises above 210 worldwide riots breakout.
xVbWB TIL a Texas professor failed his entire class and quit, because he thought that all of his students were disruptive or dishonest and therefore didn’t deserve to pass the course. He said the class was his worst in his 20 years of teaching.
7rV1Z TIL The Viking Rollo, first ruler of Normandy, was called "Gaange Rolf" or "Walking Rolf" because he was too heavy for any horses to carry and had to walk everywhere
LbR0 TIL that a solid 8 hour sleep is actually unnatural to us as a species. A 4 hour sleep, waking for 1-2 hours, followed by another 4 hour sleep is how we slept for the majority of evolution. The change to a solid 8 hour sleep was originally attributed to improvements in lighting and other things.
6En1w TIL members of the crow family (crows, Jays, Ravens, etc) can conceive of 'fair' and 'unfair' treatment and can hold grudges against specific humans for years at a time. They also hold funerals for their dead.