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297

TIL that in Argentina, orangutans are granted human-like rights

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6EYyQ TIL: Toilet paper wasn’t invented until the 1800s and many countries do not use TP!
9wJ5X TIL darker skin people need more sunlight to make vitamin D. One experiment where a light skinned person was in sunlight for 8 hours saw their vitamin D concentration go up by 50x while a dark skinned person saw no change. They needed 5-10 times the sunlight length and then only saw a 30x change.
MeVlB TIL President Ulysses S Grant was given a speeding ticket for driving his buggy “at a furious pace” through the streets of D.C.
VRX0 TIL that there are some females who have one extra type of cone (4 instead of 3) and can therefore see 100x the amount of colors regular people can. [tetrachromacy]
nej8W TIL As part of its military fortifications, Switzerland has set up thousands of demolition points that allow them to blow up their own roads, bridges, and railroads in the event of emergency, sabotaging all entry points into the country.