› added 4 years ago

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TIL blood is often red, but also blue, green and clear, depending on how oxygen is transported around the body.

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O9xR TIL that in 2003 the U.S. Government forcibly seized some 500 horses from two elderly Western Shoshone women on the grounds that they were grazing and destroying “public land”, they later found vast deposits of gold, phosphates, and geothermal energy and are now power mining to extract the gold
GYB9Q TIL the people of Africa have more genetic diversity than the rest of the world combined.
dAW7 TIL that Sylvan Goldman, inventor of the shopping cart, had to hire actors to walk around his store pushing shopping carts to convince customers to use them. Men didn’t want to seem feminine by using them and women didn’t want to feel like they were pushing a baby buggy.
d5A7 TIL that if bill gates spent all of his net worth on antimatter, he’d have enough to buy 0.069 of a gram
0wYBy TIL about hyperparasitism, where a parasitic species is itself parasitised by another parasite. Up to three levels of parasitism have been identified - specifically a fungus on a fungus on a fungus on a tree