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TIL the reason there are no green mammals --- mammals are hairy, and mammalian hair has only two kinds of pigment: one that produces black or brown hair and one that produces yellow or reddish-orange hair.

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VB1pB TIL that there is a rare medical condition called Foreign Accent Syndrome, where a person's accent changes as a result of brain damage or injury. This condition has affected people all over the world, causing them to suddenly speak with a different accent than they've never had before.
gr6W8 TIL about the Mapogo lion coalition of 6 male lions that took over 70K hectares, which was ruled by 8 different prides and killing over 100 lions in the process. They completely changed the entire Sabi Sands ecosystem.
Z6Q TIL Adding sage to your campfire is a natural way to keep bugs away.
8rr4 TIL that since 1945, the USA has attempted to overthrow more than 50 foreign governments, most of which had been democratically-elected
DQ0wD TIL that the microwave was invented by accident more than 70 years ago when a Raytheon engineer named Percy Spencer was testing a military-grade magnetron and suddenly realized his snack had melted.