› added 10 years ago

100

TIL that concrete is sometimes imbued with special bacteria, allowing itself to self-heal and strengthen through calcification.

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16MyW TIL that the word "robot" was first used in a play titled "R.U.R.," written by Czech writer Karel Čapek in 1920. The term comes from the Czech word "robota," meaning "forced labor" or "drudgery."
5YdJP TIL polar bears' liver have a vitamin A content so high, its considered poisonous. When hunting them, the livers are buried or burned to prevent the hunter's dogs from eating them.
LkVBr TIL that the panther is not a species of its own. Panthers in Africa and Asia are simply melanistic leopards, while panthers in the Americas are melanistic jaguars.
y8Ow TIL that Nintendo Japan liked Nintendo of America’s translation of Animal Crossing so much, they re-translated and released it in Japanese.
P1eYE TIL Polar Bear skin is actually Black and it’s Hair is made of Keratin protein.