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TIL: Human hair rejected by wigmakers and sent from hair salons is being used to create oil adsorbing booms for ocean oil spills. Hair can adsorb 3-9 times its own weight in oil.

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6ElOY TIL there was a sign language developed in the Rennell Island by a deaf person living there, that was only used by him and his acquaintances and disappeared when he died.
v1RW8 TIL The company Luis Vuitton collaborated with the Nazis during World War II.
QJLKa TIL That when a domestic cow and an American Bison mate the offspring is called a "Beefalo"
j6jlX TIL "Tater Tots" were invented by Nephi Grigg, co-founder of Ore-Ida in 1953 using excess potato shavings from making frozen french fries. Originally, these shavings were sold as livestock feed.
R0w8 TIL that the can opener was invented over 75 years after the invention of the can. Early cans were intended to be opened with a hammer and chisel.