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TIL that the studies focusing on human nature and behaviour overlook 85% of the people on Earth. Majority of these studies take into account a narrow slice of humanity - college students, people living near universities and highly educated residents of wealthy and industrialised countries.

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yn8J TIL that penguins have an organ which removes salt from water, allowing them to drink salt water.
b6DlQ TIL that a popular brand of stage blood is actually mint-flavored.
N7Y66 TIL Carl Hagenbeck was German animal supplier for zoos. He would go on to create "human zoos" where he would show off indigenous people living among animals in exhibits for guests to watch.
W9G4 TIL in 1988 Philly gangster Jackie DiNorscio, in the longest criminal trial in U.S. history, fired his lawyer, defended himself and through charm, wit and no legal experience, convinced a jury to acquit him and 19 other defendants of charges of loansharking, extortion, trafficking, arson and murder
DQ9Dr TIL Horseshoe crab blood is a valuable medical resource used to test drugs, and medical devices for bacterial contamination.