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159

TIL that female tears contain chemicals which can decrease sexual arousal and aggression in men.

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eMRb TIL in January 2015, Stephen Hawking, Elon Musk, and dozens of artificial intelligence experts signed an open letter on AI, calling for research on the societal impacts and urging researchers not to create something which cannot be controlled.
QJjBL TIL that male octopuses mate using a specialized arm called a hectocotylus that is sometimes (depending on species) torn off and presented to the female. There are even species that have two hectocotylized arms.
KObvQ TIL that an animal's brains are also an essential part to tanning hides and furs, and each animal has exactly enough brains to tan its own hide.
WkAgB TIL than Hispanics paradoxically live longer lives than non-Hispanic White Americans despite having lower average income and education. Researchers have not been able to find out exactly why but they believe it has to do with either lower smoking rates, stronger family connections, or healthier food
WJpA TIL That in 2011 sea levels around the world dropped by almost a cm due to massive rainfalls across Australia.