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273

TIL that women's tears contain chemicals that decrease sexual arousal and lower testosterone levels in men.

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pYP18 TIL that, in school, boys are graded more harshly than girls for the same work.
yQAm8 TIL of Herman Perry, an African-American WWII soldier who killed an officer and escaped into the Burmese jungle. Black soldiers were treated harshly and he had already been confined before. He won over and lived with a Naga tribe before he was found, then escaped again, then caught again and hung.
gZNX TIL During the second World War, pharmaceutical giant Bayer used slave labour and even bought slaves from Auschwitz to use a human guinea pigs for new drugs.
4XAVN TIL: Martin Luther King Jr. is honored in Hiroshima because of his anti-nuclear weapons stance
n91G TIL that about 50% of the earth’s heat is generated from radioactive decay from elements such as uranium and thorium