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127

TIL About 10,000 years ago all humans had brown eyes.

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WgjB TIL “Prior to the first nuclear bomb detonation in July of 1945, isotopes such as strontium-90 and cesium-137 simply did not exist in nature.” Pieces of art and bottles of wine created before 1945 can be tested for cesium, if they contain traces of cesium they would almost certainly be fake.
x6jpD TIL: Renya Mutaguchi is one of Japan's most infamous generals. He acquired 20 days worth of food for the 4 month Battle of Imphal, leading to 55,000 of his 85,000 men to die of starvation before the battle. He suffered a 87% casualty rate and at the funerals, he handed pamphlets claiming he won.
6ED5Q TIL that while working for web host Tripod, Ethan Zuckerman invented one of most hated tools in the advertiser’s toolkit: the pop-up ad."
OorW6 TIL USSR banned lobotomies in 1950. Doctors there: "contrary to the principles of humanity" and "'through lobotomy' an insane person is changed into an idiot". Used in US until 1977.
9YDgM TIL of Smoky, a Yorkshire terrier who helped save the lives of 250 soldiers in 1944