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TIL that actress Lupita Nyong’o ‘s mtDNA is extremely close to that of “Mitochondrial Eve,” a woman who walked the earth 200,000 years ago, and is the “mother” of us all.

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WkokB TIL that Coca-Cola never patented their "secret formula" because otherwise they would be required to disclose it to the public.
loeAG TIL in 2015 a new antibody test was announced by a researcher at Brigham and Women’s Hospital in Boston that can reveal every virus your body has ever mounted a response against. The researcher estimated it would cost $25 per test.
yrQe TIL: There is a tree in Africa that is called “Bloodwood trees” because its sap is blood red.
ADnY7 TIL: The beaches of Guarapari in Brazil are naturally radioactive. The beaches contain high levels of monzite, which contain uranium and thorium The background radiation is 161 times the background for most places in the U.S. For daily beach goers, this amount is well-above safe levels.
ZdOp TIL Half of Consumers in America Don’t Trust Advertising