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TIL The introduction of iodine in table salt by the Morton Salt Company raised average IQ in the U.S. by 3.5 points

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VBRlp TIL that all indigenous languages in Bolivia are official, hence Bolivia lists 36 languages as having official national status.
DQe5e TIL Coffee lowers risk of heart problems, early death, stroke, Alzheimer's, Parkinson's, type 2 diabetes, liver disease, and prostate cancer.
b9K8j TIL: Sculptor Selma Burke, a black woman, never received credit for her portrait of President Franklin D. Roosevelt, which was later adapted and featured on the US dime. It is widely accepted that the white John R. Sinnock's obverse design on the Roosevelt dime was adapted from Burke's work.
KYNNG TIL about competitive hot air ballooning, where pilots are tested on distance, speed, and navigation with multiple tasks. Competitions occur at national, regional, international, and world levels, with World Championships every two years.
XEYLX TIL outside the academic space Dmitry Mendeleev (creator of Periodic table of elements) was a man of unusual interests and the widest professional knowledge. It’s hard to count them all. He was a chemist, physicist, economist, meteorologist, technologist, geologist, meteorologist, pedagogue, aviator