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TIL 59% of 18-25 year olds in the United States are overweight or obese

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yKAM TIL: descendants of survivors of the Bubonic plague may be immune to the HIV virus.
rBEw TIL Zambia’s independence was declared on the day of the 1964 Olympics’ closing ceremony, making it the first and only country to start the Olympics as one country and end it as another.
R595Q TIL that Mithradates VI invaded the Kingdom of Cappadocia three times, deposing the puppet ruler each time, and afterwards, the Romans put the puppet ruler back on each time.
BrBwD TIL In the Strepsiptera the forewings evolved into halteres while, in the Diptera, the hindwings changed into halteres. Halteres have evolved at least seven times in insects, and in most cases it is known to be associated with improved manoeuvering in flight.
WmMo TIL in the 8th century, under pressure from the Arabs and Byzantines to convert to either Islam or Christianity, many of the Khazar nobility converted to Judaism.