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TIL in the quantum universe, the future can cause the past

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16JK7 TIL for 50+ years, Australian children in the outback attended school via shortwave radio and sent homework via air mail due to the distance between homes. "Schools of the Air" were many children's first social experience outside their families; its quality equaled or surpassed traditional schools'.
1XEr TIL that the “rules of the food game in America are organized in such a way that if you are eating on a budget, the most rational economic strategy is to eat badly — and get fat. Adam Drewnowski found that a dollar could buy 1,200 calories of cookies or potato chips but only 250 calories of carrots.
LkoKm TIL it is estimated a quarter of the entire human population is infected with the airborne disease Tuberculosis
v1bLR TIL phages (a group of viruses) were supposed to be studied as antibacterial agents in human medicine, but were cut short by the discovery of penicillin shortly after. With today's increasingly drug-resistant bacteria, phages are being considered once again.
kONe TIL in 1997, a cow fell out of a plane and sunk a boat.