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TIL the second most spoken first language in Brazil is German (various dialects)

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QjXe TIL that the caffeine in the coffee plant, like capsaicin in chili peppers, is meant to be a toxic substance to deter herbivores.
5Vg58 TIL in WW2 the British emplyed Operation Window which used a highly effective tactic to jam German radar - dropping plane loads of small pieces of aluminum and zinc foil
XEWL8 TIL of a 2011 study that analyzed the decisions made by a panel of judges who spent several days reviewing parole applications. It turned out that the likelihood of a prisoner getting parole was mostly determined by how hungry the judges were at different times in the day.
gBd9 TIL that the allies tricked the German postal service into inadvertently delivering anti-Nazi propaganda by airdropping bags of mail near bombed mail trains.
k7wm TIL that scientists at Chernobyl shot at radioactive material with an AK-47 in order to break off chunks for analysis