› added 6 years ago

52

TIL: Pennsylvania makes 80% of US pretzels

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4Xpb5 TIL White chocolate is white because it doesnt contain cocoa solids. Instead it is made from cocoa butter (the fatty part). As a result, one can tell that the more yellowy white chocolate is actually better quality than the white chocolate.
oDyo TIL there’s a theory that humans went nearly extinct 7,000 years ago.
rNJbW TIL that 0.8% of the population is unable to form visual mental images, per a 2022 study.
Y7PlW TIL that Canada's Dempster Highway, the only public road to cross the Arctic Circle, once had a 109-mile stretch called Tuktoyaktuk Winter Road. Tuktoyaktuk Winter Road was purely made of ice and could only be operated, especially by large trucks, during the winter as the river below was frozen.
kJWQE TiL that while primary endosymbiosis, which originated the plastids and the mitochondria, happened only once, secondary endosymbiosis happened several types, giving rise to many different, unrelated groups of algae that got their plastids by engulfing other eukaryotes that had engulfed bacteria!