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TIL that cognitive decline is slower for people exercising regularly, and increased physical activity levels can slow down brain aging by 10 years

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XEY98 TIL "Raisin-BRAN" lost it's trademark in 1944 when a court ruled the name was too generic for trademark protection. Skinner Manufacturing Company introduced Raisin-BRAN in 1925 and enjoyed monopoly until 1942 when Post and Kellogg introduced competing products with the same name
QJ41a TIL Female Dragonflies will fake their own deaths in order to avoid sexual advances from unwanted males.
p8418 TIL that the "boiling frog fable" - the premise that a frog suddenly put into boiling water will jump out, but if put into tepid water which is then slowly brought to a boil, will cook to death - is false: a frog that is gradually heated WILL jump out
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