› added 12 years ago

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TIL a greetings card that can play ‘Happy Birthday’ has more computing power than existed in the whole world in the 1950s.

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Y7R6B TIL the spiders Chrysso venusta and Cyrtophora cicatrosa can rapidly change their colours, similar to ectotherms such as reptiles, frogs, cephalopods (including species of squid, octopus, cuttlefish), insects, crustaceans and fish
Y78md TIL the bell on a cat's collar exists to limit their hunting potential, with the bell being observed to reduce captured birds by 30%-40%
LQjD0 TIL that during World War I, the U.S. government urged women to stop buying corsets to conserve metal. This effort reportedly saved 28,000 tons of metal—enough to build two battleships.
x7Mo TIL that there was a proposed initiative to divide California into six different states. If passed, it would have created a new richest state and a new poorest state, both being adjacent to one another.
xkN1 TIL a nutrition professor went on a 10-week long diet of mostly Twinkies, Nutty bars, Powdered donuts, Doritos, Oreos, and sugary cereals. He lost 27 lbs, his cholesterol markers improved, and his bodyfat dropped by 10%.