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TIL nearly 6% of Americans are millionaires. Many live near what have been called ‘wealth-building engines,’ places that have technology, finance and defense. Not one area in the middle of the country make the list.

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0dvYR TIL Velcro hates it when you use "Velcro" as an actual word.
nex9G TIL That the current London Bridge is only about 40 years old, and the original 188 year old bridge is now in Arizona.
oRlGW TIL that the plastic cover on an emergency switch on devices is called a Molly-guard because the inventor's daughter (Molly) kept pushing the button.
0Kxj TIL of Beelzebufo, or “Devil Frog,” a prehistoric frog that weighed 10+ pounds and could have eaten baby dinosaurs.
RpZ7 TIL that in 2012 a rat brain in a dish was able to successfully pilot an F-22 fighter jet simulator.