› added 9 years ago

139

TIL that the Hoover Dam, adjusted for inflation, cost less than a modern B2 Stealth Bomber

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koxe TIL night vision is always green because the human eye can see more shades of green greater than any other colour.
1678 TIL that the Nazi eugenics programme was heavily influenced by the American one, and that prominent American scientists praised it.
nRdB TIL at a ‘The Who’ concert in 1969, a man rushed the stage and tried to take the microphone. Roger Daltrey punched him in the face, and Pete Townshend kicked him in the crotch. The man was actually a plain-clothes policeman trying to warn of a large fire next door. Townshend was later arrested
K4LB TIL Almost 90% of the founding members of the NAACP were white
1RnO TIL that in Sydney Australia snipers are deployed to protect colonies of little penguins from predators