Traces of cocaine were found on 99% of UK bank notes in a survey in London in 2000.
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A female photographer in the 50s took tens of thousands of pictures and remained remained unknown until her death. She is now considered one of the most important street photographers ever.
20
In Ancient Egypt, some people paid their taxes in honey.
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A singing birthday card has more computing power than the allied forces in 1945.
30
In 1799, a boy found a 17lb. rock in a creek in North Carolina and used it as a doorstop. It was actually gold.
34