Traces of cocaine were found on 99% of UK bank notes in a survey in London in 2000.
142
The life expectancy in 1900 was just 47 years.
49
During the Cold War, the US had planned to detonate a nuclear weapon on the moon.
25
Ancient Greeks believed that redheads turned into vampires after they died.
40
The U.S. motto, 'In God We Trust', was not adopted as the national slogan until 1956.
72
