The life expectancy in 1900 was just 47 years.
49
The average life span of a peasant during the medieval ages was 25 years.
68
Ancient Romans at one time used human urine as an ingredient in their toothpaste.
37
Traces of cocaine were found on 99% of UK bank notes in a survey in London in 2000.
142
Harry S. Truman was the last U.S. President with no college degree.
55
There's no evidence that pirates made people walk the plank.
151
Modern humans first appeared about 200,000 years ago, but record keeping didn't begin until about 6,000 years ago. That means about 97% of human history is lost.
21