Recently, archaeologists excavating in the old medieval town of Odense in Denmark uncovered 700-year-old barrels of poop - and, to their surprise, they still smelt.
11
A singing birthday card has more computing power than the allied forces in 1945.
30
The Titanic was the first ship to use the SOS signal.
149
Leonardo da Vinci could write with one hand and draw with the other at the same time.
56
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
Each king in a deck of playing cards represents a great king from history: spades - King David, clubs - Alexander the Great, hearts - Charlemagne, and diamonds - Julius Caesar.
33
To take an oath, ancient Romans put a hand on their testicles
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