Leonardo Da Vinci predicted the mass use of solar energy as long ago as 1447.
153
The ancient Egyptians thought the function of the brain was to produce snot.
16
Unsinkable Sam (nickname of a German ship's cat) who served on 3 warships, one German, two British, all sank in action. The cat survived each sinking, floating away on wooden planks to rescue.
19
The Aztecs were the first to serve chocolate as a drink. They also mixed it with hot chili pepper to make it really 'hot'.
13
It has been calculated that every 2 minutes, we take more pictures than all of humanity in the 19th century.
13