A cow produces around 200,000 glasses of milk in her lifetime.
373
The average sperm cell swims at 8 inches per hour.
4
Before making Finding Nemo, the animation gurus at Pixar Studios had to take a graduate class in fish biology and oceanography.
13
The exact cause of death and burial site of Genghis Khan is unknown, because all of the 2000 funeral guests and 800 soldiers were killed in order to preserve the secret.
16
Rio de Janeiro was once capital of Portugal, making it the only European capital outside of Europe.
9