When written down, the word 'forty' is the longest word in the English language to have all of its letters in alphabetical order.

In Gulliver's Travels Jonathan Swift described the two moons of Mars, Phobos and Deimos, giving their exact size and speeds of rotation. He did this more than 100 years before either moon was discovered.

Cats sleep 16 to 18 hours per day.

AMAZING FACTS