1. Surprising!
   1. Cats spend 70% of their lives sleeping.
   2. The oldest cat in the world was 38 years old.
   3. Cats dream, just like people do.
2. Physiology
   1. The record for the longest cat ever is 48.5 inches.
   2. House cats share 95.6% of their genetic makeup with tigers.
   3. Cats have 230 bones versus humans only have 206.
3. History
   1. The oldest known pet cat existed 9,500 years ago.
   2. In 1963 a cat went to space.
   3. Abraham Lincoln was a crazy cat president.
4. Communication
   1. A cat with a question-mark-shaped tail is asking, "Want to play?"
   2. Cats have up to 100 different vocalizations versus dog's 10.
   3. Cats developed meowing exclusively to communicate with people.