2. On average, cats spend 2/3 of every day sleeping. That means a nine-year-old cat has been awake for only three years of its life.

3. Unlike dogs, cats do not have a sweet tooth. Scientists believe this is due to a mutation in a key taste receptor.

4. When a cat chases its prey, it keeps its head level. Dogs and humans bob their heads up and down.

5. The technical term for a cat’s hairball is a “bezoar.”

6. A group of cats is called a “clowder.”

7. Female cats tend to be right pawed, while male cats are more often left pawed. Interestingly, while 90% of humans are right handed, the remaining 10% of lefties also tend to be male.

8. A cat can’t climb head first down a tree because every claw on a cat’s paw points the same way. To get down from a tree, a cat must back down.

9. Cats make about 100 different sounds. Dogs make only about 10.

10. A cat’s brain is biologically more similar to a human brain than it is to a dog’s. Both humans and cats have identical regions in their brains that are responsible for emotions.

http://weibo.com/peterliu