1. Your left lung is smaller than your right lung to make room for your heart.

2. The verb cleave is the only English word with two synonyms which are antonyms of each other: adhere and separate.

3. When you blush, the lining of your stomach also turns red.

4. When hippos are upset, their sweat turns red.

5. The first Harley Davidson motorcycle was built in 1903, and used a tomato can for a carburetor.

6. The lion that roars in the MGM logo is named Volney.

7. Google is actually the common name for a number with a million zeros.

8. Switching letters is called spoonerism. For example, saying jag of Flapan, instead of flag of Japan.

9. It cost 7 million dollars to build the Titanic and 200 million to make a film about it.

10. The attachment of the human skin to muscles is what causes dimples.

11. There are 1,792 steps to the top of the Eiffel Tower.