Einstein couldn't speak fluently when he was nine. His parents thought he might be retarded.
Intelligent people have more zinc and copper in their hair.
The most common name in the world is Mohammed.
Babies are born without kneecaps. They don't appear until the child reaches 2-6 years of age.
A rat can last longer without water than a camel.
A shark can detect one part of blood in 100 million parts of water.
Certain frogs can be frozen solid, then thawed, and survive.
The very first bomb dropped by the Allies on Berlin during World War II killed the only elephant in the Berlin Zoo.
Emus and kangaroos cannot walk backwards, and are on the Australian coat of arms for that reason.
If you put a raisin in a glass of champagne, it will keep floating to the top and sinking to the bottom.