If you keep a goldfish in a dark room, it will eventually turn white. Women blink nearly twice as much as men. The name of all the continents end with the same letter that they start with. The word racecar and kayak are the same whether they are read left to right or right to left. A snail can sleep for three years.
China has more English speakers than the United States.
The electric chair was invented by a dentist. Did you know you share your birthday with at least nine million other people in the world. Cats have over one hundred vocal sounds, dogs only have about ten. Our eyes are always the same size from birth, but our nose and ears never stop growing. In every episode of Seinfeld there is a Superman somewhere.