About 70 percent of your body weight is water. See more

Leonardo Da Vinci invented the scissors. See more

Your muscles make up about one-half of your body weight. See more

The electric chair was invented by a dentist. See more

Zero point energy is a source of energy which is released when atoms stop moving, at -273 Celcius. See more

Astronaut Neil Armstrong first stepped on the moon with his left foot. See more

The heart beats about 100,000 times each day. See more

10% of human dry weight comes from bacteria. See more

If you have a car remote and you step out of its range, point it to your head and it will work again! See more