At birth, a panda is smaller than a mouse and weighs about four ounces. See more

The blue whale has a heart the size of a small car and its blood vessal is so broad, that a person could swim through it. See more

Venus is the only planet in the solar system to spin backwards. See more

Calculating DNA length for each person, it would stretch across the diameter of the solar system. See more

You can't kill yourself by holding your breath. See more

The human heart creates enough pressure when it pumps, to squirt out blood 30 feet high. See more

In a year, your heart can beat up to 40,000,000 times!. See more