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

The longest word in the English language is 1909 letters long and it refers to a distinct part of DNA. See more

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

The telescope on Mount Palomar, California, can see a distance of 7,038,835,200,000,000 million miles. See more

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

The light from your computer screen streams at you at almost 186,000 miles a second. See more

It takes about 20 seconds for a red blood cell to circle the whole body. See more

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

Most marine fish can survive in a tank filled with human blood. See more

A day on the planet Mercury is twice as long as its year. See more