It takes 8 minutes for sunlight to travel from the sun to the earth. See more

Like fingerprints, everyone's tongue print is different. See more

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

You will have to walk 80 kilometers for your legs to equal the amount of exercise your eyes get daily. See more

It is impossible for a human to lick their elbow. See more

A teaspoon of neutron star material weighs about 110 million tons. See more

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

111,111,111 x 111,111,111 = 12,345,678,987,654,321. See more

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