Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
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The earth is approx. 6,588,000,000,000,000,000 tons.
175
4.5 pounds of sunlight strike the Earth each day.
27
Scientists concluded that the chicken came first, not the egg, because the protein which makes the egg shells is only produced by hens.
11
Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin.
65
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
Cold water weighs more than hot water.
93