Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
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The use of emoticons affects our corresponding brain areas and can actually trigger emotions.
21
Scientists are now able to grow 'beating' heart tissue in a lab!
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A cubic yard of air weighs about 2 pounds at sea level.
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The weight of a carat (200 milligrams), standard unit of measurement for gemstones, is based on the weight of the carob seed.
51
The earth is approx. 6,588,000,000,000,000,000 tons.
175
At 15 years old, Jack Andraka invented a method of diagnosing pancreatic cancer, thus helping to save the lives of millions of people around the world. It is 168 times faster, 26,000 times cheaper, 400 times more sensitive, and has a 99% success rate.
15
The hair of an adult man or woman can stretch 25 percent of its length without breaking.
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