Scientists are learning from the 1700-year-old Lycurgus Cup, which changes colour thanks to nano particles.
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The average temperature at 40,000 feet above sea level is -60 F.
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When you walk down a steep hill, the pressure on your knees is equal to three times your body weight.
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Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
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A single cup of gasoline, when ignited, has the same explosive power as five sticks of dynamite.
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If you blowtorch Pepto-Bismol, you would get a hunk of metal.
114
One 75-watt bulb gives more light than three 25-watt bulbs.
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