One cubic foot of gold weighs more than 1,200 pounds!
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4.5 pounds of sunlight strike the Earth each day.
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Scientists are learning from the 1700-year-old Lycurgus Cup, which changes colour thanks to nano particles.
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0.3% of solar energy from the Sahara is enough to power the whole of Europe.
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A cesium atom in an atomic clock beats over nine billion times a second.
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Research indicates that plants grow healthier when they are stroked.
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Dr.Jonas Salk, the man who came up with the cure for polio, didn’t patent the drug. This made the drug more affordable to the general public, and he lost out an an estimated $7 billion dollars for himself.
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