One cubic foot of gold weighs more than 1,200 pounds!
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According to scientists, the color of the cup that we're drinking from can alter our perception of the actual taste of the drink.
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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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Oak trees produce 2,200 acorns in a season, but each acorn only has a 1 in 10,000 chance of becoming an oak tree.
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One ragweed plant can release as many as one billion grains of pollen!
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4.5 pounds of sunlight strike the Earth each day.
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