Scientists are now able to grow 'beating' heart tissue in a lab!
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There are more atoms in one teaspoon of water than there are teaspoons of water in the Atlantic Ocean.
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Your brain is 80% water.
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German chemists made a replica of a trophy the size of one molecule.
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Each day, up to 150 species of life become extinct.
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The Earth's atmosphere weighs about 5.5 quadrillion tons.
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A cubic yard of air weighs about 2 pounds at sea level.
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