Columbia University has developed an artificial tree that passively soaks up carbon dioxide from the air using "leaves" that are 1,000 times more efficient than true leaves that use photosynthesis.
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Balsa wood is classified as a hard wood!
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Hot water can freeze faster than cold water.
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Indoor pollution is 10 times more toxic than outdoor pollution.
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No matter how cold it gets, gasoline will not freeze.
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A single speck of dust is half way in size between a subatomic particle and the Earth.
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The left ear is more responsive to words of love and emotion whispered into it than the right.
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The gas that gives rotten eggs their distinctive foul smell may slow ageing and block damaging chemical reactions inside cells, according to scientists in China.
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