The Earth's atmosphere weighs about 5.5 quadrillion tons.
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The storage capacity of human brain exceeds 4 Terrabytes.
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Balsa wood is classified as a hard wood!
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Cold water weighs more than hot water.
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One cubic foot of gold weighs more than 1,200 pounds!
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One ragweed plant can release as many as one billion grains of pollen!
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Liquid TIDE laundry detergent glows under a blacklight.
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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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