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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Approximately 70 percent of the earth is covered by water. Only 1 percent of this water is drinkable.
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The bark of an older redwood tree is fireproof.
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If you are locked in a completely sealed room, you will die of carbon dioxide poisoning first before you will die of oxygen deprivation.
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Hot water can freeze faster than cold water.
181
Most dust particles in your house come from dead skin.
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Most dust particles in your house are made from dead skin!
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For every gallon of sea water, you get more than a quarter pound of salt.
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