Approximately 70 percent of the earth is covered by water. Only 1 percent of this water is drinkable.
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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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Iron weighs more after it rusts.
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Balsa wood is classified as a hard wood!
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Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin.
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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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Scientists concluded that the chicken came first, not the egg, because the protein which makes the egg shells is only produced by hens.
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The most expensive material on the planet is antimatter - worth $62.5 trillion per gram.
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