Approximately 70 percent of the earth is covered by water. Only 1 percent of this water is drinkable.
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Most dust particles in your house are made from dead skin!
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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.
5
One barrel of petroleum holds 42 gallons.
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Marie Curie, the Nobel prize winning scientist who discovered radium, died of radiation poisoning.
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In 1999, Harvard physicist Lene Hau was able to slow down light to 17 meters per second and in 2001, was able to stop light completely.
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