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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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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Termites are being researched as a possible renewable energy source as they can produce up to 2 litres of hydrogen from ingesting a single sheet of paper, making them one of the planet’s most efficient bioreactors.
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Hot water can freeze faster than cold water.
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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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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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If the chemical sodium is dropped into water it will immediately and violently explode.
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0.3% of solar energy from the Sahara is enough to power the whole of Europe.
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