Scientists are learning from the 1700-year-old Lycurgus Cup, which changes colour thanks to nano particles.
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The earth is approx. 6,588,000,000,000,000,000 tons.
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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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One third of the electricity produced on earth is used to power electric light bulbs!
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Because heat expands the metal, the Eiffel Tower always leans away from the sun.
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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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Marie Curie, the Nobel prize winning scientist who discovered radium, died of radiation poisoning.
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Sound travels fifteen times faster through steel than through air.
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