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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Sound travels fifteen times faster through steel than through air.
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Because heat expands the metal, the Eiffel Tower always leans away from the sun.
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4.5 pounds of sunlight strike the Earth each day.
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Marie Curie, the Nobel prize winning scientist who discovered radium, died of radiation poisoning.
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Scientists are attempting to create a synthetic brain by reverse-engineering the mammalian brain down to the molecular level. A cellular human brain is predicted possible by 2023. It hopes to shed light on consciousness.
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Every day, plants convert sunlight into energy equivalent to six times the entire power consumption of human civilization.
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A cubic yard of air weighs about 2 pounds at sea level.
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