4.5 pounds of sunlight strike the Earth each day.
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The left ear is more responsive to words of love and emotion whispered into it than the right.
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Out of all the senses, smell is most closely linked to memory.
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Sound travels fifteen times faster through steel than through air.
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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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During photosynthesis, plants emit light humans can’t see, but NASA can see that light from space - and they've even made maps of it!
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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.
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