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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Billions of neutrinos pass unnoticed through your body every second.
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Neanderthal man had a brain capacity 100cc larger than modern man's.
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The use of emoticons affects our corresponding brain areas and can actually trigger emotions.
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Most dust particles in your house come from dead skin.
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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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One barrel of petroleum holds 42 gallons.
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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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