Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
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For every gallon of sea water, you get more than a quarter pound of salt.
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The hair of an adult man or woman can stretch 25 percent of its length without breaking.
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A 'jiffy' is an actual unit of time for 1/100th of a second!
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The use of emoticons affects our corresponding brain areas and can actually trigger emotions.
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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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There are more than 270 people cryogenically frozen in the hope that one day the technology will exist that can revive them and extend their lives.
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Scientists at the Zhejiang University in China have developed an ultra-light material known as carbon aerogel.
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