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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4.5 pounds of sunlight strike the Earth each day.
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Hot water can freeze faster than cold water.
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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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Kissing actually has the biological purpose of passing on biological information and chemical signals to assess mating possibilities and status.
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Most dust particles in your house come from dead skin.
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A coal power station puts 100 times more radiation into the air than a nuclear power plant producing the same amount of energy.
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