The smell of freshly cut grass is actually a plant distress call.
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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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The use of emoticons affects our corresponding brain areas and can actually trigger emotions.
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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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Neanderthal man had a brain capacity 100cc larger than modern man's.
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One third of the electricity produced on earth is used to power electric light bulbs!
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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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