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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Because heat expands the metal, the Eiffel Tower always leans away from the sun.
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According to studies, men change their minds two to three times more often than women.
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The smell of freshly cut grass is actually a plant distress call.
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Scientists are learning from the 1700-year-old Lycurgus Cup, which changes colour thanks to nano particles.
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The force of a suction cup is calculated using F=AP.
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Research indicates that plants grow healthier when they are stroked.
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