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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Airports that are at higher altitudes require a longer airstrip due to lower air density.
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Scientists have developed a microparticle filled with oxygen that can be injected into the blood stream, enabling us to live without breathing.
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Scientists are now able to grow 'beating' heart tissue in a lab!
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The average temperature at 40,000 feet above sea level is -60 F.
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Research indicates that plants grow healthier when they are stroked.
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