A cubic yard of air weighs about 2 pounds at sea level.
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It takes a photon 170,000 years to travel from the core of the Sun to the surface, but only 8 minutes to travel the rest of the way to Earth.
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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 average home creates more pollution than does the average car.
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A 'jiffy' is an actual unit of time for 1/100th of a second!
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Sound at the right vibration can bore holes through a solid object.
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Galalith is a type of plastic that can be made from milk. It is odourless, insoluble in water, biodegradable, anti-allergenic, antistatic, and virtually non-flammable.
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