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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A cubic yard of air weighs about 2 pounds at sea level.
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Sound travels fifteen times faster through steel than through air.
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Every day, plants convert sunlight into energy equivalent to six times the entire power consumption of human civilization.
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At room temperature, the average air molecule travels at the speed of a rifle bullet.
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The bark of an older redwood tree is fireproof.
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Marie Curie, the Nobel prize winning scientist who discovered radium, died of radiation poisoning.
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In the 60s, a scientist gave LSD to dolphins in an attempt to teach them English.
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