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 bark of an older redwood tree is fireproof.
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One cubic foot of gold weighs more than 1,200 pounds!
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The Manchineel Tree is so poisonous, rainwater dripping off it’s leaves will burn your skin.
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A cubic yard of air weighs about 2 pounds at sea level.
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Oak trees produce 2,200 acorns in a season, but each acorn only has a 1 in 10,000 chance of becoming an oak tree.
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Scientists are now able to grow 'beating' heart tissue in a lab!
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In the 60s, a scientist gave LSD to dolphins in an attempt to teach them English.
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