One barrel of petroleum holds 42 gallons.
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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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There are more atoms in one teaspoon of water than there are teaspoons of water in the Atlantic Ocean.
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Scientists are now able to grow 'beating' heart tissue in a lab!
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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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Scientists in Germany have developed a candy that doesn't cause cavities.
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One ragweed plant can release as many as one billion grains of pollen!
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Only 12,000 years ago there was a species closely related to modern humans called Homo floresiensis that had been living on an Indonesian Island. They used fire and rather advanced tools, yet were only about 3 feet tall and weighed around 25kg.
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