In Arizona, a solar wind energy tower has been proposed that would generate as much energy as the Hoover Dam.
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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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Scientists have revived a flowering plant from a fruit stored away in permafrost by Arctic ground squirrel 32,000 years ago.
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Scientists in Germany have developed a candy that doesn't cause cavities.
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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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Approximately 70 percent of the earth is covered by water. Only 1 percent of this water is drinkable.
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Research indicates that plants grow healthier when they are stroked.
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Because heat expands the metal, the Eiffel Tower always leans away from the sun.
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