In Arizona, a solar wind energy tower has been proposed that would generate as much energy as the Hoover Dam.
5
A cesium atom in an atomic clock beats over nine billion times a second.
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Columbia University has developed an artificial tree that passively soaks up carbon dioxide from the air using "leaves" that are 1,000 times more efficient than true leaves that use photosynthesis.
15
The bark of an older redwood tree is fireproof.
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The Manchineel Tree is so poisonous, rainwater dripping off it’s leaves will burn your skin.
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Scientists are learning from the 1700-year-old Lycurgus Cup, which changes colour thanks to nano particles.
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There are more than 270 people cryogenically frozen in the hope that one day the technology will exist that can revive them and extend their lives.
13
Marie Curie, the Nobel prize winning scientist who discovered radium, died of radiation poisoning.
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