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.
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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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One third of the electricity produced on earth is used to power electric light bulbs!
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A coal power station puts 100 times more radiation into the air than a nuclear power plant producing the same amount of energy.
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The weight of a carat (200 milligrams), standard unit of measurement for gemstones, is based on the weight of the carob seed.
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In Arizona, a solar wind energy tower has been proposed that would generate as much energy as the Hoover Dam.
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Scientists in Germany have developed a candy that doesn't cause cavities.
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Scientists at the Zhejiang University in China have developed an ultra-light material known as carbon aerogel.
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