Scientists are now able to grow 'beating' heart tissue in a lab!
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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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One 75-watt bulb gives more light than three 25-watt bulbs.
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Most dust particles in your house come from dead skin.
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Rafflesia Arnoldii is the largest flower in the world and can grow as big as an umbrella.
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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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For every gallon of sea water, you get more than a quarter pound of salt.
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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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