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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The inventor of the Super Soaker squirt gun was a NASA Scientist who also helped develop the Stealth Bomber and the Galileo mission to Jupiter.
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The smell of freshly cut grass is actually a plant distress call.
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Sound travels about 4 times faster in water than in air.
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Each day, up to 150 species of life become extinct.
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Stephen Hawking once tried to find potential time travellers by throwing a party and only sending out invitations after the party.
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