Scientists are now able to grow 'beating' heart tissue in a lab!
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In zero gravity, a candle's flame is round and blue.
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The use of emoticons affects our corresponding brain areas and can actually trigger emotions.
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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.
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Billions of neutrinos pass unnoticed through your body every 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.
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Each day, up to 150 species of life become extinct.
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The most expensive material on the planet is antimatter - worth $62.5 trillion per gram.
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