The earth is approx. 6,588,000,000,000,000,000 tons.
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Scientists are now able to grow 'beating' heart tissue in a lab!
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Scientists have revived a flowering plant from a fruit stored away in permafrost by Arctic ground squirrel 32,000 years ago.
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Brass doorknobs automatically disinfect themselves in about 8 hours.
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Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
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