Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
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Scientists are now able to grow 'beating' heart tissue in a lab!
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MIT has developed a camera that captures the speed of light at a trillion frames per second.
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Sound at the right vibration can bore holes through a solid object.
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The Earth's atmosphere weighs about 5.5 quadrillion tons.
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During photosynthesis, plants emit light humans can’t see, but NASA can see that light from space - and they've even made maps of it!
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Hot water can freeze faster than cold water.
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German chemists made a replica of a trophy the size of one molecule.
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