Scientists at the Zhejiang University in China have developed an ultra-light material known as carbon aerogel.
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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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Your brain is 80% water.
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If the chemical sodium is dropped into water it will immediately and violently explode.
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The Earth's atmosphere weighs about 5.5 quadrillion tons.
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Optical illusions occur when what the eyes see conflicts with what the brain expects.
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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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A single speck of dust is half way in size between a subatomic particle and the Earth.
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