Scientists at the Zhejiang University in China have developed an ultra-light material known as carbon aerogel.
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Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
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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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If the chemical sodium is dropped into water it will immediately and violently explode.
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Scientists are attempting to create a synthetic brain by reverse-engineering the mammalian brain down to the molecular level. A cellular human brain is predicted possible by 2023. It hopes to shed light on consciousness.
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4.5 pounds of sunlight strike the Earth each day.
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A cesium atom in an atomic clock beats over nine billion times a second.
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