Scientists at the Zhejiang University in China have developed an ultra-light material known as carbon aerogel.
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The hair of an adult man or woman can stretch 25 percent of its length without breaking.
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Balsa wood is classified as a hard wood!
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0.3% of solar energy from the Sahara is enough to power the whole of Europe.
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Most liquid laundry detergents are alive with living organisms that help to break down stains!
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Because heat expands the metal, the Eiffel Tower always leans away from the sun.
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