Scientists at the Zhejiang University in China have developed an ultra-light material known as carbon aerogel.
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Lurch, a Watusi bull, had the largest horns in the world.
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A lump of pure gold the size of a matchbox can be flattened into a sheet the size of a tennis court.
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The 409 escalators in the London subway cover a distance every week which is approximately equivalent to several trips around the globe!
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Only about 2% of the world population has green eyes.
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