Your body is creating and killing about 2.4 million red blood cells per second.
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Scientists at the Zhejiang University in China have developed an ultra-light material known as carbon aerogel.
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An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
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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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There is a mass reservoir of water floating in space that is 100,000 times bigger than our sun and holds 140 trillion times more water than all of our oceans.
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