Scientists at the Zhejiang University in China have developed an ultra-light material known as carbon aerogel.
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The oldest stone tools found are dated from 2.7 - 2.9 million years ago. The species that made these tools is unknown.
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A cow produces around 200,000 glasses of milk in her lifetime.
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The focusing muscles of the eyes move around 100,000 times a day. To give your leg muscles the same workout, you would need to walk 80km (50 miles) every day.
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Lurch, a Watusi bull, had the largest horns in the world.
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The average person in their lifetime will spend an estimated 20,160 minutes kissing!
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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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The strangers in your dreams are actually people that you've seen in real life.
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