Scientists at the Zhejiang University in China have developed an ultra-light material known as carbon aerogel.
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Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
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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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Mars had an oxygen-rich atmosphere around 4 billion years ago
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There are so many kinds of apples that if you ate a new one everyday, it would take over 20 years to try them all.
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Some monks can increase their body temperature so much they can dry soaking sheets in a freezing room!
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Iceland has been so culturally isolated through history since the Vikings, that compared to other Scandinavian counties, people who speak Icelandic can still read the old Norsk sagas.
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