The Lion's Mane Jellyfish is the largest jellyfish in the world. They have been swimming in arctic waters since before the dinosaurs (over 650 million years ago).
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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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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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In the last 7 years, humanity has discovered 43 potentially habitable planets.
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The strangers in your dreams are actually people that you've seen in real life.
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If you have 1 billion dollars and spend $1,000 every day, it would take you 2,740 years to go broke.
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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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