Scientists at the Zhejiang University in China have developed an ultra-light material known as carbon aerogel.
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The oldest glowing lightbulb was first switched on in 1901 and lives in fire stations in Livermore, CA. It is known as the Centennial Light.
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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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The strangers in your dreams are actually people that you've seen in real life.
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The largest breed of rabbit is the Flemish Giant.
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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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