Scientists at the Zhejiang University in China have developed an ultra-light material known as carbon aerogel.
3
Cows can sleep standing up, but they can only dream lying down.
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Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14
Scientists have revived a flowering plant from a fruit stored away in permafrost by Arctic ground squirrel 32,000 years ago.
16
You forget 90% of your dreams.
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