Scientists at the Zhejiang University in China have developed an ultra-light material known as carbon aerogel.
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Cows can sleep standing up, but they can only dream lying down.
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If aliens located 60-65 million light years away from us, looked at earth through a really powerful telescope today, they would see dinosaurs!
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In 2011, archaeologists discovered the skeletal remains of a Roman couple who have been holding hands for 1,500 years.
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The 409 escalators in the London subway cover a distance every week which is approximately equivalent to several trips around the globe!
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In Georgia, there is an airtight room called the Crypt of Civilization that was sealed in 1940. It contains numerous artefacts documenting what life was like at the time of sealing, and is scheduled to be opened in the year 8113 to show people of the future exactly what life was like.
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