The strangers in your dreams are actually people that you've seen in real life.
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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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Mars had an oxygen-rich atmosphere around 4 billion years ago
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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 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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