Scientists at the Zhejiang University in China have developed an ultra-light material known as carbon aerogel.
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An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
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A lump of pure gold the size of a matchbox can be flattened into a sheet the size of a tennis court.
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Mars had an oxygen-rich atmosphere around 4 billion years ago
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Iceland has been so culturally isolated through history since the Vikings, that compared to other Scandinavian counties, people who speak Icelandic can still read the old Norsk sagas.
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