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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Scientists at the Zhejiang University in China have developed an ultra-light material known as carbon aerogel.
3
The oldest stone tools found are dated from 2.7 - 2.9 million years ago. The species that made these tools is unknown.
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There is a mass reservoir of water floating in space that is 100,000 times bigger than our sun and holds 140 trillion times more water than all of our oceans.
11
An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
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