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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You forget 90% of your dreams.
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Some monks can increase their body temperature so much they can dry soaking sheets in a freezing room!
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Scientists at the Zhejiang University in China have developed an ultra-light material known as carbon aerogel.
3
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.
4
The largest breed of rabbit is the Flemish Giant.
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