Your body is creating and killing about 2.4 million red blood cells per second.
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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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The strangers in your dreams are actually people that you've seen in real life.
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Mars had an oxygen-rich atmosphere around 4 billion years ago
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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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Scientists have revived a flowering plant from a fruit stored away in permafrost by Arctic ground squirrel 32,000 years ago.
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The University of Oxford (teaching since 1096) predates the Aztec empire (1428 - 1521).
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