Space
Little galaxy’s own stars cast 95 per cent of its oxygen away
Tiny Leo P has lost most of its oxygen. New observations suggest the culprits are the same stars that created the element
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Earth
Ocean鈥檚 hidden green plankton revealed by fixing glitch in model
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Space
The Martian: The science of surviving a space catastrophe
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Earth
Hidden oasis of oxygen suggests life took first breath in lakes
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What is artificial blood and why is the UK going to trial it?
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Technology
One Per Cent
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Earth
Secrets of the home: The chemical reactor you live in
Features
Life
Volcanic iron delayed explosion of life on Earth
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Earth
Pacific dead zone has been shrinking for a century
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Earth
Swimming, climbing robots explore the hostile Arctic
The biggest experiment of its kind is camped out on the ocean north of Alaska. The machines could revolutionise our understanding of Arctic sea ice
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Health
Tibetan altitude gene came from extinct human species
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Environment
Pollution on other worlds may show advanced alien life
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Near-death experiences are overwhelmingly peaceful
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Space
Supernovae have the right stuff to mix cement in space
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