Astrobiology

Nitrogen in ancient rocks a sign of early life

Nitrogen is one of the essential nutrients of life on Earth, with some organisms, such as the kinds of microbes found within the roots of legume plants, capable of converting nitrogen gas into molecules that other species ...

dateNov 29, 2016 in Earth Sciences
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How deadly would a nearby gamma ray burst be?

Despite the obvious doom and gloom associated with mass extinctions, they have a tendency to capture our imagination. After all, the sudden demise of the dinosaurs, presumably due to an asteroid strike, is quite an enthralling ...

dateOct 10, 2016 in Earth Sciences
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