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Manmade earthquakes in Oklahoma on the decline

New regulations in Oklahoma that call for reductions in the amount of wastewater being injected into seismically active areas should significantly decrease the rate of manmade, or "induced," earthquakes in the state, Stanford ...

dateNov 30, 2016 in Earth Sciences
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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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