News tagged with biosphere

When life went global

"An origin of life is not the same as an origin of a biosphere—that's an important distinction," says David Grinspoon, a planetary scientist and curator of astrobiology for the Denver Museum of Nature & ...

dateJul 07, 2014 in Space Exploration
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A new ocean for the desert

As I let the air out of my buoyancy vest and slip under the water of the University of Arizona's Biosphere 2 ocean, I hear a steady hum reminding me of the machinery working behind the scenes to filter the ...

dateApr 01, 2014 in Environment
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Wiring the ocean

For most people, the sea is a deep, dark mystery. That is changing, though, as scientists find innovative ways to track the movements of ocean-going creatures.

dateFeb 18, 2013 in Environment
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The limits of the productive capacity of ecosystems

In a letter to Science published last week, Karl-Heinz Erb from the Institute of Social Ecology Vienna and a number of co-authors discuss how the measurement of biomass production and consumption can be used to gain a bett ...

dateDec 19, 2012 in Ecology
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Ecosystems reveal radiation secrets

A new study by Tiina Tuovinen, from the University of Eastern Finland, and her colleagues casts doubt over the validity of models used to assess the impact of radiation on human health. Their work is published online in Springer's ...

dateJul 31, 2012 in Environment
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