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 & ...

Jul 07, 2014 4.6 / 5 (10) 4

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 ...

Apr 01, 2014 5 / 5 (1) 0

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.

Feb 18, 2013 not rated yet 0

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 ...

Jul 31, 2012 4.3 / 5 (3) 0 | with audio podcast