News tagged with life on earth

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Is life on Mars related to life on Earth?

The idea that there is life on other worlds is humbling and exciting, and finding life on another world would change everything. This has been a driving force for scientists for decades. We find life wherever ...

Jul 31, 2013
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Membranes in tight corners

Photosynthesis takes place in specialized membrane systems, made up of stacked disks linked together by unstacked planar leaflets. A team of Ludwig-Maximilians-Universitaet (LMU) in Munich has now identified ...

Jul 10, 2013
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21,000 species at risk of extinction

A freshwater shrimp, an island-dwelling lizard and a pupfish from Arizona have been declared extinct, while nearly 21,000 species are at risk of dying out, an updated "Red List" showed.

Jul 02, 2013
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The intensity of land use doubled in the 20th century

The growth of green plants – which can be measured in terms of "net primary production", or NPP for short – provides the energetic foundation for all life on earth. The share of NPP appropriated by humans (HANPP) through ...

Jun 04, 2013
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SORCE satellite: A Decade in the Sun

NASA's Solar Radiation and Climate Experiment (SORCE) satellite has been providing data on the sun's irradiance for 10 years. SORCE measures electromagnetic radiation produced by the sun and the power per ...

Apr 01, 2013
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