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Ancient Earth Crust Stored in Deep Mantle
April 24, 2013 — Scientists have long believed that lava erupted from certain oceanic volcanoes contains materials from the early Earth's crust. But decisive evidence for this phenomenon has proven elusive. New ... > full storyMore: -
What Planets Are Made Of: Findings Establish Counterintuitive Potential Planet-Forming Materials
April 24, 2013 — Scientists have made a startling prediction that challenges existing chemical models and current understanding of planetary interiors -- magnesium oxide, a major material in the formation of planets, ... > full story -
Ice Tubes in Polar Seas -- 'Brinicles' or 'Sea Stalactites' -- Provide Clues to Origin of Life
April 24, 2013 — Life on Earth may have originated not in warm tropical seas, but with weird tubes of ice -- sometimes called "sea stalactites" -- that grow downward into cold seawater near the Earth's poles, ... > full story -
Sunlit Snow Triggers Atmospheric Cleaning, Ozone Depletion in the Arctic
April 24, 2013 — Researchers have discovered that sunlit snow is the major source of atmospheric bromine in the Arctic, the key to unique chemical reactions that purge pollutants and destroy ... > full story -
Iron in Primeval Seas Rusted by Bacteria
April 23, 2013 — Researchers have been able to show for the first time how microorganisms contributed to the formation of the world's biggest iron ore deposits. The biggest known deposits -- in South Africa and ... > full story -
Precision Agriculture Improves Farming Efficiency, Has Important Implications on Food Security
April 23, 2013 — Precision agriculture promises to make farming more efficient and should have an important impact on the serious issue of food security, according to a new study. A scientist assesses how there is ... > full story -
New NASA Satellite Takes the Salton Sea's Temperature
April 22, 2013 — A new NASA image may look like a typical black-and-white image of a dramatic landscape, but it tells a story of temperature. The dark waters of the Salton Sea pop in the middle of the Southern ... > full story -
NASA's HyspIRI: Seeing the Forest and the Trees and More
April 22, 2013 — Light contains fingerprints of materials that can be detected by sensors that capture the unique set of reflected wavelengths. The technique was applied to Earth during new work by ... > full story -
Geochemical Method Finds Links Between Terrestrial Climate and Atmospheric Carbon Dioxide
April 22, 2013 — Scientists used a new chemical technique to measure the change in terrestrial temperature associated with a major shift in global atmospheric CO2 concentrations nearly 34 million years ago. Their ... > full story -
Rivers Act as 'Horizontal Cooling Towers' for Power Plants, Study Finds
April 22, 2013 — Running two computer models in tandem, scientists have detailed for the first time how thermoelectric power plants interact with climate, hydrology, and aquatic ecosystems throughout the northeastern ... > full story
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