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'Dark Oxidants' Form Away from Sunlight in Lake and Ocean Depths, Underground Soils
May 3, 2013 — All forms of life that breathe oxygen -- even ones that can't be seen with the naked eye, such as bacteria -- must fight oxidants to live. But neutralizing environmental oxidants such as superoxide ... > full story -
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Hearing the Russian Meteor, in America: Sound Arrived in 10 Hours, Lasted 10 More
May 3, 2013 — How powerful was February's meteor that crashed into Russia? Strong enough that its explosive entry into our atmosphere was detected almost 6,000 miles away in Lilburn, Ga., by infrasound sensors -- ... > full story -
Lava Erupting on Sea Floor Linked to Deep-Carbon Cycle
May 2, 2013 — Scientists have found unsuspected linkages between the oxidation state of iron in volcanic rocks and variations in the chemistry of the deep Earth. Not only do the trends run counter to predictions ... > full story -
Studying Meteorites May Reveal Mars' Secrets of Life
May 1, 2013 — In an effort to determine if conditions were ever right on Mars to sustain life, a team of scientists has examined a meteorite that formed on the Red Planet more than a billion years ... > full story -
Scientists Retrieve Temperature Data from Japan Trench Observatory
May 1, 2013 — With the successful retrieval of a string of instruments from deep beneath the seafloor, an international team of scientists has completed an unprecedented series of operations to obtain crucial ... > full story -
First Snapshot of Organisms Eating Each Other: Feast Clue to Smell of Ancient Earth
April 29, 2013 — Tiny 1,900-million-year-old fossils from rocks around Lake Superior, Canada, give the first ever snapshot of organisms eating each other and suggest what the ancient Earth would have smelled ... > full story -
Dinosaur Predecessors Gain Ground in Wake of World's Biggest Biodiversity Crisis
April 29, 2013 — Newly discovered fossils from 10 million years after Earth's greatest mass extinction reveal a lineage of animals thought to have led to dinosaurs taking hold in Tanzania and Zambia in the ... > full storyMore: -
Climate Change Will Raise the Sea Level in the Gulf of Finland
April 29, 2013 — The Finnish Meteorological Institute has updated its estimates concerning the impact of rising sea levels on the Finnish coast. Post-glacial rebound and changes in the Earth’s gravity field ... > full story -
Earth's Center Is 1,000 Degrees Hotter Than Previously Thought, Synchrotron X-Ray Experiment Shows
April 25, 2013 — The temperature near Earth's center is 6,000 degrees Celsius, 1,000 degrees more than given in an experiment 20 years ago. This experiment with synchrotron X-rays confirms geophysical models that ... > full story -
Rethinking Early Atmospheric Oxygen: Possibility of More Dynamic Biological Oxygen Cycle on Early Earth Than Previously Supposed
April 24, 2013 — Using a quantitative model, a research team of biogeochemists has provided a new view on the relationship between the earliest accumulation of oxygen in the atmosphere, arguably the most important ... > full story
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