News tagged with atmospheric oxygen

Taking X-rays of CO2

As CO2 levels in the Earth's atmosphere top 400 parts per million, options such as storing the greenhouse gas in porous sandstone rock formations found in abundance on the sea floor are of increasing interest. ...

dateMay 14, 2013 in Environment
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Robot gliders roam seas

(Phys.org) —Once the robotic gliders scour the ocean searching for potential harm to sea life, the data is sent to David Caron, professor of biological sciences in USC Dornsife, and other marine biologists. ...

dateMay 03, 2013 in Earth Sciences
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Ancient Earth crust stored in deep mantle

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 research from ...

dateApr 24, 2013 in Earth Sciences
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Atmospheric carbon levels nearing historic threshold

(Phys.org) —For the first time in human history, concentrations of the greenhouse gas carbon dioxide (CO2) could rise above 400 parts per million (ppm) for sustained lengths of time throughout much of the Northern Hemisphere ...

dateApr 24, 2013 in Environment
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What glows green in space?

While a quest for green beer in space would be difficult, we're happy to report there are other ways you can celebrate Saint Patrick's Day while looking at the night sky. Just check out the nebulae and aurorae ...

dateMar 18, 2013 in Astronomy
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Mineral diversity clue to early Earth chemistry

Mineral evolution is a new way to look at our planet's history. It's the study of the increasing diversity and characteristics of Earth's near-surface minerals, from the dozen that arrived on interstellar dust particles when ...

dateFeb 28, 2013 in Earth Sciences
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NASA designs new space telescope optics

Although hundreds of planets orbiting other stars have been discovered in the past 15 years, we cannot yet answer the age-old question of whether any of these planets are capable of sustaining life. However, ...

dateFeb 15, 2013 in Astronomy
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