News tagged with atmospheric oxygen

Viewing crescent Mars

(Phys.org)—The sight of the crescent Moon hanging in the sky above Earth is a familiar one, but this image taken by ESA's Rosetta spacecraft as it passed by the Red Planet in February 2007 captures the ...

dateOct 02, 2012 in Space Exploration
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Fools' gold found to regulate oxygen

As sulfur cycles through Earth's atmosphere, oceans and land, it undergoes chemical changes that are often coupled to changes in other such elements as carbon and oxygen. Although this affects the concentration of free oxygen, ...

dateJul 23, 2012 in Earth Sciences
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Solution to ancient rock puzzle posited

A superplume, or massive episode of volcanic eruptions that related to extensive melting of the Earth's mantle, could explain the puzzling reappearance of major iron formations long after the rise in atmospheric ...

dateApr 27, 2012 in Earth Sciences
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Avocado oil: The 'olive oil of the Americas'?

Atmospheric oxygen facilitated the evolution and complexity of terrestrial organisms, including human beings, because it allowed nutrients to be used more efficiently by those organisms, which in turn were able to generate ...

dateApr 23, 2012 in Biochemistry
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