News tagged with atmospheric oxygen

Photosynthesis has unique isotopic signature

Photosynthesis leaves behind a unique calling card, a chemical signature that is spelled out with stable oxygen isotopes, according to a new study in Science. The findings suggest that similar isotopic signatures could exist ...

dateApr 23, 2015 in Earth Sciences
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The ups and downs of early atmospheric oxygen

A team of biogeochemists at the University of California, Riverside, give us a nontraditional way of thinking about the earliest accumulation of oxygen in the atmosphere, arguably the most important biological event in Earth ...

dateFeb 19, 2014 in Earth Sciences
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