News tagged with atmospheric oxygen

New insight into photosynthesis

The way that algae and plants respond to light has been reinterpreted based on results from experiments studying real-time structural changes in green algae. Under particular lighting conditions during photosynthesis, the ...

dateMay 27, 2014 in Cell & Microbiology
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Plasma tool for destroying cancer cells

Plasma medicine is a new and rapidly developing area of medical technology. Specifically, understanding the interaction of so-called atmospheric pressure plasma jets with biological tissues could help to use them in medical ...

dateMar 25, 2014 in Plasma Physics
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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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The rise and fall of oxygen

How long has Earth's atmosphere included oxygen? A recent paper suggests low levels of oxygen appeared in the atmosphere approximately 2.95 billion years ago. That's about 550 million years earlier than previously thought.

dateDec 11, 2013 in Earth Sciences
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