The science behind counting fish in the ocean to measure their abundance has never been simple. A new scientific paper authored by NOAA Fisheries biologist Eric Prince, Ph.D., and eight other scientists shows that expanding ...
Environment
Dec 9, 2011
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(PhysOrg.com) -- Last Thursday, November 17, four unmanned Wave Gliders left the coast of San Francisco and began a 300-day journey across the Pacific Ocean. The vehicles, which are self-propelled and remotely piloted, will ...
Over the last half a billion years, the ocean has mostly been full of oxygen and teeming with animal life. But earlier, before animals had evolved, oxygen was harder to come by. Now a new study led by researchers at the University ...
Earth Sciences
Sep 7, 2011
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There have been instances in Earth history when average temperatures have changed rapidly, as much as 10 degrees Celsius (18 degrees Fahrenheit) over a few decades, and some have speculated the same could happen again as ...
Earth Sciences
Jun 20, 2011
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(PhysOrg.com) -- Researchers from Canada studying the highly salty coastal lagoons at Los Roques, Venezuela and the microbial mats found at the bottom of the sea there, have discovered that oxygen levels in the mats, at least ...
Researchers studying the origin of Earth's first breathable atmosphere have zeroed in on the major role played by some very unassuming creatures: plankton.
Earth Sciences
Feb 21, 2011
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Geologists at the University of California, Riverside have found chemical evidence in 2.6-billion-year-old rocks that indicates that Earth's ancient oceans were oxygen-free and, surprisingly, contained abundant hydrogen sulfide ...
Earth Sciences
Jan 10, 2011
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(PhysOrg.com) -- Australian marine scientists have expressed disquiet over the continued worldwide spread of large, dead zones in the ocean.
Environment
Nov 30, 2010
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(PhysOrg.com) -- A University of Alberta geomicrobiologist and his PhD student are part of a research team that has identified phosphorus as the mystery ingredient that pushed oxygen levels in the oceans high enough to establish ...
Earth Sciences
Oct 31, 2010
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More than two and a half billion years ago, Earth differed greatly from our modern environment, specifically in respect to the composition of gases in the atmosphere and the nature of the life forms inhabiting its surface. ...
Earth Sciences
Aug 23, 2010
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