Oxygen is crucial for the existence of animals on Earth. But, an increase in oxygen did not apparently lead to the rise of the first animals. New research shows that 1.4 billion years ago there was enough oxygen for animals ...
Earth Sciences
Jan 4, 2016
5
22
(Phys.org)—A team of researchers with affiliations to several universities in the U.S. has helped uncover the frequency of El Niño events during the Medieval Climate Anomaly and the Little Ice Age by obtaining Eastern ...
When an explosion beneath the sand at Salty Brine State Beach in Narragansett injured a visiting vacationer, state and local police and the bomb squad found no evidence of what may have caused the blast. So state officials ...
Earth Sciences
Aug 13, 2015
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1467
The Mississippi River delta is a rich ecosystem of barrier islands, estuaries, and wetlands that's home to a diverse mix of wildlife—as well as more than 2 million people. Over the past few decades, the shape of the delta ...
Earth Sciences
Jul 22, 2015
0
22
Ocean ecosystems that experience rapid upheaval because of climate change can take thousands of years to recover, according to an examination of fossilized ocean fauna on the seafloor by the University of California, Davis.
Earth Sciences
Mar 30, 2015
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166
Evolution of the first burrowing animals may have played a major role in stabilizing the Earth's oxygen reservoir, according to a new study in Nature Geoscience.
Earth Sciences
Aug 6, 2014
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0
(Phys.org) —A fraction of the carbon that finds its way into Earth's oceans—the black soot and charcoal residue of fires—stays there for thousands for years, and a new first-of-its-kind analysis shows how some black ...
Earth Sciences
Apr 8, 2014
0
0
Tiny bits of plastic trash could spell big trouble for marine life, starting with the worms, say a team of researchers from Plymouth University and the University of Exeter who report their evidence in a pair of studies in ...
Ecology
Dec 2, 2013
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0
Climate changes from millions of years ago are recorded at daily rate in ancient sea shells, new research shows.
Earth Sciences
Oct 25, 2013
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0
(Phys.org) —A team of European researchers has published a paper in the journal Proceedings of the National Academy of Sciences, offering a possible explanation for the apparent drop in early Earth's oxygen levels following ...
