Toxic oceans may have delayed spread of complex life
A new model suggests that inhospitable hydrodgen-sulphide rich waters could have delayed the spread of complex life forms in ancient oceans.
Earth Sciences
Feb 28, 2013
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Page 15 - News tagged with ocean life
Dolphins can remain alert for up to 15 days at a time with no sign of fatigue
Dolphins sleep with only one half of their brains at a time, and according to new research published Oct. 17 in the open access journal PLOS ONE, this trait allows them to stay constantly alert for at least 15 days in a row. ...
Plants & Animals
Oct 17, 2012
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CT scan and 3-D print help scientists reconstruct an ancient mollusk (w/ Video)
(Phys.org)—Using a combination of traditional and innovative model-building techniques, scientists in the U.S. and a specialist in Denmark have created a lifelike reconstruction of an ancient mollusk, offering a vivid portrait ...
Archaeology
Sep 19, 2012
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Darwin discovered to be right: Eastern Pacific barrier is virtually impassable by coral species
(Phys.org)—A coral species that is found in abundance from Indonesia eastward to Fiji, Samoa, and the Line Islands rarely crosses the Eastern Pacific Barrier toward the coast of the Americas, according to a team of researchers ...
Ecology
Aug 27, 2012
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Researchers seek to explain why there are so few land dwelling bioluminescent species
(Phys.org)—Visitors to the world's oceans are likely to find a wide variety of bioluminescent creatures, especially as they descend to depths where sunlight can't reach. The ability to glow has evolved in underwater organisms ...
Research confirms existence of vitamin B 'deserts' in the ocean
First hypothesized in the 1960s, marine zones where B-vitamins are undetectable may influence the growth of phytoplankton, the foundation of sea life.
Earth Sciences
Jul 23, 2012
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Research suggests that ancient granites made advanced life possible
A little less than 2 billion years ago, metals including copper, molybdenum and zinc became available to primitive cells, at the same time that the cells began to become much more complex. Scientists indicate that they have ...
Earth Sciences
Jun 21, 2012
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10 million years needed to recover from mass extinction
(Phys.org) -- It took some 10 million years for Earth to recover from the greatest mass extinction of all time, latest research has revealed.
Earth Sciences
May 27, 2012
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Fossil raindrop impressions imply greenhouse gases loaded early Earth's atmosphere
In ancient Earth history, the sun burned as much as 30 percent dimmer than it does now. Theoretically that should have encased the planet in ice, but there is geologic evidence for rivers and ocean sediments between 2 billion ...
Earth Sciences
Mar 28, 2012
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Rock sleuths: Researchers seek clues to atmospheric changes ahead of animal life
For more than a decade, scientists have dismissed claims that examining carbon-rich rocks could yield clues to the atmospheric and oceanic conditions on Earth hundreds of millions of years ago, but now researchers at Harvard ...
Earth Sciences
Mar 20, 2012
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