News tagged with anoxic conditions
Scientists discover first multicellular life that doesn't need oxygen
(PhysOrg.com) -- Oxygen may not be the staple of modern complex life that scientists once thought. Until now, the only life forms known to live exclusively in anoxic conditions were viruses, bacteria and Archaea. ...
Apr 07, 2010 |
4.7 / 5 (73) |
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Search results for anoxic conditions
Chemical microgradients accelerate coral death at the Great Barrier Reef
Researchers of the Max Planck Institute for Marine Microbiology along with Australian colleagues, have examined corals from the Great Barrier Reef affected by the Black Band Disease and identified the critical ...
Mar 27, 2012 |
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Researchers harness power of genome institute for Great Lakes study
A project by three Bowling Green State University biologists and a colleague is expected to unleash a virtual tsunami of information that will be usable for years to come not only by them but also by scientists worldwide ...
Nov 03, 2011 |
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Poisonous oceans delayed animal evolution
Animals require oxygen, but oxygenated environments were rare on early Earth. New research from University of Southern Denmark shows that poisonous sulfide existed in the oceans 750 million years ago making ...
Space & Earth / Earth Sciences
Oct 24, 2011 |
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New technique unlocks secrets of ancient ocean
Earth's largest mass extinction event, the end-Permian mass extinction, occurred some 252 million years ago. An estimated 90 percent of Earth's marine life was eradicated. To better understand the cause of ...
Space & Earth / Earth Sciences
Oct 11, 2011 |
4.8 / 5 (10) |
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Evidence for a persistently iron-rich ocean changes views on Earth's early history
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 ...
Space & Earth / Earth Sciences
Sep 07, 2011 |
4.3 / 5 (4) |
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Scientists trace violent death of Iron Age man
(PhysOrg.com) -- An Iron Age man whose skull and brain was unearthed during excavations at the University of York was the victim of a gruesome ritual killing, according to new research.
Other Sciences / Archaeology & Fossils
Mar 29, 2011 |
4.8 / 5 (9) |
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Algae and bacteria hogged oxygen after ancient mass extinction, researchers say
(PhysOrg.com) -- After the biggest mass extinction in Earth's history -- 250 million years ago -- ocean algae and bacteria rebounded so fast that they consumed virtually all the oxygen in the sea, slowing ...
Space & Earth / Earth Sciences
Mar 25, 2011 |
4.8 / 5 (6) |
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Reviving 100-year-old resting spores of diatoms
Diatoms account for a large proportion of the phytoplankton found in the water, and live both in the open sea and in freshwater lakes. By reviving 100-year-old spores that had laid buried and inactive in bottom ...
Space & Earth / Earth Sciences
Mar 01, 2011 |
5 / 5 (2) |
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Natural dissolved organic matter plays dual role in cycling of mercury
(PhysOrg.com) -- Nature has a bit of a Jekyll and Hyde relationship with mercury, but researchers at the Department of Energy's Oak Ridge National Laboratory have made a discovery that ultimately could help ...
Space & Earth / Earth Sciences
Jan 11, 2011 |
4.5 / 5 (2) |
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Oxygen's challenge to early life
The conventional view of the history of the Earth is that the oceans became oxygen-rich to approximately the degree they are today in the Late Ediacaran Period (about 600 million years ago) after staying relatively ...
Space & Earth / Earth Sciences
Jan 05, 2011 |
4.4 / 5 (15) |
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List of search results for anoxic conditions
