News tagged with surface sediments
Antarctic sea temperatures cooled in Holocene but now rising: study
(PhysOrg.com) -- A new study of an ocean sediment core taken from deep water off the coast of the western Antarctic Peninsula is beginning to fill in some of the gaps in our knowledge of climate variability ...
Space & Earth / Earth Sciences
Feb 10, 2011 |
4.2 / 5 (18) |
20
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Bering Sea was ice-free and full of life during last warm period, study finds
Deep sediment cores retrieved from the Bering Sea floor indicate that the region was ice-free all year and biological productivity was high during the last major warm period in Earth's climate history.
Space & Earth / Earth Sciences
Dec 13, 2010 |
4.6 / 5 (9) |
120
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Scientists Show How Bacteria Move Electrons Across a Membrane
(PhysOrg.com) -- Scientists at the University of East Anglia, Pacific Northwest National Laboratory, and Pennsylvania State University have demonstrated for the first time the mechanism by which some bacteria ...
Dec 29, 2009 |
4.5 / 5 (8) |
0
Global warming: Our best guess is likely wrong
No one knows exactly how much Earth's climate will warm due to carbon emissions, but a new study this week suggests scientists' best predictions about global warming might be incorrect.
Space & Earth / Earth Sciences
Jul 14, 2009 |
4.6 / 5 (49) |
54
Search results for surface sediments
Scientists confirm Sierra Nevada 200-year megadroughts
The erratic year-to-year swings in precipitation totals in the Reno-Tahoe area conjures up the word "drought" every couple of years, and this year is no exception. The Nevada State Climate Office at the University ...
Space & Earth / Earth Sciences
Jun 01, 2012 |
4 / 5 (1) |
0
Researchers conclude that climate change led to collapse of ancient Indus civilization
A new study combining the latest archaeological evidence with state-of-the-art geoscience technologies provides evidence that climate change was a key ingredient in the collapse of the great Indus or Harappan Civilization ...
Space & Earth / Earth Sciences
May 28, 2012 |
4.7 / 5 (18) |
26
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Rapid coral death by a deadly chain reaction
(Phys.org) -- Most people are fascinated by the colorful and exotic coral reefs, which form habitats with probably the largest biodiversity. But human civilisation is the top danger to these fragile ecosystems ...
May 24, 2012 |
4.2 / 5 (5) |
6
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Bacteria alive (more or less) in 86-million-year-old seabed clay
(Phys.org) -- A new study by scientists from Denmark and Germany has found live bacteria trapped in red clay deposited on the ocean floor some 86 million years ago. The bacteria use miniscule amounts of oxygen ...
May 18, 2012 |
4.5 / 5 (15) |
10
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Sulphur and iron compounds common in old shipwrecks
Sulphur and iron compounds have now been found in shipwrecks both in the Baltic and off the west coast of Sweden. The group behind the results, presented in the Journal of Archaeological Science, includes scient ...
Other Sciences / Archaeology & Fossils
May 15, 2012 |
not rated yet |
3
A push from the Mississippi kept Deepwater Horizon oil slick off shore, research shows
When the Deepwater Horizon drilling rig exploded April 20, 2010, residents feared that their Gulf of Mexico shores would be inundated with oil. And while many wetland habitats and wildlife were oiled during the three-month ...
May 10, 2012 |
not rated yet |
0
Scientists measure Martian sand movement: Dune migration rates appear to be similar to those on Earth
Last year, images from NASA's Mars Reconnaissance Orbiter captured sand dunes and ripples moving across the surface of Mars—observations that challenged previously held beliefs that there was not a lot ...
Space & Earth / Space Exploration
May 09, 2012 |
5 / 5 (4) |
1
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Signs of ancient flowing water on Mars
(Phys.org) -- ESA’s Mars Express has returned images of a region on the Red Planet that appears to have been sculpted in part by flowing liquid. This again adds to the growing evidence that Mars had large ...
Space & Earth / Space Exploration
May 07, 2012 |
4.8 / 5 (6) |
0
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Ancient volcanic blast provides more evidence of water on early Mars
(Phys.org) -- The atmosphere of Mars is less than 1 percent the density of Earth’s. It’s one of the reasons liquid water covers much of our planet but cannot exist on the Red Planet. As more research ...
Space & Earth / Space Exploration
May 04, 2012 |
5 / 5 (2) |
1
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Scientists solve a mystery of bacterial growth and resistance
Scientists at The Scripps Research Institute have unraveled a complex chemical pathway that enables bacteria to form clusters called biofilms. Such improved understanding might eventually aid the development ...
Apr 26, 2012 |
4.5 / 5 (2) |
0
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List of search results for surface sediments
