News tagged with geoscience
Using new technique, scientists find 11 times more aftershocks for 2004 quake
Space & Earth / Earth Sciences
Nov 23, 2009 |
4.5 / 5 (2) |
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(PhysOrg.com) -- Using a technique normally used for detecting weak tremor, scientists at the Georgia Institute of Technology discovered that the 2004 magnitude 6 earthquake along the Parkfield section of the San Andreas ...
Geologists point to outer space as source of the Earth's mineral riches
Space & Earth / Earth Sciences
Oct 18, 2009 |
4.1 / 5 (11) |
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According to a new study by geologists at the University of Toronto and the University of Maryland, the wealth of some minerals that lie in the rock beneath the Earth's surface may be extraterrestrial in origin.
Paleomagnetists put controversy to rest
Space & Earth / Earth Sciences
Oct 02, 2009 |
4.5 / 5 (10) |
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(PhysOrg.com) -- Princeton University scientists have shown that, in ancient times, the Earth's magnetic field was structured like the two-pole model of today, suggesting that the methods geoscientists use ...
Mystery Solved: Marine Microbe Is Source of Rare Nutrient
Space & Earth / Earth Sciences
Sep 29, 2009 |
4.8 / 5 (23) |
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(PhysOrg.com) -- A new study of microscopic marine microbes, called phytoplankton, by researchers at Woods Hole Oceanographic Institution (WHOI) and the University of South Carolina has solved a ten-year-old ...
Sichuan quake was once-in-4,000-year event: scientists
Space & Earth / Earth Sciences
Sep 27, 2009 |
3.8 / 5 (5) |
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People who were killed, injured or bereaved in the 2008 Sichuan earthquake had the cruel misfortune to be victims of an event that probably occurs just once in four millennia, seismologists said on Sunday.
New way to track quakes
Space & Earth / Earth Sciences
Sep 08, 2009 |
5 / 5 (4) |
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(PhysOrg.com) -- University of Edinburgh scientists have developed a new technique to monitor movements beneath the Earth's surface.
Denitrification, its importance once diluted, may be back on top, study says
Sep 02, 2009 |
4 / 5 (2) |
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After more than a decade of inquiry, a Princeton-led team of scientists has turned the tables on a long-standing controversy to re-establish an old truth about nitrogen mixing in the oceans.
Scientist finds alternate explanation for dune formation on Titan
Space & Earth / Space Exploration
Aug 25, 2009 |
4.2 / 5 (6) |
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A new and likely controversial paper has just been published online in Nature Geoscience by LSU Department of Geography and Anthropology Chair Patrick Hesp and United States Geological Survey scientist David ...
Global warming: Our best guess is likely wrong
Space & Earth / Earth Sciences
Jul 14, 2009 |
4.6 / 5 (49) |
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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.
New study closes in on geologic history of Earth's deep interior
Space & Earth / Earth Sciences
Jun 15, 2009 |
4 / 5 (5) |
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By using a super-computer to virtually squeeze and heat iron-bearing minerals under conditions that would have existed when the Earth crystallized from an ocean of magma to its solid form 4.5 billion years ...
Microfossils challenge prevailing views of the effects of 'Snowball Earth' glaciations on life
Space & Earth / Earth Sciences
May 26, 2009 |
4.1 / 5 (15) |
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New fossil findings discovered by scientists at UC Santa Barbara challenge prevailing views about the effects of "Snowball Earth" glaciations on life, according to an article in the June issue of the journal ...
Atmospheric lead causes clouds to form more easily, could change pattern of rain and snow
Space & Earth / Earth Sciences
Apr 19, 2009 |
4.6 / 5 (8) |
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(PhysOrg.com) -- By sampling clouds -- and making their own -- researchers have shown for the first time a direct relation between lead in the sky and the formation of ice crystals that foster clouds. The ...
Solomon Islands earthquake sheds light on enhanced tsunami risk
Space & Earth / Earth Sciences
Apr 09, 2009 |
4.1 / 5 (8) |
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The 2007 Solomon Island earthquake may point to previously unknown increased earthquake and tsunami risks because of the unusual tectonic plate geography and the sudden change in direction of the earthquake, ...
Dramatic expansion of dead zones in the oceans
Space & Earth / Earth Sciences
Jan 25, 2009 |
3.1 / 5 (15) |
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Unchecked global warming would leave ocean dwellers gasping for breath. Dead zones are low-oxygen areas in the ocean where higher life forms such as fish, crabs and clams are not able to live. In shallow coastal regions, ...
