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Under certain conditions, carbon dioxide self-seals cracks

Supercritical CO2 boosts super optimism in sequestering greenhouse gas

Space & Earth / Earth Sciences

created Nov 17, 2008 | popularity 3.9 / 5 (25) | comments 14

(PhysOrg.com) -- Scientists appear to have the rock-solid evidence that suggests carbon dioxide can be safely and permanently sequestered in deep, underground basalt rock formations, without risk of it eventually ...


USC awarded $3.9M for lab under the sea

Space & Earth / Earth Sciences

created Feb 22, 2008 | popularity not rated yet | comments 0

Think of bacteria eating rock. Now think of bacteria eating rock below the ocean floor. How about experimenting on bacteria in that rock 15,000 feet underwater?


Undersea volcanic rocks offer vast repository for greenhouse gas, says study

Undersea volcanic rocks offer vast repository for greenhouse gas, says study

Space & Earth / Earth Sciences

created Jul 14, 2008 | popularity 3.5 / 5 (4) | comments 3

A group of scientists has used deep ocean-floor drilling and experiments to show that volcanic rocks off the West Coast and elsewhere might be used to securely imprison huge amounts of globe-warming carbon ...


New map hints at Venus's wet, volcanic past

New map hints at Venus's wet, volcanic past (w/ Video)

Space & Earth / Space Exploration

created Jul 14, 2009 | popularity 4.1 / 5 (8) | comments 0

(PhysOrg.com) -- Venus Express has charted the first map of Venus's southern hemisphere at infrared wavelengths. The new map hints that our neighbouring world may once have been more Earth-like, with both, ...


Electrochemical technique follows the motion of individual microparticles in space and time

Chemistry / Other

created Mar 13, 2009 | popularity not rated yet | comments 0

(PhysOrg.com) -- Many bacteria are able to 'swim' through liquids by means of a flagellum. When doing this, some bacteria follow attractants, some flee from harmful substances, and others align themselves using light, gravity, ...


Volcanic eruption signals simulated in lab for first time

Space & Earth / Earth Sciences

created Oct 10, 2008 | popularity 4.5 / 5 (2) | comments 0

(PhysOrg.com) -- For the first time, seismic signals that precede a volcanic eruption have been simulated and visualized in 3-D under controlled pressure conditions in a laboratory. The ability to conduct such simulations ...


Carbon Sequestration Resource

Geologists map rocks to soak CO2 from air

Space & Earth / Environment

created Mar 05, 2009 | popularity 3.4 / 5 (14) | comments 2

A new report by scientists at Columbia University's Earth Institute and the US Geological Survey points to an abundant supply of carbon-trapping rock in the US that could be used to help stabilize global warming. ...


Banded rocks reveal early Earth conditions, changes

Banded rocks reveal early Earth conditions, changes

Space & Earth / Earth Sciences

created Oct 11, 2009 | popularity 4.8 / 5 (16) | comments 1

(PhysOrg.com) -- The strikingly banded rocks scattered across the upper Midwest and elsewhere throughout the world are actually ambassadors from the past, offering clues to the environment of the early Earth ...


Reversals of Earth's Magnetic Field Explained by Small Core Fluctuations

Reversals of Earth's Magnetic Field Explained by Small Core Fluctuations

Physics / General Physics

created Apr 23, 2009 | popularity 4.7 / 5 (41) | comments 25

(PhysOrg.com) -- Based on studies of old volcanic basalt, scientists know that the Earth’s magnetic field reverses at irregular intervals, ranging from tens of thousands to millions of years. Volcanic basalt ...


The minerals on Mars influence the measuring of its temperature

The minerals on Mars influence the measuring of its temperature

Space & Earth / Space Exploration

created Jul 14, 2009 | popularity 3 / 5 (4) | comments 0

A team of researchers from the CSIC-INTA Astrobiology Centre in Madrid has confirmed that the type of mineralogical composition on the surface of Mars influences the measuring of its temperature. The study ...


Bacteria 'feed' on earth's ocean-bottom crust

'Barren' seafloor teeming with microbial life

Biology /

created May 28, 2008 | popularity 4.5 / 5 (11) | comments 0

Once considered a barren plain with the odd hydrothermal vent, the seafloor appears to be teeming with microbial life, according to a paper being published May 29 in Nature. “A 60,000 kilometer seam of bas ...


Continents loss to oceans boosts staying power

Space & Earth / Earth Sciences

created Apr 01, 2008 | popularity 4.2 / 5 (14) | comments 1

New research in the Proceedings of the National Academy of Science finds that the geological staying power of continents comes partly from their losing battle with the Earth's oceans over magnesium. Continents lose more t ...


Magma Discovered in Situ for First Time

Space & Earth / Earth Sciences

created Dec 16, 2008 | popularity 4.8 / 5 (17) | comments 0

(PhysOrg.com) -- A crew drilling on the Big Island of Hawaii has discovered magma, the molten rock material — never before found in its natural habitat underground — that is the central ingredient in the evolution of planets ...


Fighting climate change by turning CO2 to stone

Fighting climate change by turning CO2 to stone

Space & Earth / Environment

created Nov 17, 2009 | popularity 3.5 / 5 (13) | comments 4

(PhysOrg.com) -- While politicians debate the best ways to cut global carbon dioxide emissions, researchers at Idaho National Laboratory's Center for Advanced Energy Studies are charging ahead on a strategy ...


Apollo 12 and Surveyor 3

Apollo 12 and Surveyor 3

Space & Earth / Space Exploration

created Sep 03, 2009 | popularity 4.4 / 5 (8) | comments 2

Four months after the success of Apollo 11, NASA launched Apollo 12 in November 1969. Almost exactly 40 years later, the Lunar Reconnaissance Orbiter has seen the landing site.