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New species of ancient crocodile discoveredNew species of ancient crocodile discovered

Kitchen gadget inspires scientist to make more effective plastic electronicsKitchen gadget inspires scientist to make more effective plastic electronics

Making memories lastMaking memories last

Ferroelectric switching discovered for first time in soft biological tissueFerroelectric switching discovered for first time in soft biological tissue

Forensic research extends detection of cyanide poisoningForensic research extends detection of cyanide poisoning

The wild early lives of today's most massive galaxiesThe wild early lives of today's most massive galaxies

Shakespeare's skill 'more in grammar than in words'Shakespeare's skill 'more in grammar than in words'

Detailed picture of how myoV 'walks' along actin tracksDetailed picture of how myoV 'walks' along actin tracks

Need muscle for a tough spot? Turn to fat stem cellsNeed muscle for a tough spot? Turn to fat stem cells

Earth's energy budget remained out of balance despite unusually low solar activityEarth's energy budget remained out of balance despite unusually low solar activity

Pictures of food create feelings of hungerPictures of food create feelings of hunger

Mighty meshMighty mesh

Sweeten up your profits with the right hybridSweeten up your profits with the right hybrid

Patterns of antibiotic-resistant bacteria found in Galapagos reptilesPatterns of antibiotic-resistant bacteria found in Galapagos reptiles

How seawater could corrode nuclear fuelHow seawater could corrode nuclear fuel

Bilayer graphene works as an insulatorBilayer graphene works as an insulator

Patterns of chromosome abnormality: The key to cancer?Patterns of chromosome abnormality: The key to cancer?

Advantages of living in the dark: The multiple evolution events of 'blind' cavefishAdvantages of living in the dark: The multiple evolution events of 'blind' cavefish

Snakes improve search-and-rescue robotsSnakes improve search-and-rescue robots

Enhancing cognition in older adults also changes personalityEnhancing cognition in older adults also changes personality

Magnetic actuation enables nanoscale thermal analysisMagnetic actuation enables nanoscale thermal analysis

A new artificial intelligence technique to speed the planning of tasks when resources are limitedA new artificial intelligence technique to speed the planning of tasks when resources are limited

'Tiger mothers' should tame parenting approach'Tiger mothers' should tame parenting approach

Film coatings made from wheyFilm coatings made from whey

Growing US violent extremism by the numbersGrowing US violent extremism by the numbers

If a fat tax is coming, here's how to make it efficient, effectiveIf a fat tax is coming, here's how to make it efficient, effective

Bobsled runs -- fast and yet safeBobsled runs -- fast and yet safe

Fruit fly intestine may hold secret to the fountain of youthFruit fly intestine may hold secret to the fountain of youth

Geology News And Research - November 2009 Archives


Optical properties of the Antarctic system and new radiation information (11/30/2009)

The Antarctic system comprises of the continent itself, Antarctica, and the ocean surrounding it, the Southern Ocean. In a study for a doctoral degree by geophysicist Kai Rasmus, University of Helsinki, Finland, measurements were made during three Austral summers to study the optical properties of the Antarctic system and to produce radiation information for additional modeling studies. ...> Full Article


Oceanic crust formation is dynamic after all (11/29/2009)

Oceanic crust formation is dynamic after allEarth scientists at Brown University have found strong evidence that the geological processes that lead to the formation of oceanic crust are not as uniformly passive as believed. The team found centers of dynamic upwelling in the shallow mantle beneath spreading centers on the seafloor. Findings are published in this week's Nature. ...> Full Article


Small faults in southeast Spain reduce earthquake risk of larger ones (11/28/2009)

Small faults in southeast Spain reduce earthquake risk of larger onesA team of Spanish scientists studying recent, active deformations in the Baetic mountain range have shown that the activity of smaller tectonic structures close to larger faults in the south east of the Iberian Peninsula partially offsets the risk of earthquakes. ...> Full Article


The hydrothermal explosion craters of yellowstone and how they came to be (11/27/2009)

The hydrothermal explosion craters of yellowstone and how they came to beYellowstone National Park is widely known for its more than 10,000 thermal features. Among these features are at least 20 large (100 to greater than 2,500 meters in diameter) hydrothermal explosion craters, produced during the past 16,000 years. Although large hydrothermal explosions are rare on a human time scale, the potential for future explosions in Yellowstone is not insignificant, and events large enough to create even a 100-m-wide crater may be expected every 200 years. ...> Full Article


Using new technique, scientists find 11 times more aftershocks for 2004 quake (11/26/2009)

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 fault exhibited almost 11 times more aftershocks than previously thought. ...> Full Article


Supervolcano eruption - in Sumatra - deforested India 73,000 years ago (11/25/2009)

Supervolcano eruption - in Sumatra - deforested India 73,000 years agoA new study provides "incontrovertible evidence" that the volcanic super-eruption of Toba on the island of Sumatra about 73,000 years ago deforested much of central India, some 3,000 miles from the epicenter, researchers report. ...> Full Article


Rich ore deposits linked to ancient atmosphere (11/21/2009)

Much of our planet's mineral wealth was deposited billions of years ago when Earth's chemical cycles were different from today's. Using geochemical clues from rocks nearly 3 billion years old, a group of scientists including Andrey Bekker and Doug Rumble from the Carnegie Institution have made the surprising discovery that the creation of economically important nickel ore deposits was linked to sulfur in the ancient oxygen-poor atmosphere. ...> Full Article


Mysteriously warm times in Antarctica (11/20/2009)

A new study of Antarctica's past climate reveals that temperatures during the warm periods between ice ages (interglacials) may have been higher than previously thought. The latest analysis of ice core records suggests that Antarctic temperatures may have been up to 6°C warmer than the present day. ...> Full Article


Antarctica glacier retreat creates new carbon dioxide store (11/18/2009)

Large blooms of tiny marine plants called phytoplankton are flourishing in areas of open water left exposed by the recent and rapid melting of ice shelves and glaciers around the Antarctic Peninsula. This remarkable colonization is having a beneficial impact on climate change. As the blooms die back phytoplankton sinks to the sea-bed where it can store carbon for thousands or millions of years. ...> Full Article


Alberta's hidden valleys offer both resources and danger (11/17/2009)

Alberta is crisscrossed with hidden glacial valleys that hold both resource treasures and potential danger. University of Alberta researcher Doug Schmitt discovered a 300-meter-deep valley hidden beneath the surface of the ground near the community of Rainbow Lake in northwestern Alberta. ...> Full Article


How much water does the ocean have? (11/16/2009)

Short-term fluctuations in the spatial distribution of the ocean water masses ...> Full Article


Early life on Earth may have developed more quickly than thought (11/16/2009)

The Earth's climate was far cooler -- perhaps more than 50 degrees -- billions of years ago, which could mean conditions for life all over the planet were more conducive than previously believed, according to a research team that includes a Texas A&M University expert who specializes in geobiology. ...> Full Article


Underground mine ventilation subject of study (11/15/2009)

Underground mine ventilation subject of studyVirginia Tech researchers will use gas tracers as a means of remotely ascertaining information about ventilation control systems following a mine collapse or explosion. ...> Full Article


A glimpse at the Earth's crust deep below the Atlantic (11/15/2009)

A glimpse at the Earth's crust deep below the AtlanticLong-term variations in volcanism help explain the birth, evolution and death of striking geological features called oceanic core complexes on the ocean floor, says geologist Dr. Bram Murton of the National Oceanography Centre, Southampton. ...> Full Article


Scientist develops lab machine to study glacial sliding related to rising sea levels (11/14/2009)

Scientist develops lab machine to study glacial sliding related to rising sea levelsNeal Iverson has created a glacier in a freezer that could help scientists understand how glaciers slide across their beds. That could help researchers predict how climate change accelerates glacier sliding and contributes to rising sea levels. ...> Full Article


Controversial new climate change data (11/14/2009)

Controversial new climate change dataNew data show that the balance between the airborne and the absorbed fraction of CO2 has stayed approximately constant since 1850, despite emissions of CO2 having risen from about 2 billion tons a year in 1850 to 35 billion tons a year now.This suggests that terrestrial ecosystems and the oceans have a much greater capacity to absorb CO2 than had been previously expected. ...> Full Article


Cave study links climate change to California droughts (11/13/2009)

California experienced centuries-long droughts in the past 20,000 years that coincided with the thawing of ice caps in the Arctic, according to analysis of stalagmites from a cave in the Sierra Nevada. ...> Full Article


Earth's early ocean cooled more than a billion years earlier than thought (11/13/2009)

Earth's early ocean cooled more than a billion years earlier than thoughtThe global ocean covering the Earth 3.4 billion years ago was far cooler than has been thought, according to Stanford University researchers who analyzed isotope ratios in rocks formed on that ancient ocean floor. Instead of a hot primordial soup, much more tepid temperatures prevailed. Cooler temperatures may have had effects on the evolution of the early atmosphere and could have opened the door to an earlier spread of photosynthetic life forms across the planet. ...> Full Article


Deep creep means milder, more frequent earthquakes along Southern California's San Jacinto fault (11/11/2009)

Deep creep means milder, more frequent earthquakes along Southern California's San Jacinto faultUniversity of Miami study by Dr. Shimon Wdowinski in this week's Nature Geosciences demonstrates that deep creep may mean milder, more frequent earthquakes along SoCal's San Jacinto fault, making it a less likely candidate for a major earthquake than its neighbor to the east, the Southern San Andreas fault. ...> Full Article


Central Africa's tropical Congo Basin was arid, treeless in Late Jurassic (11/11/2009)

The lush, tropical Congo Basin was much different 150 million to 200 million years ago when dinosaurs roamed Gondwana, the single continent formed by Africa and South America. Geochemical analysis of rare ancient soils from Central Africa suggests the land was arid, with a small amount of seasonal rainfall, and few bushes or trees. There's very little data for the paleoclimate of the Late Jurassic, but it's important because climate determines plant communities. ...> Full Article


Study uses satellite imagery to identify active magma systems in East Africa's Rift Valley (11/10/2009)

Study uses satellite imagery to identify active magma systems in East Africa's Rift ValleyA team from University of Miami, University of El Paso and University of Rochester used Interferometric Synthetic Aperture Radar (InSAR) images compiled over a decade to study volcanic activity in the African Rift. A paper, published in the November issue of Geology, focuses on the section of the rift in Kenya. Surface deformation of four active volcanoes underscore possibility for human hazard, as well as the potential of geothermal resources. ...> Full Article


Are the Alps growing or shrinking? (11/9/2009)

Are the Alps growing or shrinking?he Alps are growing just as quickly in height, as they are shrinking. This paradoxical result could be proven by a group of German and Swiss geoscientists. ...> Full Article


Snows of Kilimanjaro shrinking rapidly, and likely to be lost (11/8/2009)

Snows of Kilimanjaro shrinking rapidly, and likely to be lostThe remaining ice fields atop famed Mount Kilimanjaro in Tanzania could be gone within two decades and perhaps even sooner, based on the latest survey of the ice fields remaining on the mountain. The findings indicate a major cause of this ice loss is very likely to be the rise in global temperatures. Although changes in cloudiness and precipitation may also play a role, they appear less important, particularly in recent decades. ...> Full Article


New evidence supports 19th century idea on formation of oil and gas (11/7/2009)

New evidence supports 19th century idea on formation of oil and gasScientists in Washington, D.C. are reporting laboratory evidence supporting the possibility that some of Earth's oil and natural gas may have formed in a way much different than the traditional process described in science textbooks. Their study is scheduled for November/December issue of ACS' Energy & Fuels, a bi-monthly publication. ...> Full Article


African desert rift confirmed as new ocean in the making (11/6/2009)

African desert rift confirmed as new ocean in the makingIn 2005, a gigantic, 35-mile-long rift broke open the desert ground in Ethiopia. At the time, some geologists believed the rift was the beginning of a new ocean as two parts of the African continent pulled apart, but the claim was controversial.Now, scientists from several countries have confirmed that the volcanic processes at work beneath the Ethiopian rift are nearly identical to those at the bottom of the world's oceans. ...> Full Article


Earthquakes actually aftershocks of 19th century quakes (11/6/2009)

When small earthquakes shake the central US, citizens often fear the rumbles are signs a big earthquake is coming. Fortunately, a new Northwestern University study instead shows that most of these earthquakes are aftershocks of big earthquakes (magnitude 7) in the New Madrid seismic zone that struck the Midwest almost 200 years ago. Aftershocks go on until the fault recovers, which takes much longer in the middle of a continent. ...> Full Article


Green is cool, but US land changes generally are not (11/5/2009)

Most land use changes occurring in the continental US result in raised regional surface temperatures, says a new study by scientists at the University of Maryland, Purdue University and the University of Colorado in Boulder. The study in the Royal Meteorological Society's International Journal of Climatology found that almost any change that makes land cover less "green" contributes to warming. A perhaps less intuitive finding is that conversion of any land to agricultural use results in cooling, even land that was previously forested. ...> Full Article


Glaciers subject of 3 Penn State grants (11/5/2009)

Glaciers, water under the glaciers, seismic activity and robotic rovers are all part of three National Science Foundation Polar Program grants awarded to Sridhar Anandakrishnan, professor of geosciences, Penn State. The grants, which total nearly a million dollars, are part of the American Recovery and Reinvestment Act funding. ...> Full Article


Newly drilled ice cores may be the longest taken from the Andes (11/4/2009)

Newly drilled ice cores may be the longest taken from the AndesResearchers spent two months this summer high in the Peruvian Andes and brought back two cores, the longest ever drilled from ice fields in the tropics. Ohio State glaciologist Lonnie Thompson said that this latest expedition focused on a yet-to-be-named ice field 5,364m above sea level in the Cordillera Blanca mountain range. ...> Full Article


Lessons from oil industry may help address groundwater crisis (11/2/2009)

Lessons from oil industry may help address groundwater crisisAlthough declining streamflows and half-full reservoirs have gotten most of the attention in water conflicts around the United States, some of the worst battles of the next century may be over groundwater, experts say -- a critical resource often taken for granted until it begins to run out. But lessons learned as oil was running out may offer some solutions. ...> Full Article


Arctic sea ice recovers slightly in 2009, remains on downward trend (11/1/2009)

Arctic sea ice recovers slightly in 2009, remains on downward trendDespite a slight recovery in summer Arctic sea ice in 2009 from record-setting low years in 2007 and 2008, the sea ice extent remains significantly below previous years and remains on a trend leading toward ice-free Arctic summers, according to the University of Colorado at Boulder's National Snow and Ice Data Center. ...> Full Article


Search

New Articles
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New seismology research on Haiti, slow earthquakes and the southern San Andreas Fault

European Geosciences Union General Assembly, April 22-27, 2012, Vienna, Austria

Injecting sulfate particles into stratosphere won't fully offset climate changeInjecting sulfate particles into stratosphere won't fully offset climate change

Scientists aboard Iberian coast ocean drilling expedition report early findingsScientists aboard Iberian coast ocean drilling expedition report early findings

Waiting for Death Valley's Big BangWaiting for Death Valley's Big Bang

Acidification provides the thrust

Rock stability research could make mining and construction saferRock stability research could make mining and construction safer

EARTH: Setting off a supervolcano

Drilling around the globe

Researchers to test 'quad porosity simulation' model for shale gas reservoirs

EARTH: Source code: The methane race

Could Siberian volcanism have caused the Earth's largest extinction event?

Researchers identify molecular 'culprit' in rise of planetary oxygenResearchers identify molecular 'culprit' in rise of planetary oxygen



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