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Key new ingredient in climate model refines global predictions

October 9, 2009

OAK RIDGE, Tenn., Oct. 9, 2009 -- For the first time, climate scientists from across the country have successfully incorporated the nitrogen cycle into global simulations for climate change, questioning previous assumptions regarding carbon feedback and potentially helping to refine model forecasts about global warming.

UT Knoxville and ORNL researchers reveal key to how bacteria clear mercury pollution

October 1, 2009

KNOXVILLE -- Mercury pollution is a persistent problem in the environment. Human activity has lead to increasingly large accumulations of the toxic chemical, especially in waterways, where fish and shellfish tend to act as sponges for the heavy metal.

Spallation Neutron Source first of its kind to reach megawatt power

September 29, 2009

OAK RIDGE, Tenn., Sept. 28, 2009 -- The Department of Energy's Spallation Neutron Source (SNS), already the world's most powerful facility for pulsed neutron scattering science, is now the first pulsed spallation neutron source to break the one-megawatt barrier.

Variability of type 1a supernovae has implications for dark energy studies

August 12, 2009

SANTA CRUZ, CA--The stellar explosions known as type 1a supernovae have long been used as "standard candles," their uniform brightness giving astronomers a way to measure cosmic distances and the expansion of the universe.

Forest response project FACEs the end

July 28, 2009

OAK RIDGE, Tenn., July 28, 2009 -- After 12 years, an experiment focused on forest growth and climate change comes to an end, and researchers at Oak Ridge National Laboratory are eager to collect and analyze data to see if their predictions match results.

Spallation Neutron Source sees first target replacement

July 27, 2009

OAK RIDGE, July 27, 2009 -- Having outlasted all expectations of its service life, the original mercury target of the Spallation Neutron Source (SNS), the Department of Energy (DOE) Office of Science's record-setting neutron science facility at Oak Ridge National Laboratory, is being replaced for the first time.

Spring cold snap helps with stream ecosystem research

July 23, 2009

OAK RIDGE, Tenn., July 23, 2009 -- A rare April freeze in 2007 provided researchers at the Department of Energy's Oak Ridge National Laboratory with further evidence that climate change could have negative effects on stream and forest ecosystems.

ORNL advances therapy for Parkinson's, other diseases

July 22, 2009

OAK RIDGE, Tenn., July 22, 2009 -- By miniaturizing a device that monitors the delivery of healthy cells, researchers at Department of Energy's Oak Ridge National Laboratory are developing a powerful instrument for physicians to use in treating patients with Parkinson's syndrome, brain tumors and other diseases.

Finding Could Help Electronics Industry Enter New Phase

June 17, 2009

Electronic devices of the future could be smaller, faster, more powerful and consume less energy because of a discovery by researchers at the Department of Energy’s Oak Ridge National Laboratory.

The key to the finding, published in Science, involves a method to measure intrinsic conducting properties of ferroelectric materials, which for decades have held tremendous promise but have elud

ORNL finding could help electronics industry enter new phase

June 17, 2009

Electronic devices of the future could be smaller, faster, more powerful and consume less energy because of a discovery by researchers at the Department of Energy's Oak Ridge National Laboratory.

Story Tips from the Department of Energy's Oak Ridge National Laboratory, June 2009

June 9, 2009

To arrange for an interview with a researcher, please contact the Communications and External Relations staff member identified at the end of each tip. For more information on ORNL and its research and development activities, please refer to one of our Media Contacts.

Pandemic passenger screening

May 19, 2009

Four major US national laboratories have worked together to develop a computer model to help airport authorities screen passengers for pandemic influenza. The tool can help estimate false negatives, people with influenza who slip through the screening process, and so assess the risk of infected passengers unknowingly spreading disease across the nation.

Smoke from cigarettes, cooking oil, wood, shift male cardiovascular system into overdrive

April 17, 2009

NEW ORLEANS (April 17, 2009) -- Secondhand tobacco smoke and smoke from cooking oil and wood smoke affected cardiovascular function of men and women who were exposed to small doses of the smoke for as little as 10 minutes, according to a study from the University of Kentucky.

Researchers discover primer to plant defense system

April 3, 2009

OAK RIDGE, Tenn., April 3, 2009 -- By identifying a novel compound that primes a plant's immune system, researchers at Oak Ridge National Laboratory and the University of Chicago may be on a path to developing disease-resistant plants.

New method for detecting explosives

March 13, 2009

COLLEGE PARK, MD (Mar 12, 2009) -- A group of researchers in Tennessee and Denmark has discovered a way to sensitively detect explosives based on the physical properties of their vapors.



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