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Showing releases 1-21 out of 21 releases.
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Public Release: 9-May-2008
New technique determines the number of fat cells remains constant in all body types
The radioactive carbon-14 produced by above-ground nuclear testing in the 1950s and '60s has helped researchers determine that the number of fat cells in a human's body, whether lean or obese, is established during the teenage years. Changes in fat mass in adulthood can be attributed mainly to changes in fat cell volume, not an increase in the actual number of fat cells.
Contact: Anne Stark
stark8@llnl.gov
925-422-9799
DOE/Lawrence Livermore National Laboratory
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Public Release: 8-May-2008
Angewandte Chemie International
Warming up for magnetic resonance imaging
A new method of magnetic resonance imaging, much faster, more selective -- able to distinguish even among different target molecular species -- and many thousands of times more sensitive, has been developed by researchers at the Department of Energy's Lawrence Berkeley National Laboratory and the University of California at Berkeley. The new technique has the capacity to choose among targets by slight adjustments in temperature.
US Department of Energy
Contact: Paul Preuss
paul_preuss@lbl.gov
510-486-6249
DOE/Lawrence Berkeley National Laboratory
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Public Release: 8-May-2008
Science
Berkeley researchers identify photosynthetic dimmer switch
The pigment-binding protein CP29, one of the "minor" light-harvesting proteins in green plants, has been identified as a valve that permits or blocks the critical release of excess solar energy during photosynthesis. Furthermore, it has been proposed that the opening and closing of this valve can be controlled by raising or lowering ambient pH levels.
US Department of Energy
Contact: Lynn Yarris
lcyarris@lbl.gov
510-486-5375
DOE/Lawrence Berkeley National Laboratory
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Public Release: 8-May-2008
PNNL, WSU to advance biomass research in new facility
Washington State University and the US Department of Energy's Pacific Northwest National Laboratory today dedicated a new building for the advancement of biomass research.
At the Bioproducts, Sciences, and Engineering Laboratory, WSU and PNNL will work together to develop new solutions to some of the nation’s largest energy problems, strengthen opportunities to move technology into industry and provide students with a hands-on educational experience. The new $24.8 million facility is located on the WSU Tri-Cities campus.
Contact: Christy Lambert
christy.lambert@pnl.gov
509-375-3732
DOE/Pacific Northwest National Laboratory
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Public Release: 8-May-2008
Newest GREET model updates environmental impacts
The newest version of the Greenhouse gases, Regulated Emissions and Energy use in Transportation model from the US Department of Energy's Argonne National Laboratory will provide researchers with even more tools to evaluate and compare the environmental impacts of new transportation fuels and advanced vehicle technologies.
US Department of Energy
Contact: Brock Cooper
bcooper@anl.gov
630-252-5565
DOE/Argonne National Laboratory
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Public Release: 7-May-2008
Geophysical Research Letters
Climate models overheat Antarctica, new study finds
Computer analyses of global climate have consistently overstated warming in Antarctica, new research concludes. The study can help scientists improve computer models and determine if Earth's southernmost continent will warm significantly this century, a major research question because of Antarctica's potential impact on global sea-level rise.
National Science Foundation, US Department of Energy
Contact: David Hosansky
hosansky@ucar.edu
303-497-8611
National Center for Atmospheric Research/University Corporation for Atmospheric Research
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Public Release: 7-May-2008
Geophysical Research Letters
Global climate models both agree and disagree with actual Antarctic data
Scientists who compared recorded Antarctic temperatures and snowfall accumulation to predictions by major computer models of global climate change offer both good and bad news. The models' predictions covering the last 50 years broadly follow the actual observed temperatures and snowfall for the southernmost continent, although the observations are very variable. That's the good news.
National Science Foundation, US Department of Energy
Contact: David Bromwich
Bromwich.1@osu.edu
614-292-6692
Ohio State University
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Public Release: 6-May-2008
International Journal of High Performance Computing Applications
Berkeley Lab researchers propose a new breed of supercomputers
Three researchers from the US Department of Energy's Lawrence Berkeley National Laboratory (Berkeley Lab) have proposed an innovative way to improve global climate change redictions by using a supercomputer with low-power embedded microprocessors, an approach that would overcome limitations posed by today's conventional supercomputers.
US Department of Energy
Contact: Ucilia Wang
uwang@lbl.gov
510-495-2402
DOE/Lawrence Berkeley National Laboratory
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Public Release: 6-May-2008
Shpyrko receives APS organization's Young Investigator Award
The Advanced Photon Source Users Organization has named Oleg G. Shpyrko as the recipient of the 2008 Rosalind Franklin Young Investigator Award. The award recognizes an important technical or scientific accomplishment by a young investigator that depended on, or is beneficial to, the APS. Shpyrko received the award during 2008 Users Week at the US Department of Energy's Argonne National Laboratory, where he also presented his work.
Contact: Brock Cooper
bcooper@anl.gov
630-252-5565
DOE/Argonne National Laboratory
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Public Release: 6-May-2008
Soil Science Society of America Journal
Finding the real potential of no-till farming for sequestering carbon
Researchers investigated the potential of no-tillage agricultural soils for increasing the soil organic carbon pool. The results of the study revealed that no till farming impacts on soil carbon sequestration depended on soil type and sampling depth, with greater sequestration evident only in surface (0-10 cm) no till soils.
US Department of Energy
Contact: Sara Uttech
suttech@soils.org
608-268-4948
Soil Science Society of America
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Public Release: 4-May-2008
Nature Biotechnology
Lean and mean biomass-degrading fungus reveals capabilities for improved biofuel production
The bane of military quartermasters may soon be a boon to biofuels producers. The genome analysis of a biomass-degrading fungus has revealed a surprisingly minimal repertoire of genes that it employs to break down plant cells, highlighting opportunities for further improvements in enzymes customized for biofuels production. The results are published online May 4 in Nature Biotechnology by a team led by the US Department of Energy Joint Genome Institute and Los Alamos National Laboratory.
US Department of Energy
Contact: David Gilbert
degilbert@lbl.gov
925-296-5643
DOE/Joint Genome Institute
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Public Release: 4-May-2008
Nature Biotechnology
Turning fungus into fuel
A spidery fungus with a voracious appetite for military uniforms and canvas tents could hold the key to improvements in the production of biofuels, a team of government, academic and industry researchers has announced.
US DOE Joint Genome Institute
Contact: James E. Rickman
jamesr@lanl.gov
505-665-9203
DOE/Los Alamos National Laboratory
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Public Release: 2-May-2008
Blue Gene/P supercomputer to simulate extreme physics of exploding stars
Robert Fisher and Cal Jordan are among a team of scientists who will expend 22 million computational hours during the next year on one of the world's most powerful supercomputers, simulating an event that takes less than five seconds.
US Department of Energy
Contact: Steve Koppes
s-koppes@uchicago.edu
773-702-8366
University of Chicago
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Public Release: 2-May-2008
Science
Diatoms discovered to remove phosphorus from oceans
Scientists at the Georgia Institute of Technology have discovered a new way that phosphorus is naturally removed from the oceans -- its stored in diatoms. The discovery opens up a new realm of research into an element that's used for reproduction, energy storage and structural materials in every organism. The research appears in the May 2, 2008, edition of the journal Science.
National Science Foundation, US Department of Energy
Contact: David Terraso
david.terraso@comm.gatech.edu
404-385-2966
Georgia Institute of Technology
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Public Release: 1-May-2008
Story tips from the Department of Energy's Oak Ridge National Laboratory, May 2008
The following contains story ideas from the Department of Energy's Oak Ridge National Laboratory. To arrange for an interview with a researcher, please contact the Communications and External Relations staff member identified at the end of each tip.
Contact: Ron Walli
wallira@ornl.gov
865-576-0226
DOE/Oak Ridge National Laboratory
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Public Release: 29-Apr-2008
Physical Review Letters
Atomic force microscopy reveals liquids adjust viscosity when confined, shaken
New research shows that when water is confined to a small space, it behaves like a gel. Then, when shaken, it becomes fluidic and exhibits the same structural and mechanical properties as water in a bottle. The study -- the first to use an atomic force microscope to measure the viscosity of confined fluids -- revealed that these liquids can respond and modify their viscosity based on environmental changes.
National Science Foundation, US Department of Energy
Contact: Abby Vogel
avogel@gatech.edu
404-385-3364
Georgia Institute of Technology Research News
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Public Release: 29-Apr-2008
Argonne's Crabtree elected to National Academy of Sciences
George W. Crabtree, a senior scientist and administrator at the US Department of Energy's Argonne National Laboratory, was elected a member of the National Academy of Sciences for his excellence in original scientific research. Membership in the NAS is one of the highest honors given to a scientist or engineer in the United States. Crabtree will be inducted into the Academy next April during its 146th annual meeting in Washington, D.C.
Contact: Steve McGregor
smcgregor@anl.gov
630-252-5580
DOE/Argonne National Laboratory
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Public Release: 29-Apr-2008
Journal of Biological Chemistry
Scientists determine drug target for the most potent botulinum neurotoxin
Scientists at the US Department of Energy's Brookhaven National Laboratory and the US Army Medical Research Institute of Infectious Diseases have taken the first step toward designing an effective antidote to the most potent form of botulinum neurotoxin. The results of their research are reported in the April 22, 2008, online issue of the Journal of Biological Chemistry.
US Department of Defense
Contact: Diane Greenberg
greenb@bnl.gov
631-344-2347
DOE/Brookhaven National Laboratory
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Public Release: 28-Apr-2008
Proceedings of the National Academy of Science
Single-celled bacterium works 24-7
Researchers at Washington University in St. Louis have gained the first detailed insight into the way circadian rhythms govern global gene expression in Cyanothece, a type of cyanobacterium (blue-green alga) known to cycle between photosynthesis during the day and nitrogen fixation at night.
US Department of Energy
Contact: Gayle Geren
geren@wustl.edu
314-935-7163
Washington University in St. Louis
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Public Release: 28-Apr-2008
NeuroImage
Brookhaven scientists explore brain's reaction to potent hallucinogen
Brain-imaging studies performed in animals at the US Department of Energy's Brookhaven National Laboratory provide researchers with clues about why an increasingly popular recreational drug that causes hallucinations and motor-function impairment in humans is abused. Using trace amounts of Salvia divinorum -- also known as "salvia," a Mexican mint plant -- Brookhaven scientists found that the drug's behavior in the brains of primates mimics the extremely fast and brief "high" observed in humans.
US Department of Energy
Contact: Kendra Snyder
ksnyder@bnl.gov
631-344-8191
DOE/Brookhaven National Laboratory
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Public Release: 25-Apr-2008
Biophysical Journal
Berkeley researchers find new details following the path of solar energy during photosynthesis
Graham Fleming, a physical chemist who holds joint appointments with the US Department of Energy's Lawrence Berkeley National Laboratory and the University of California at Berkeley, has provided the first direct experimental links between atomic and electronic structures in pigment-protein complexes while energy is being transferred during photosynthesis.
US Department of Energy
Contact: Lynn Yarris
lcyarris@lbl.gov
510-486-5375
DOE/Lawrence Berkeley National Laboratory
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Showing releases 1-21 out of 21 releases.
Click to go to page: [ 1 ]
Dark Energy's 10th Anniversary, Part III
The third in a three-part history celebrating the 10th anniversary of the discovery of dark energy, recounting the Supernova Cosmology Project's pioneering efforts to overcome skepticism and prove that indeed it was possible to measure the expansion rate of the universe by using Type Ia supernovae as standard candles. The unexpected results stunned astronomers and physicists alike.
Dark Energy's 10th Anniversary, Part II
The second in a three-part history celebrating the 10th anniversary of the discovery of dark energy, recounting the Supernova Cosmology Project's pioneering efforts to overcome skepticism and prove that indeed it was