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Showing releases 1-25 out of 26 releases.
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Public Release: 15-Jan-2009
Science Express
Scientists solve longstanding astronomy mystery
New research by Lawrence Livermore National Laboratory, University of California, Santa Cruz and UC Berkeley has shown how a massive star can grow despite outward-flowing radiation pressure that exceeds the gravitational force pulling material inward. The study appears in the Jan. 15 online edition of Science Express.

Contact: Anne Stark
stark8@llnl.gov
925-422-9799
DOE/Lawrence Livermore National Laboratory

Public Release: 15-Jan-2009
Science
New study resolves mystery of how massive stars form
Theorists have long wondered how massive stars -- up to 120 times the mass of the sun -- can form without blowing away the clouds of gas and dust that feed their growth. But the problem turns out to be less mysterious than it once seemed. A study published this week by Science shows how the growth of a massive star can proceed despite outward-flowing radiation pressure that exceeds the gravitational force pulling material inward.
National Science Foundation, NASA, US Department of Energy

Contact: Tim Stephens
stephens@ucsc.edu
831-459-2495
University of California - Santa Cruz

Public Release: 14-Jan-2009
Sandia adopts new agreement forms to allow universities/industry to use facilities
Sandia National Laboratories is adopting two new Department of Energy model agreements that will simplify the way universities and industry use the Labs facilities.

Contact: Chris Burroughs
coburro@sandia.gov
505-844-0948
DOE/Sandia National Laboratories

Public Release: 14-Jan-2009
More chip cores can mean slower supercomputing, Sandia simulation shows
The multicore dilemma: More cores on a single chip don't necessarily mean faster clock speeds, a Sandia simulation has determined.

Contact: Neal Singer
nsinger@sandia.gov
505-845-7078
DOE/Sandia National Laboratories

Public Release: 13-Jan-2009
Story tips from the Department of Energy's Oak Ridge National Laboratory -- January 2009
A project to speed and safeguard the shipping of thousands of radioisotopes in the US and afar hits the highway this year, but researchers expect the benefits to extend well beyond. Assistance to Navistar in developing a new lightweight truck bumper that can save gasoline without compromising safety is being performed by a materials process team headed by Gail Ludtka of ORNL. Structural defects introduced into carbon nanotubes could lead the way to carbon nanotube circuits, research led by Vincent Meunier of ORNL shows.

Contact: Ron Walli
wallira@ornl.gov
865-576-0226
DOE/Oak Ridge National Laboratory

Public Release: 13-Jan-2009
LLNL and Chevron sign fuel catalysis agreement
Lawrence Livermore National Laboratory has signed a research agreement with Chevron to develop the next generation of catalysts for production of clean, more efficient fuels from crude oil.

Contact: Anne Stark
stark8@llnl.gov
925-422-9799
DOE/Lawrence Livermore National Laboratory

Public Release: 13-Jan-2009
Applied Physics Letters
Smart lighting: New LED drops the 'droop'
Researchers at Rensselaer Polytechnic Institute have developed and demonstrated a new type of light emitting diode (LED) with significantly improved lighting performance and energy efficiency. The new polarization-matched LED, developed in collaboration with Samsung Electro-Mechanics, exhibits an 18 percent increase in light output and a 22 percent increase in wall-plug efficiency.
Samsung, National Science Foundation, US Department of Energy

Contact: Michael Mullaney
mullam@rpi.edu
518-276-6161
Rensselaer Polytechnic Institute

Public Release: 12-Jan-2009
Nature
Argonne scientists prove unconventional superconductivityin new iron arsenide compounds
Scientists at US Department of Energy's Argonne National Laboratory used inelastic neutron scattering to show that superconductivity in a new family of iron arsenide superconductors cannot be explained by conventional theories.
US Department of Energy

Contact: Brock Cooper
bcooper@anl.gov
630-252-5565
DOE/Argonne National Laboratory

Public Release: 12-Jan-2009
Decade of the Mind Symposium
Decade of the Mind symposium to be held this week
The Decade of the Mind Symposium, subtitled "Reverse Engineering the Brain: Sowing the Seeds for Technology Innovation," will be held at the Hyatt Regency Tamaya Resort & Spa, 1300 Tuyuna Trail, Santa Ana Pueblo, N.M., north of Albuquerque, and is open to the public. A product of the symposium will be a white paper that will explain why brain science is critical to national security, looking at brain injury and brain maladies, human-machine systems, training and nonkinetic conflict.

Contact: Chris Burroughs
coburro@sandia.gov
505-844-0948
DOE/Sandia National Laboratories

Public Release: 12-Jan-2009
Journal of Geophysical Research - Atmospheres
Dirty snow causes early runoff in Cascades, Rockies
Soot from pollution causes winter snowpacks to warm, shrink and warm some more. This continuous cycle sends snowmelt streaming down mountains as much as a month early, a new study finds, which could exacerbate winter flooding and summer droughts. How pollution affects a mountain range's natural water reservoirs is important for water resource managers in the western United States and Canada who plan for hydroelectricity generation, fisheries and farming.
Department of Energy

Contact: Mary Beckman
mary.beckman@pnl.gov
509-375-3688
DOE/Pacific Northwest National Laboratory

Public Release: 9-Jan-2009
Biochemistry
Researchers first to 'see' reactive oxygen species in vital enzyme
Using two simultaneous light-based probing techniques at the US Department of Energy's Brookhaven National Laboratory, a team of researchers has illuminated important details about a class of enzymes involved in everything from photosynthesis to the regulation of biological clocks.
US Department of Energy, National Institutes of Health, National Science Foundation, American Chemical Society, American Heart Association, Georgia State University, US Department of Education

Contact: Kendra Snyder
ksnyder@bnl.gov
631-344-8191
DOE/Brookhaven National Laboratory

Public Release: 6-Jan-2009
Argonne scientists reach milestone in accelerator upgrade project
Scientists at the US Department of Energy's Argonne National Laboratory have successfully stopped and then reaccelerated a stable ion through a newly constructed charge-breeder, bringing the CAlifornium Rare Isotope Breeder Upgrade Project closer to completion.
US Department of Energy, Office of Science, Office of Nuclear Physics

Contact: Brock Cooper
bcooper@anl.gov
630-252-5565
DOE/Argonne National Laboratory

Public Release: 6-Jan-2009
Jefferson Lab begins awarding contracts for construction of $310 million upgrade
The US Department of Energy's Thomas Jefferson National Accelerator Facility has awarded three contracts as part of a $310 million upgrade project that will provide an international community of physicists with a cutting-edge facility for studying the basic building blocks of the visible universe.
US Department of Energy

Contact: Dean Golembeski
deang@jlab.org
757-269-7689
DOE/Thomas Jefferson National Accelerator Facility

Public Release: 6-Jan-2009
Molecular Cell
Biologist finds plant polymerases IV and V are really variants of Polymerase II
It's a little like finding out that Superman is actually Clark Kent. A team of biologists at Washington University in St. Louis has discovered that two vital cellular components, nuclear RNA Polymerases IV and V, found only in plants, are actually specialized forms of RNA Polymerase II, an essential enzyme of all eukaryotic organisms, including humans.
National Institutes of Health, US Department of Energy

Contact: Craig Pikaard
pikaard@wustl.edu
314-935-7569
Washington University in St. Louis

Public Release: 6-Jan-2009
Archives of General Psychiatry
UCLA assessment technique lets scientists see brain aging before symptoms appear
UCLA scientists have used innovative brain-scan technology developed at UCLA, along with patient-specific information on Alzheimer's disease risk, to help diagnose brain aging, often before symptoms appear.
National Institutes of Health, US Department of Energy, Ahmanson Foundation, Larry L. Hillblom Foundation, Tamkin Foundation

Contact: Rachel Champeau
rchampeau@mednet.ucla.edu
310-794-2270
University of California - Los Angeles

Public Release: 5-Jan-2009
Physical Review Letters
IU physicist offers foundation for uprooting a hallowed principle of physics
Physicists at Indiana University have developed a promising new way to identify a possible abnormality in a fundamental building block of Einstein's theory of relativity known as "Lorentz invariance." If confirmed, the abnormality would disprove the basic tenet that the laws of physics remain the same for any two objects traveling at a constant speed or rotated relative to one another.
US Department of Energy's Office of Science

Contact: Steve Chaplin
812-856-1896
Indiana University

Public Release: 23-Dec-2008
Applied Physics Letters
Engineers: Efficient organic LEDs a step toward better lights
For those who love "green" compact fluorescent bulbs but hate their cold light, here's some good news: Researchers are closer to flipping the switch on cheaper, richer LED-type room lighting.
US Department of Energy

Contact: Franky So
fso@mse.ufl.edu
352-846-3304
University of Florida

Public Release: 22-Dec-2008
Modified plants may yield more biofuel
Plants, genetically modified to ease the breaking down of their woody material, could be the key to a cheaper and greener way of making ethanol, according to researchers who add that the approach could also help turn agricultural waste into food for livestock.
US Department of Energy

Contact: Amitabh Avasthi
axa47@psu.edu
814-865-9481
Penn State

Public Release: 22-Dec-2008
Journal of Molecular Biology
Scientists reveal structure of new botulism nerve toxin subtype
Scientists have determined the structure of a third subtype of botulinum neurotoxin -- a deadly toxin that causes the disease botulism, and is also used in cosmetic and therapeutic applications. The structure reveals a unique arrangement of the active components that may help explain why subtype E is faster-acting than others -- and may have implications for improving vaccines and/or therapeutic agents.
Defense Threat Reduction Agency/Joint Science and Technology Office for Chemical and Biological Defense, US Department of Energy, National Institutes of Health

Contact: Karen McNulty Walsh
kmcnulty@bnl.gov
631-344-8350
DOE/Brookhaven National Laboratory

Public Release: 19-Dec-2008
2 Brookhaven Lab physicists receive Presidential Early Career Award
Two physicists at the US Department of Energy's Brookhaven National Laboratory -- Mickey Chiu and Hooman Davoudiasl -- were among 68 researchers honored at a White House ceremony today as recipients of the prestigious Presidential Early Career Award for Scientists and Engineers.
US Department of Energy Office of Science

Contact: Diane Greenberg
greenb@bnl.gov
631-344-2347
DOE/Brookhaven National Laboratory

Public Release: 18-Dec-2008
Environmental Science & Technology
Timetable for Puget Sound restoration suffers setback
The slow natural restoration of hazardous sediments mired beneath the Puget Sound is progressing, but researchers at the Department of Energy's Pacific Northwest National Laboratory warn that this recovery process may take 10 to 30 years longer than first predicted, because of increased urban growth and its associated untreated runoff.
National Oceanic and Atmospheric Administration, Coastal Hypoxia Research Program, US Department of Commerce

Contact: Geoff Harvey
geoffrey.harvey@pnl.gov
509-372-6083
DOE/Pacific Northwest National Laboratory

Public Release: 18-Dec-2008
Two LLNL scientists selected as AAAS Fellows
Don Correll and Edward Moses of the Lawrence Livermore National Laboratory have been awarded the distinction of Fellow of the American Association for the Advancement of Science.

Contact: Anne Stark
stark8@llnl.gov
925-422-9799
DOE/Lawrence Livermore National Laboratory

Public Release: 18-Dec-2008
Argonne's modeling and simulation expertise to explore alternative sustainable sources of energy
Two computational scientists in the Mathematics and Computer Science Division at Argonne National Laboratory have been awarded a total of 37,500,000 hours of computing time on the Argonne Leadership Computing Facility to investigate safe and cost effective methods for developing nuclear energy.
Department of Energy

Contact: Eleanor Taylor
etaylor@anl.gov
630-252-5510
DOE/Argonne National Laboratory

Public Release: 18-Dec-2008
Argonne advancing DOE INCITE scientific research projects
Based on their potential for breakthroughs in science and engineering research, twenty eight projects have been awarded 400 million hours of computing time at Argonne's Leadership Computing Facility through the Department of Energy's Innovative and Novel Computational Impact on Theory and Experiment program.
Department of Energy

Contact: Eleanor Taylor
etaylor@anl.gov
630-252-5510
DOE/Argonne National Laboratory

Public Release: 18-Dec-2008
2009 DOE INCITE projects allocated at ORNL
In 2009, ORNL will make nearly 470 million processor hours available on Jaguar, its Cray XT supercomputer. Thirty-eight separate projects will advance breakthrough research in critical areas such as climate studies, energy assurance, materials and other areas of fundamental science.

Contact: Leo Williams
williamsjl2@ornl.gov
865-574-8891
DOE/Oak Ridge National Laboratory

Showing releases 1-25 out of 26 releases.
    Click to go to page: [ 1 | 2 ]