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Showing releases 601-625 out of 738. [ 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 ]

Public Release: 6-Mar-2013
 Monthly Notices of the Royal Astronomical Society
CSI: Milky Way
There is growing evidence that several million years ago the center of the Milky Way galaxy was site of all manner of celestial fireworks and a pair of astronomers from Vanderbilt and Georgia Institute of Technology propose that a single event -- a black hole collision -- can explain all the "forensic" clues.

National Science Foundation, NASA
Contact: David Salisbury
david.salisbury@vanderbilt.edu
615-343-6803
Vanderbilt University
Public Release: 5-Mar-2013
 Nature Geoscience
The making of Antarctica's hidden fjords
Antarctica's topography began changing from flat to fjord-filled starting about 34 million years ago, according to a new report from a University of Arizona-led team of geoscientists. Knowing when Antarctica's topography started shifting from a flat landscape to one with glaciers, fjords and mountains is important for modeling how the Antarctic ice sheet affects global climate and sea-level rise.

National Science Foundation
Contact: Mari N. Jensen
mnjensen@email.arizona.edu
520-626-9635
University of Arizona
Public Release: 5-Mar-2013
 Physical Review Letters
Stressed proteins can cause blood clots for hours
New research from Rice University, Baylor College of Medicine and the Puget Sound Blood Center has revealed how stresses of flow in the small blood vessels of the heart and brain could cause a common protein to change shape and form dangerous blood clots. The scientists report this week in Physical Review Letters that the proteins can remain in the clot-initiating shape for up to five hours before settling back into their normal, healthy shape.

National Institutes of Health, National Science Foundation, Alliance for NanoHealth, Welch Foundation, Mary R. Gibson Foundation
Contact: David Ruth
david@rice.edu
713-348-6327
Rice University
Public Release: 5-Mar-2013
 Astrophysical Journal
New evidence that comets could have seeded life on Earth
UC Berkeley and Univ. of Hawaii scientists have shown that complex molecules can form on icy dust in space, suggesting that comets may have brought these molecules to Earth and seeded the growth of more complex building blocks of life. The team zapped icy snowballs of carbon dioxide and hydrocarbons, producing complex molecules, such as dipeptides, that are capable of catalyzing the formation of more complex structures.

National Science Foundation, University of California Berkeley
Contact: Robert Sanders
rsanders@berkeley.edu
510-643-6998
University of California - Berkeley
Public Release: 5-Mar-2013
 Computers in Human Behavior
Seniors who play video games report better sense of emotional well-being
New research from North Carolina State University finds that older adults who play video games report higher levels of emotional well-being.

National Science Foundation
Contact: Matt Shipman
matt_shipman@ncsu.edu
919-515-6386
North Carolina State University
Public Release: 5-Mar-2013
 Nature Nanotechnology
New spectroscopy method could lead to better optical devices
A new spectroscopy method helps distinguish the orientations of light-emitters in layered nanomaterials and other thin films. The method could lead to better thin-film optical devices like LEDs and solar cells.

Air Force Office of Scientific Research, National Science Foundation, Semiconductor Research Corporation
Contact: Kevin Stacey
kevin_stacey@brown.edu
401-863-3766
Brown University
Public Release: 5-Mar-2013
 Genetics
Does the villainous 'selfish' gene undermine genome's police?
Biologists have been observing the "selfish" genetic entity segregation distorter (SD) in fruit flies for decades. Its story is a thriller among molecules, in which the SD gene destroys maturing sperm that have a rival chromosome. A new study reveals a tactic that gives SD's villainy an extra edge.

National Science Foundation
Contact: David Orenstein
david_orenstein@brown.edu
401-863-1862
Brown University
Public Release: 5-Mar-2013
 Nature
USF and KAUST chemists develop efficient material for carbon capture
Chemists have discovered a more efficient, less expensive and reusable material for carbon dioxide capture and separation.

King Abdullah University of Science and Technology, National Science Foundation, US Department of Energy
Contact: Vickie Chachere
vchachere@usf.edu
813-974-6251
University of South Florida (USF Health)
Public Release: 5-Mar-2013
 Proceedings of the Royal Society B
Stressed-out tadpoles grow larger tails to escape predators
When people or animals are thrust into threatening situations such as combat or attack by a predator, stress hormones are released to help prepare the organism to defend itself or to rapidly escape from danger -- the so-called fight-or-flight response.

University of Michigan/Department of Ecology and Evolutionary Biology, National Science Foundation
Contact: Jim Erickson
ericksn@umich.edu
734-647-1842
University of Michigan
Public Release: 5-Mar-2013
 Stroke
Is it a stroke or benign dizziness? A simple bedside test can tell
A bedside electronic device that measures eye movements can successfully determine whether the cause of severe, continuous, disabling dizziness is a stroke or something benign, according to results of a small study led by Johns Hopkins Medicine researchers.

Swiss National Science Foundation, Agency for Healthcare Research and Quality, National Institutes of Health
Contact: Stephanie Desmon
sdesmon1@jhmi.edu
410-955-8665
Johns Hopkins Medicine
Public Release: 4-Mar-2013
 Proceedings of the National Academy of Sciences
MIT researchers develop solar-to-fuel roadmap for crystalline silicon
A new analysis points the way to optimizing efficiency of an integrated system for harvesting sunlight to make storable fuel.

National Science Foundation, Air Force Office of Scientific Research, Singapore National Research Foundation/Singapore-MIT Alliance, Chesonis Family Foundation
Contact: Sarah McDonnell
s_mcd@mit.edu
617-827-7637
Massachusetts Institute of Technology
Public Release: 4-Mar-2013
 Nature Communications
'True grit' erodes assumptions about evolution
New work in Argentina where scientists had previously thought Earth's first grasslands emerged 38 million years ago, shows the area at the time covered with tropical forests rich with palms, bamboos and gingers. Grit and volcanic ash in those forests could have caused the evolution of teeth in horse-like animals that scientists mistakenly thought were adaptations in response to emerging grasslands.

National Science Foundation
Contact: Sandra Hines
shines@uw.edu
206-543-2580
University of Washington
Public Release: 4-Mar-2013
 Proceedings of the National Academy of Sciences
New research confirms plight of bumble bees, persistence of other bees in Northeast
A new study shows that although certain bumble bees are at risk, other bee species in the northeastern United States persisted across a 140-year period despite expanding human populations and changing land use. Led by Rutgers University and based extensively on historical specimens from the American Museum of Natural History and nine other bee collections, the study informs conservation efforts aimed at protecting native bee species and the important pollinator services they provide.

National Science Foundation
Contact: Kendra Snyder
ksnyder@amnh.org
212-496-3419
American Museum of Natural History
Public Release: 4-Mar-2013
 Nature Physics
Vortex loops could untie knotty physics problems
University of Chicago physicists have succeeded in creating a vortex knot -- a feat akin to tying a smoke ring into a knot. Linked and knotted vortex loops have existed in theory for more than a century, but creating them in the laboratory had previously eluded scientists.

A.P. Sloan Foundation, Packard Foundation, National Science Foundation
Contact: Steve Koppes
skoppes@uchicago.edu
773-702-8366
University of Chicago
Public Release: 4-Mar-2013
Promiscuous enzymes may be recruited to aid industry, medical fields
Enzymes in cells normally perform only one job, but a new study by a Texas A&M AgriLife Research scientist might figure out how to recruit enzymes for other jobs to benefit medical fields and industry.

National Science Foundation
Contact: Kathleen Phillips
ka-phillips@tamu.edu
979-845-2872
Texas A&M AgriLife Communications
Public Release: 4-Mar-2013
Scientists call for greater access to biodiversity resources, data
The American Institute of Biological Sciences has released a report from a workshop of experts that was convened last fall to outline the steps needed to build a Network Integrated Biocollections Alliance (NIBA) in the next ten years. NIBA is a national scientific, engineering, and data management initiative first called for in 2010. When built, NIBA will provide online access to digitized data for biological specimens.

National Science Foundation
Contact: Dr. Robert Gropp
rgropp@aibs.org
202-628-1500 x250
American Institute of Biological Sciences
Public Release: 3-Mar-2013
 Nature Materials
Man-made material pushes the bounds of superconductivity
A multi-university team of researchers has artificially engineered a unique multilayer material that could lead to breakthroughs in both superconductivity research and in real-world applications.

US Department of Energy Office of Basic Energy Sciences, National Science Foundation, Air Force Office of Scientific Research
Contact: Chang-Beom Eom
eom@engr.wisc.edu
608-263-6305
University of Wisconsin-Madison
Public Release: 3-Mar-2013
 Nature Climate Change
Early warning system provides 4-month forecast of malaria epidemics in northwest India
Sea surface temperatures in the tropical South Atlantic Ocean can be used to accurately forecast, by up to four months, malaria epidemics thousands of miles away in northwestern India, a University of Michigan theoretical ecologist and her colleagues have found.

National Institute of Malaria Research New Delhi, University of Michigan/Graham Sustainability Institute, NOAA, National Science Foundation, NASA
Contact: Jim Erickson
ericksn@umich.edu
734-647-1842
University of Michigan
Public Release: 1-Mar-2013
Adaptable software, tools aim to help rheumatoid arthritis patients
UT Arlington researchers are creating individualized, patient-centered rehabilitation software systems that will promote and support physical therapy for people with rheumatoid arthritis.

National Science Foundation
Contact: Herb Booth
hbooth@uta.edu
817-272-7075
University of Texas at Arlington
Public Release: 1-Mar-2013
 Nature Physics
Improved synchronicity: Preventive care for the power grid
As the national power-grid network becomes larger and more complex, achieving reliability across the network is increasingly difficult. Now Northwestern University scientists have identified conditions and properties that power companies can consider using to keep power generators in the desired synchronized state. The design could help reduce both the frequency of blackouts and the cost of electricity as well as offer an improved plan for handling the intermittent power sources of renewable energy, which can destabilize the network.

National Science Foundation
Contact: Megan Fellman
fellman@northwestern.edu
847-491-3115
Northwestern University
Public Release: 1-Mar-2013
 Proceedings of the National Academy of Sciences
How do bacteria clog medical devices? Very quickly
A new study demonstrates that bacteria can quickly and catastrophically clog medical devices by forming slimy ribbons that tangle and trap other cells.

National Institutes of Health, National Science Foundation, Howard Hughes Medical Institution
Contact: Catherine Zandonella
czandone@princeton.edu
Princeton University
Public Release: 1-Mar-2013
 Geophysical Research Letters
Volcanic aerosols, not pollutants, tamped down recent Earth warming, says CU-Boulder study
A team led by the University of Colorado Boulder looking for clues about why Earth did not warm as much as scientists expected between 2000 and 2010 now thinks the culprits are hiding in plain sight -- dozens of volcanoes spewing sulfur dioxide.

NOAA, NASA, National Science Foundation
Contact: Ryan Neely
ryan.neely@colorado.edu
366-302-4244
University of Colorado at Boulder
Public Release: 1-Mar-2013
 Personality and Social Psychology Bulletin
Living through a tornado does not shake optimism
Even in the face of a disaster, we remain optimistic about our chances of injury compared to others, according to a new study. Residents of a town struck by a tornado thought their risk of injury from a future tornado was lower than that of peers, both a month and a year after the destructive twister. Such optimism could undermine efforts toward emergency preparedness.

National Science Foundation
Contact: Lisa M.P. Munoz
spsp.publicaffairs@gmail.com
703-951-3195
Society for Personality and Social Psychology
Public Release: 1-Mar-2013
 Journal of Clinical Investigation
A nanogel-based treatment for lupus
In this issue of the Journal of Clinical Investigation, Tarek Fahmy and colleagues at Yale University report the development of a nanogel-based delivery system that targets an immunosuppressive drug (mycophenolic acid) directly to tissues associated with immune cells.

Department of Defense, National Science Foundation, National Institutes of Health, Wallace H. Coulter Foundation, Lupus Research Institute
Contact: Jillian Hurst
press_releases@the-jci.org
Journal of Clinical Investigation
Public Release: 28-Feb-2013
 Earth and Planetary Science Letters
Mineral diversity clue to early Earth chemistry
Mineral evolution is a new way to look at our planet's history. It's the study of the increasing diversity and characteristics of Earth's near-surface minerals, from the dozen that arrived on interstellar dust particles when the Solar System was formed to the more than 4,700 types existing today. New research on a mineral called molybdenite provides important new insights about the changing chemistry of our planet as a result of geological and biological processes.

Carnegie Institution for Science, National Aeronautics and Space Administration, National Science Foundation, Department of Energy
Contact: Robert Hazen
rhazen@carnegiescience.edu
20-247-889-623-017-85068
Carnegie Institution

Showing releases 601-625 out of 738. [ 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 ]

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