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Showing releases 26-50 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: 30-Jul-2013

NEES Quake Summit 2013
Simulations aiding study of earthquake dampers for structures
Researchers have demonstrated the reliability and efficiency of "real-time hybrid simulation" for testing a type of powerful damping system that might be installed in buildings and bridges to reduce structural damage and injuries during earthquakes.

National Science Foundation
Contact: Emil Venere
venere@purdue.edu
765-494-4709
Purdue University
Public Release: 30-Jul-2013
Santa's workshop not flooded -- but lots of melting in the Arctic
Widespread media reports of a lake at the North Pole don't hold water -- but scientists who deployed the monitoring buoys are watching closely as Arctic sea ice approaches its yearly minimum.

National Science Foundation
Contact: Hannah Hickey
hickeyh@uw.edu
206-543-2580
University of Washington
Public Release: 30-Jul-2013
 Applied Physics Letters
Rensselaer researchers identify cause of LED 'efficiency droop'
Rensselaer Polytechnic Institute researchers have identified the mechanism behind a plague of LED light bulbs: a flaw called "efficiency droop" that causes LEDs to lose up to 20 percent of their efficiency as they are subjected to greater electrical currents.

National Science Foundation
Contact: Mary Martialay
martim12@rpi.edu
518-276-2146
Rensselaer Polytechnic Institute
Public Release: 30-Jul-2013
 Behavioral Ecology and Sociobiology
Veeries very quiet when owls are about
If you hear an owl hooting at dusk, don't expect to catch the flute-like song of a Veery nearby. This North American thrush has probably also heard the hoots, and is singing much less to ensure that it does not become an owl's next meal. A new study, published in Springer's journal Behavioral Ecology and Sociobiology, provides insights into just how eavesdropping between predators and prey around dusk may be shaping communication in birds.

National Science Foundation
Contact: Joan Robinson
joan.robinson@springer.com
49-622-148-78130
Springer
Public Release: 30-Jul-2013

NEES Quake Summit 2013
 Journal of Structural Engineering
Study: Online tools accelerating earthquake-engineering progress
A new study has found that online tools, access to experimental data and other services provided through "cyberinfrastructure" are helping to accelerate progress in earthquake engineering and science.

National Science Foundation
Contact: Emil Venere
venere@purdue.edu
765-494-4709
Purdue University
Public Release: 29-Jul-2013
 Zootaxa
Mini-monsters of the forest floor
A University of Utah biologist has identified 33 new species of predatory ants in Central America and the Caribbean, and named about a third of the tiny but monstrous-looking insects after ancient Mayan lords and demons.

National Science Foundation, National Geographic Society, Conservation International
Contact: Lee J. Siegel
lee.siegel@utah.edu
801-581-8993
University of Utah
Public Release: 29-Jul-2013
 Palaeogeoraphy, Palaeocilmatology, Palaeoecology
Ice-free Arctic winters could explain amplified warming during Pliocene
Year-round ice-free conditions across the surface of the Arctic Ocean could explain why the Earth was substantially warmer during the Pliocene Epoch than it is today, despite similar concentrations of carbon dioxide in the atmosphere, according to new research carried out at the University of Colorado Boulder.

National Science Foundation
Contact: Jim White
James.White@colorado.edu
303-492-7909
University of Colorado at Boulder
Public Release: 29-Jul-2013
 Ceramics International
New coating may help joint replacements bond better with bone
Researchers have found that bone cells grow and reproduce faster on a textured surface than they do on a smooth one -- and they grow best when they can cling to a microscopic shag carpet made of tiny metal oxide wires.

National Science Foundation
Contact: Pam Frost Gorder
Gorder.1@osu.edu
614-292-9475
Ohio State University
Public Release: 29-Jul-2013
 Proceedings of the National Academy of Sciences
Natural affinities -- unrecognized until now -- may have set stage for life to ignite
The chemical components crucial to the start of life on Earth may have primed and protected each other in never-before-realized ways, according to new research. It could mean a simpler scenario for how that first spark of life came about on the planet.

National Science Foundation
Contact: Sandra Hines
shines@uw.edu
206-543-2580
University of Washington
Public Release: 29-Jul-2013
 Physical Review Letters
Experimental quest to test Einstein's speed limit
Special relativity states that the speed of light is the same in all frames of reference and that nothing can exceed that limit. UC Berkeley physicists used a novel experimental system -- the unusual electron orbitals of dysprosium -- to test whether the maximum speed of electrons follows this rule. The answer is yes, to tighter limits than ever before. They plan another experiment a thousand times more sensitive, approaching the realm where theory may break down.

National Science Foundation, Miller Institute, Foundational Questions Institute
Contact: Robert Sanders
rlsanders@berkeley.edu
510-643-6998
University of California - Berkeley
Public Release: 29-Jul-2013
Binghamton University study aims to improve dyslexia treatment
Neuroscientist Sarah Laszlo wants to understand what's going on in children's brains when they're reading. Her research may untangle some of the mysteries surrounding dyslexia and lead to new methods of treating America's most common learning disorder.

National Science Foundation
Contact: Ryan Yarosh
ryarosh@binghamton.edu
607-777-2174
Binghamton University
Public Release: 29-Jul-2013
 Psychological Science
Intent to harm: Willful acts seem more damaging
How harmful we perceive an act to be depends on whether we see the act as intentional, reveals new research published in Psychological Science.

National Science Foundation
Contact: Lucy Hyde
lhyde@psychologicalscience.org
202-293-9300
Association for Psychological Science
Public Release: 29-Jul-2013
 Proceedings of the National Academy of Sciences
How does hydrogen metallize?
Hydrogen is deceptively simple. It has only a single electron per atom, but it powers the sun and forms the majority of the observed universe. As such, it is naturally exposed to the entire range of pressures and temperatures available in the whole cosmos. But researchers still struggle to understand even basic aspects of its various forms under high-pressure conditions. New work makes significant additions to our understanding of this vital element's high-pressure behavior.

EFree, US Department of Energy, National Science Foundation
Contact: Ronald Cohen
rcohen@carnegiescience.edu
202-478-8937
Carnegie Institution
Public Release: 28-Jul-2013
 Nature Nanotechnology
Molecular robots can help researchers build more targeted therapeutics
Many drugs such as agents for cancer or autoimmune diseases have nasty side effects because while they kill disease-causing cells, they also affect healthy cells. Now a new study has demonstrated a technique for developing more targeted drugs, by using molecular "robots" to hone in on more specific populations of cells.

National Institutes of Health, National Science Foundation, Lymphoma and Leukemia Foundation
Contact: Phyllis Fisher
phyllis.fisher@gmail.com
212-606-1724
Hospital for Special Surgery
Public Release: 25-Jul-2013
 Hydrology and Earth System Sciences
Global warming to cut snow water storage 56 percent in Oregon watershed
A new report projects that by the middle of this century there will be an average 56 percent drop in the amount of water stored in peak snowpack in the McKenzie River watershed of the Oregon Cascade Range -- and that similar impacts may be found on low-elevation maritime snow packs around the world.

National Science Foundation
Contact: Eric Sproles
eric.sproles@gmail.com
541-729-1377
Oregon State University
Public Release: 25-Jul-2013
 Physical Review Special Topics-Physics Education Research
Educators explore innovative 'theater' as a way to help students learn physics
By physically acting out the flow of energy, students develop an intuitive understanding of challenging science concepts.

National Science Foundation
Contact: James Riordon
riordon@aps.org
301-209-3238
American Physical Society
Public Release: 25-Jul-2013
 Nature
Study explains Pacific equatorial cold water region
A new study published this week in the journal Nature reveals for the first time how the mixing of cold, deep waters from below can change sea surface temperatures on seasonal and longer timescales.

National Science Foundation, National Oceanic and Atmospheric Administration
Contact: Jim Moum
moum@coas.oregonstate.edu
541-737-2553
Oregon State University
Public Release: 25-Jul-2013
 Proceedings of the National Academy of Sciences
Computer can infer rules of the forest
Cornell researchers have devised a computer algorithm that takes intermittent samples -- for example, the number of prey and predating species in a forest once a year, or the concentration of different species in a chemical bath once an hour -- and infer the likely reactions that led to that result. They're working backward from traditional stochastic modeling, which they say could help unravel the hidden laws in fields as diverse as molecular biology to population ecology to basic chemistry.

National Science Foundation, US Army Research Office
Contact: Syl Kacapyr
vpk6@cornell.edu
607-255-7701
Cornell University
Public Release: 25-Jul-2013
 Nature Methods
Broad-scale genome tinkering with help of an RNA guide
Duke researchers have devised a way to quickly and easily target and tinker with any gene in the human genome. The new tool, which builds on an RNA-guided enzyme they borrowed from bacteria, is being made freely available to researchers who may now apply it to the next round of genome discovery.

National Institutes of Health, National Science Foundation, American Heart Association
Contact: Kendall Morgan
kendall.morgan@duke.edu
919-684-2850
Duke University
Public Release: 24-Jul-2013
 Astrophysical Journal
Shedding new light on the brightest objects in the universe
Dartmouth astrophysicists and colleagues have documented the immense power of quasar radiation, reaching out for many thousands of light years to the limits of the quasar's galaxy.

NASA, National Science Foundation
Contact: John Cramer
john.d.cramer@dartmouth.edu
603-646-9130
Dartmouth College
Public Release: 24-Jul-2013
 Nano Letters
NYU-Poly nano scientists reach holy grail in label-free cancer marker detection: Single molecules
Just months after setting a record for detecting the smallest single virus in solution, researchers at the Polytechnic Institute of New York University announced a new breakthrough: A nano-enhanced version of their biosensor detected a single cancer marker protein and even smaller molecules below the mass of all known markers. This achievement sets a new benchmark for the most sensitive limit of detection, and may significantly advance early disease diagnostics.

National Science Foundation
Contact: Kathleen Hamilton
hamilton@poly.edu
718-260-3792
Polytechnic Institute of New York University
Public Release: 24-Jul-2013
 Journal of American Chemical Society
Carnegie Mellon biophysicist obtains first experimental evidence of pressure inside the herpes virus
Scientists have long suspected that herpes viruses were packaged so full of genetic material that they built up an internal pressure so strong it could shoot viral DNA into a host cell during infection. Carnegie Mellon University and University of Pittsburgh researchers have measured, for the first time, the pressure inside human herpes simplex virus 1. The study, published online in the Journal of the American Chemical Society, establishes a new target for antiviral therapies.

National Science Foundation, Swedish Research Council, National Institutes of Health
Contact: Jocelyn Duffy
jhduffy@andrew.cmu.edu
412-268-9982
Carnegie Mellon University
Public Release: 24-Jul-2013
 The Astrophysical Journal
Solar system's youth gives clues to planet search
Comets and meteorites contain clues to our solar system's earliest days. But some of the findings are puzzle pieces that don't seem to fit well together. A new set of theoretical models from Carnegie's Alan Boss shows how an outburst event in the Sun's formative years could explain some of this disparate evidence. His work could have implications for the hunt for habitable planets outside of our solar system.

NASA, National Science Foundation
Contact: Alan Boss
boss@dtm.ciw.edu
202-478-8858
Carnegie Institution
Public Release: 24-Jul-2013
 Nature
Starburst wind keeps galaxies 'thin'
Unlike humans, galaxies don't have an obesity problem. In fact there are far fewer galaxies at the most massive end of the galactic scale than expected and scientists have long sought to explain why. A new, UMD-led study published in the journal Nature suggests that one answer lies in a kind of feast and fast sequence through which large galaxies can keep their mass down.

National Science Foundation
Contact: Lee Tune
ltune@umd.edu
301-439-1438
University of Maryland
Public Release: 24-Jul-2013
 Scientific Reports
Coastal Antarctic permafrost melting faster than expected
Scientists have documented an acceleration in the melt rate of permafrost in a part of Antarctica where the ice had been considered stable. The melt rates are comparable with the Arctic and could preview melting permafrost in other parts of a warming Antarctica. In Garwood Valley, scientists found melt rates accelerated consistently from 2001 to 2012, rising to about 10 times the historical average.

National Science Foundation
Contact: J.B. Bird
jbird@jsg.utexas.edu
512-232-9623
University of Texas at Austin

Showing releases 26-50 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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