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  News From the National Science Foundation
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Showing releases 751-775 out of 795.

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Public Release: 11-Mar-2014
Speed trap for fish catches domestic trout moving too slow
Washington State University researchers have documented dramatic differences in the swimming ability of domesticated trout and their wilder relatives. The study calls into question the ability of hatcheries to mitigate more than a century of disturbances to wild fish populations.
National Science Foundation, US Department of Agriculture

Contact: Kristy Bellinger
Washington State University

Public Release: 10-Mar-2014
Biophysical Journal
Penn researchers model a key breaking point involved in traumatic brain injury
Even the mildest form of a traumatic brain injury, better known as a concussion, can deal permanent, irreparable damage. Now, an interdisciplinary team of researchers at the University of Pennsylvania is using mathematical modeling to better understand the mechanisms at play in this kind of injury, with an eye toward protecting the brain from its long-term consequences.
National Science Foundation, National Institutes of Health, US Department of Defense

Contact: Evan Lerner
University of Pennsylvania

Public Release: 10-Mar-2014
Proceedings of the National Academy of Sciences
National study reveals urban lawn care habits
What do people living in Boston, Baltimore, Miami, Minneapolis-St. Paul, Phoenix, and Los Angeles have in common? From coast to coast, prairie to desert -- residential lawns reign. But, according to a new study in The Proceedings of the National Academy of Sciences, beneath this sea of green lie unexpected differences in fertilization and irrigation practices.
National Science Foundation

Contact: Lori M Quillen
845-677-7600 x121
Cary Institute of Ecosystem Studies

Public Release: 10-Mar-2014
Chemical spill activates Virginia Tech engineers in effort to determine long-term effects
Virginia Tech engineers snapped into action when more than 10,000 gallons of a chemical mixture leaked from a storage tank near Charleston, W.Va. Civil and environmental engineering graduate students jumped into the lab to develop analytical chemical techniques that isolated the six major components in the crude mixture and identified their chemical structures.
National Science Foundation

Contact: John Pastor
Virginia Tech

Public Release: 10-Mar-2014
Nature Nanotechnology
Scientists build thinnest-possible LEDs to be stronger, more energy efficient
University of Washington scientists have built the thinnest-known LED that can be used as a source of light energy in electronics. The LED is based off of two-dimensional, flexible semiconductors, making it possible to stack or use in much smaller and more diverse applications than current technology allows.
US Department of Energy, Office of Science, Research Grant Council of Hong Kong, University Grant Committee of Hong Kong, Croucher Foundation, National Science Foundation

Contact: Michelle Ma
University of Washington

Public Release: 10-Mar-2014
Proceedings of the National Academy of Sciences
A tale of 2 data sets: New DNA analysis strategy helps researchers cut through the dirt
Researchers from Michigan State University, the US Department of Energy Joint Genome Institute and Lawrence Berkeley National Laboratory, have published the largest soil DNA sequencing effort to date in PNAS. What has emerged in this first of the studies to come from this project is a simple, elegant solution to sifting through the deluge of information gleaned, as well as a sobering reality check on just how hard a challenge these environments will be.
Department of Energy Office of Science, US Department of Agriculture, National Science Foundation, Great Lakes Bioenergy Research Center

Contact: David Gilbert
DOE/Joint Genome Institute

Public Release: 10-Mar-2014
Impersonating poisonous prey
Imitation is the most sincere form of flattery -- especially in the predator/prey/poison cycle. In nature, bright colors are basically neon signs that scream, 'Don't eat me!' But how did prey evolve these characteristics? When did predators translate the meaning?
National Science Foundation

Contact: Layne Cameron
Michigan State University

Public Release: 10-Mar-2014
Nature Nanotechnology
Two-dimensional material shows promise for optoelectronics
A team creates LEDs, photovoltaic cells, and light detectors using novel one-molecule-thick material.
US Office of Naval Research, Packard, Pappalardo, National Science Foundation

Contact: Abby Abazorius
Massachusetts Institute of Technology

Public Release: 10-Mar-2014
Nature Methods
Rice synthetic biologists shine light on genetic circuit analysis
In a significant advance for the growing field of synthetic biology, Rice University bioengineers have created a toolkit of genes and hardware that uses colored lights and engineered bacteria to bring both mathematical predictability and cut-and-paste simplicity to the world of genetic circuit design.
National Science Foundation, Office of Naval Research, NASA

Contact: David Ruth
Rice University

Public Release: 10-Mar-2014
Proceedings of the National Academy of Sciences
Turing's theory of chemical morphogenesis validated 60 years after his death
Sixty years after Alan Turing's death, researchers from Brandeis University and the University of Pittsburgh have provided the first experimental evidence that validates Turing's theory of chemical morphogenesis in cell-like structures.
National Science Foundation Material Research Science and Engineering Center

Contact: Leah Burrows
Brandeis University

Public Release: 10-Mar-2014
2014 American Physical Society March Meeting
Nature Communications
Mapping the behavior of charges in correlated spin-orbit coupled materials
A team of Boston College physicists has mapped the inner atomic workings of a compound within the mysterious class of materials known as spin-orbit Mott insulators. The findings confirm the properties that theorists predict could lead to discoveries in superconductivity, the topological phases of matter and new forms of magnetism.
National Science Foundation, US Department of Energy

Contact: Ed Hayward
Boston College

Public Release: 10-Mar-2014
Proceedings of the National Academy of Sciences
Lawn care practices across the nation vary more than expected
A paper published today by the Proceedings of the National Academy of Sciences digs into the concept of the 'Urban Homogenization Hypothesis,' an assumption that urbanization is creating landscapes that are indistinguishable despite regional differences in climate and vegetation.
National Science Foundation

Contact: Jane Hodgins
USDA Forest Service - Northern Research Station

Public Release: 10-Mar-2014
Proceedings of the National Academy of Sciences
Mongol Empire rode wave of mild climate, says study
Researchers studying the rings of ancient trees in mountainous central Mongolia think they may have gotten at the mystery of how small bands of nomadic Mongol horsemen united to conquer much of the world within a span of decades, 800 years ago. The rise of the great leader Genghis Khan and the start of the largest contiguous empire in human history was propelled by a temporary run of nice weather.
National Science Foundation, National Geographic Society

Contact: Kevin Krajick
The Earth Institute at Columbia University

Public Release: 9-Mar-2014
Nature Geoscience
Sun's energy influences 1,000 years of natural climate variability in North Atlantic
Changes in the sun's energy output may have led to marked natural climate change in Europe over the last 1,000 years, according to researchers at Cardiff University. Scientists studying seafloor sediments found that changes in the sun's activity can have a considerable impact on the ocean-atmospheric dynamics in the North Atlantic, with potential effects on regional climate.
Natural Environment Research Council, National Science Foundation, Switzerland

Contact: Heath Jeffries
Cardiff University

Public Release: 9-Mar-2014
In grasslands remade by humans, animals may protect biodiversity
A study of grasslands on six continents suggests a way to counteract the human-made overdose of fertilizer that threatens the biodiversity of the world's prairies. The solution originates in nature: let grazing animals crop fast growing grasses, which have a competitive advantage in an over-fertilized world. The grasses block sunlight from ground level, but herbivores make light available to other plants.
National Science Foundation

Contact: Heather Dewar
University of Maryland

Public Release: 7-Mar-2014
Deer proliferation disrupts a forest's natural growth
Cornell researchers have discovered that a burgeoning deer population forever alters the progression of a forest's natural future by creating environmental havoc in the soil and disrupting the soil's natural seed banks.
USDA/Federal Formula Funds, National Science Foundation

Contact: Joe Schwartz
Cornell University

Public Release: 7-Mar-2014
New center expands materials research partnerships with industry
A new Center for Dielectrics and Piezoelectrics, supported by the National Science Foundation and co-located at Penn State and North Carolina State University, will build on and expand the research capabilities of Penn State's long-running Center for Dielectrics Studies.
National Science Foundation

Contact: A'ndrea Elyse Messer
Penn State

Public Release: 7-Mar-2014
Advanced Optical Materials
Squeezing light into metals
Using an inexpensive inkjet printer, University of Utah electrical engineers produced microscopic structures that use light in metals to carry information. This new technique, which controls electrical conductivity within such microstructures, could be used to rapidly fabricate superfast components in electronic devices, make wireless technology faster or print magnetic materials.
National Science Foundation

Contact: Aditi Risbud
University of Utah

Public Release: 6-Mar-2014
Physical Review B
Colored diamonds are a superconductor's best friend
Nitrogen-vacancy centers -- flaws in a diamond's crystal lattice that produce color -- have received much attention for their sensitivity to magnetic fields. University of California Berkeley, University of California Los Angeles and Ben-Gurion researchers have now used N-V diamond sensors to detect the tiny magnetic fluctuations that occur on the surface of high-temperature superconductors in hopes of discovering how these much ballyhooed but still mysterious materials work. With their chip sensor, they hope to measure the properties of a single magnetic vortex.
National Science Foundation, Defense Advanced Research Projects Agency, North Atlantic Treaty Organization

Contact: Robert Sanders
University of California - Berkeley

Public Release: 6-Mar-2014
Developmental Science
Are you smarter than a 5-year-old? Preschoolers can do algebra
Most preschoolers and kindergarteners, or children between four and six, can do basic algebra naturally using their Approximate Number System.
National Science Foundation, NIH/Eunice Kennedy Shriver National Institute of Child Health and Human Development

Contact: Latarsha Gatlin
Johns Hopkins University

Public Release: 6-Mar-2014
IUPUI researchers use computers to 'see' neurons to better understand brain function
A study from the Department of Computer and Information Science at the School of Science at Indiana University-Purdue University Indianapolis reveals new information about the motor circuits of the brain that may one day help those developing therapies to treat conditions such as stroke, schizophrenia, spinal cord injury or Alzheimer's disease.
National Science Foundation

Contact: Cindy Fox Aisen
Indiana University-Purdue University Indianapolis School of Science

Public Release: 6-Mar-2014
Robotic prosthesis turns drummer into a 3-armed cyborg
Georgia Tech has created a robotic drumming prosthesis with motors that power two drumsticks. The first stick is controlled both physically by the musicians' arms and electronically using electromyography muscle sensors. The other stick 'listens' to the music being played and improvises. The robot that can be attached to amputees, allowing its technology to be embedded into humans.
National Science Foundation

Contact: Jason Maderer
Georgia Institute of Technology

Public Release: 5-Mar-2014
Astrophysical Journal
A small step toward discovering habitable earths
For the first time, University of Arizona astronomers have used the same imaging technology found in a digital camera to take a picture of a planet far from our solar system with an Earth-based telescope. The accomplishment is a small step toward the technology astronomers will need in order to characterize planets suitable for harboring life.
National Science Foundation, NASA

Contact: Daniel Stolte
University of Arizona

Public Release: 5-Mar-2014
Journal of Geophysical Research: Solid Earth
First-ever 3-D image created of the structure beneath Sierra Negra volcano
The Galapagos Islands are home to some of the most active volcanoes in the world, with more than 50 eruptions in the last 200 years. Yet until recently, scientists knew far more about the history of finches, tortoises, and iguanas than of the volcanoes on which these unusual fauna had evolved. Now research out of the University of Rochester is providing a better picture of the subterranean plumbing system that feeds the Galapagos volcanoes.
National Science Foundation, Charles Darwin Foundation

Contact: Peter Iglinski
University of Rochester

Public Release: 5-Mar-2014
Nature Communications
Darwin: It's not all sexual (selection)
Scientists have long considered bird song to be an exclusively male trait, resulting from sexual selection. Now an international team of researchers says that's not the whole story. In Nature Communications, they write that 71 percent of songbirds in their extensive global survey had female song, and trait mapping revealed a common ancestor of modern songbirds also had female song. This research opens the door to explore alternative processes in the evolution of bird song.
National Science Foundation, Australian Academy of Science, Australian Research Council

Contact: Dinah Winnick
University of Maryland Baltimore County

Showing releases 751-775 out of 795.

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