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  News From the National Science Foundation
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Showing releases 426-450 out of 803.

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Public Release: 27-Apr-2015
Proceedings of the National Academy of Sciences
Combining ecology and human needs, researchers assess sustainability of Baja fisheries
The waters of Baja California Sur are both ecosystems and fisheries where human needs meet nature. In a new study, researchers assessed the capacity to achieve sustainability by applying a framework that accounts for both ecological and human dimensions of environmental stewardship.
National Science Foundation, David and Lucile Packard Foundation, Brown University, Walton Family Foundation, World Wildlife Fund Fuller Fellowship Program

Contact: David Orenstein
Brown University

Public Release: 24-Apr-2015
Nature Communications
Northwestern scientists develop first liquid nanolaser
Northwestern University scientists have developed the first liquid nanoscale laser. And it's tunable in real time, meaning you can quickly and simply produce different colors, a unique and useful feature. The laser technology could lead to practical applications, such as a new form of a 'lab on a chip' for medical diagnostics. In addition to changing color in real time, the liquid nanolaser has additional advantages: it is simple to make, inexpensive to produce and operates at room temperature.
National Science Foundation

Contact: Megan Fellman
Northwestern University

Public Release: 24-Apr-2015
The Review of Higher Education
To improve STEM diversity, fix higher education, scholar says
To increase diversity in US STEM workforce, policymakers and educators need to address factors in college programs that discourage minority students, contribute to their noncompletion of degrees.
Alfred P. Sloan Foundation, National Science Foundation

Contact: Sharita Forrest
University of Illinois at Urbana-Champaign

Public Release: 24-Apr-2015
Generating broadband terahertz radiation from a microplasma in air
Researchers have shown that a laser-generated microplasma in air can be used as a source of broadband terahertz radiation. In a paper published this week in Optica, they demonstrate that an approach for generating terahertz waves using intense laser pulses in air can be done with much lower power lasers, a major challenge until now. Lead author Fabrizio Buccheri explains that they exploited the underlying physics to reduce the necessary laser power for plasma generation.
National Science Foundation, Army Research Office

Contact: Leonor Sierra
University of Rochester

Public Release: 24-Apr-2015
Nature Communications
Biodiversity promotes multitasking in ecosystems
A worldwide study of the interplay between organisms and their environment bolsters the idea that greater biodiversity helps maintain more stable and productive ecosystems.
National Center for Ecological Analysis and Synthesis, University of California -- Santa Barbara, National Science Foundation

Contact: David Malmquist
Virginia Institute of Marine Science

Public Release: 23-Apr-2015
Soil Science Society of America Journal
Going with the flow?
Soil scientists have struggled with accurately measuring water flow through soil for years. Even the smallest soil details can sway water's path from the straight, sequential line gravity alone might demand. These minute differences contribute to water's 'preferential flow.' This study examined methods to scale up observations from the smallest, basic unit of soil to the larger landscape and found the unique water patterns depended small-scale elements.
National Science Foundation Hydrologic Sciences Program, Critical Zone Observatory Program

Contact: Susan Fisk
American Society of Agronomy

Public Release: 23-Apr-2015
Researchers add a new wrinkle to cell culture
Using a technique that introduces tiny wrinkles into sheets of graphene, researchers from Brown University have developed new textured surfaces for culturing cells in the lab that better mimic the complex surroundings in which cells grow in the body.
National Science Foundation, National Institutes of Health

Contact: Kevin Stacey
Brown University

Public Release: 23-Apr-2015
Conference on Human Factors in Computing Systems (CHI 2015)
Resilience, not abstinence, may help teens battle online risk
Boosting teenagers' ability to cope with online risks, rather than trying to stop them from using the Internet, may be a more practical and effective strategy for keeping them safe, according to a team of researchers.
National Science Foundation

Contact: Matt Swayne
Penn State

Public Release: 23-Apr-2015
Revolutionary discovery leads to invention of new 'building blocks'
Taking a revolutionary 'building blocks' approach, a research team led by Stephen Z.D. Cheng at the University of Akron invented a new thinking pathway in the design and synthesis of macromolecules by creating an original class of giant tetrahedra. Through a reaction called 'click chemistry,' these tetrahedron building blocks can then be precisely manipulated to unite with other tetrahedrons.
National Science Foundation

Contact: Lisa Craig
University of Akron

Public Release: 23-Apr-2015
PLOS Computational Biology
Finding new life for first-line antibiotics
Researchers have identified a single, simple measure -- recovery time -- to guide antibiotic dosing that could bring an entire arsenal of first-line antibiotics back into the fight against drug-resistant pathogens.
National Science Foundation, National Institutes of Health, DuPont Young Professorship Award, David and Lucile Packard Fellowship, National Science Foundation Graduate Research Fellowship, Howard G. Clark Fellowship

Contact: Ken Kingery
Duke University

Public Release: 23-Apr-2015
Study: Photosynthesis has unique isotopic signature
Photosynthesis leaves behind a unique calling card, a chemical signature that is spelled out with stable oxygen isotopes, according to a new study in Science. The findings suggest isotopic signatures could exist for many biological and geological processes, including some that are difficult to observe with current tools.
National Science Foundation, NASA, Deep Carbon Observatory

Contact: Jade Boyd
Rice University

Public Release: 23-Apr-2015
Scientists see deeper Yellowstone magma
University of Utah seismologists discovered and made images of a reservoir of hot, partly molten rock 12 to 28 miles beneath the Yellowstone supervolcano, and it is 4.4 times larger than the shallower, long-known magma chamber. The hot rock in the newly discovered, deeper magma reservoir would fill the 1,000-cubic-mile Grand Canyon 11.2 times, while the previously known magma chamber would fill the Grand Canyon 2.5 times.
University of Utah, National Science Foundation, Brinson Foundation and William Carrico

Contact: Lee J. Siegel
University of Utah

Public Release: 23-Apr-2015
Brain tumor growth stimulated by nerve activity in the cortex, Stanford study finds
Deadly brain tumors called high-grade gliomas grow with the help of nerve activity in the cerebral cortex, according to a new study by researchers at the Stanford University School of Medicine.
NIH/National Institute of Neurological Disorders and Stroke, McKenna Claire Foundation, Matthew Larson Foundation, National Science Foundation, Godfrey Family Fund in Memory of Fiona Penelope, California Institute for Regenerative Medicine

Contact: Erin Digitale
Stanford University Medical Center

Public Release: 22-Apr-2015
UT Arlington nano-project seeks to uncover new materials, processes
A University of Texas at Arlington electrical engineering researcher will use a National Science Foundation grant to discover as-yet-unknown materials that will provide better imaging, compute faster or make communications more secure.
National Science Foundation

Contact: Herb Booth
University of Texas at Arlington

Public Release: 22-Apr-2015
Proceedings of the National Academy of Sciences
DNA of bacteria crucial to ecosystem defies explanation
The genome of an important bacteria contains far more 'junk DNA' than scientists expected -- making its genome more closely resemble that of a higher lifeform.
National Science Foundation

Contact: Robert Perkins
University of Southern California

Public Release: 22-Apr-2015
Nano Letters
Phonons, arise!
The creation of devices to control phonons -- elusive atomic vibrations that transport heat energy in solids at speeds up to the speed of sound -- has taken a step forward when researchers successfully altered the thermal conductivity of a widely used commercial material, using only a simple nine-volt battery.
Sandia's Laboratory Directed Research and Development office, Air Force Office of Scientific Research, National Science Foundation

Contact: Neal Singer
DOE/Sandia National Laboratories

Public Release: 22-Apr-2015
Social Cognitive and Affective Neuroscience
Study: This is your teen's brain behind the wheel
A new study of teenagers and their moms reveals how adolescent brains negotiate risk -- and the factors that modulate their risk-taking behind the wheel.
National Science Foundation, University of Illinois Department of Psychology

Contact: Diana Yates
University of Illinois at Urbana-Champaign

Public Release: 22-Apr-2015
Journal of Clinical Microbiology
UNH researchers discover new method to detect most common bacteria contaminating oysters
In a major breakthrough in shellfish management and disease prevention, researchers at the University of New Hampshire have discovered a new method to detect a bacterium that has contaminated New England oyster beds and sickened consumers who ate the contaminated shellfish. The new patent-pending detection method - which is available for immediate use to identify contaminated shellfish -- is a significant advance in efforts to identify shellfish harboring disease-carrying strains of Vibrio parahaemolyticus.
New Hampshire Agricultural Experiment Station, US Department of Agriculture, NH Sea Grant, National Oceanic and Atmospheric Administration, National Institutes of Health, National Science Foundation EPSCoR

Contact: Lori Wright
University of New Hampshire

Public Release: 22-Apr-2015
Nature Communications
Drexel materials scientists putting a new spin on computing memory
As computers continue to shrink -- moving from desks and laps to hands and wrists -- memory has to become smaller, stable and more energy conscious. A group of researchers from Drexel University's College of Engineering is trying to do just that with help from a new class of materials, whose magnetism can essentially be controlled by the flick of a switch.
National Science Foundation, Office of Naval Research

Contact: Britt Faulstick
Drexel University

Public Release: 22-Apr-2015
CWRU researcher awarded $500,000 NSF CAREER grant
A Case Western Reserve University researcher has won a $500,000 National Science Foundation grant to create tiny sensors capable of detecting insecticides in Lake Erie or determining subtypes of human cancers. The sensors are designed to detect multiple cancer markers or environmental hazards at the same time and with greater sensitivity than what's currently available. The results could be used for personalized medicine or to more quickly identify pollutants and begin subsequent clean-up efforts.
National Science Foundation

Contact: Kevin Mayhood
Case Western Reserve University

Public Release: 22-Apr-2015
Applied Physics Letters
Electron spin brings order to high entropy alloys
Researchers have discovered that electron spin brings a previously unknown degree of order to the high entropy alloy nickel iron chromium cobalt -- and may play a role in giving the alloy its desirable properties.
National Science Foundation, Air Force Office of Scientific Research

Contact: Matt Shipman
North Carolina State University

Public Release: 22-Apr-2015
Functional Ecology
Testosterone key to new bird bang theory
New research from a Wake Forest University biologist who studies animal behavior suggests that evolution is hard at work when it comes to the acrobatic courtship dances of a tropical bird species.
National Science Foundation, NIH/National Institutes of Health Training

Contact: Bonnie Davis
Wake Forest University

Public Release: 22-Apr-2015
To predict disease researchers ask if plant neighbors are relatives
Disease shapes plant communities and determines the outcomes of environmental change, weed invasions and agriculture and forestry management strategies. Whether or not a disease devastates a plant community depends on how related the plant species are and on how many individual plants of each species are present.
National Science Foundation, US Department of Agriculture

Contact: Beth King
202-633-4700 x28216
Smithsonian Tropical Research Institute

Public Release: 22-Apr-2015
Spread of pathogens between species is predictable, study finds
A study of disease dynamics in a California grassland has revealed fundamental principles underlying the spread of pathogens among species, with broad implications for the maintenance of biodiversity and for addressing practical problems related to plant diseases.
National Science Foundation, US Department of Agriculture

Contact: Tim Stephens
University of California - Santa Cruz

Public Release: 21-Apr-2015
Physical Review Letters
Caltech researchers create 'comb' that detects terahertz waves with extreme precision
Caltech chemists have created a device that generates and detects terahertz waves over a wide spectral range with extreme precision, allowing it to be used as an unparalleled tool for measuring terahertz waves.
National Science Foundation

Contact: Brian Bell
California Institute of Technology

Showing releases 426-450 out of 803.

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