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  News From the National Science Foundation
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Showing releases 526-550 out of 750.

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Public Release: 25-Mar-2014
Journal of Neuroscience
EEG study shows how brain infers structure, rules when learning
A new study documents the brain activity underlying our strong tendency to infer a structure of context and rules when learning new tasks (even when a structure isn't valid). The findings, which revealed individual differences, shows how we try to apply task knowledge to similar situations and could inform future research on learning disabilities.
National Institutes of Health, National Science Foundation

Contact: David Orenstein
Brown University

Public Release: 24-Mar-2014
Scientific Reports
New technique sheds light on human neural networks
A new technique, developed by researchers in the Quantitative Light Imaging Laboratory at the Beckman Institute at the University of Illinois, provides a method to noninvasively measure human neural networks in order to characterize how they form.
National Science Foundation

Contact: Maeve Reilly
Beckman Institute for Advanced Science and Technology

Public Release: 24-Mar-2014
Computer models solve geologic riddle millions of years in the making
3-D computer simulations show how continental plates collide and create arc-shaped mountain belts.
Australian Research Council, National Science Foundation CAREER Award

Contact: Robert Perkins
University of Southern California

Public Release: 24-Mar-2014
Nanomaterials and Nanotechnology
Researchers grow carbon nanofibers using ambient air, without toxic ammonia
Materials science researchers have demonstrated that vertically aligned carbon nanofibers can be manufactured using ambient air, making the manufacturing process safer and less expensive. Vertically aligned carbon nanofibers hold promise for use in gene-delivery tools, sensors, batteries and other technologies.
National Science Foundation

Contact: Matt Shipman
North Carolina State University

Public Release: 24-Mar-2014
Mice give ticks a free lunch
Mice are effective at transferring disease-causing pathogens to feeding ticks. And, according to an in-press paper in the journal Ecology, these 'super hosts' appear indifferent to larval tick infestations.
National Science Foundation

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

Public Release: 24-Mar-2014
Proceedings of the National Academy of Sciences
Scientists find a molecular clue to the complex mystery of auxin signaling in plants
Plants fine-tune the response of their cells to the potent plant hormone auxin by means of large families of proteins that either step on the gas or put on the brake in auxin's presence. Scientists at Washington University have learned that one of these proteins, a transcription factor, has an interaction region that, like a button magne, has a positive and negative face. Because of this domain, the protein can bind two other proteins or even chains of proteins arranged back to front.
National Science Foundation, National Institutes of Health

Contact: Diana Lutz
Washington University in St. Louis

Public Release: 24-Mar-2014
Proceedings of the National Academy of Sciences
Researchers see Kelvin wave on quantum 'tornado' for first time
A spinning tornado of very cold liquid helium obeys the laws of quantum mechanics. Sometimes, two quantum tornadoes flex into curved lines, cross over and form an X, swap ends, and then retract -- a process called reconnection. For the first time, researchers provide visual evidence that the reconnection of quantum vortexes launches Kelvin waves to quickly relax the system. Understanding turbulence in quantum fluids may offer clues to neutron stars, trapped atom systems and superconductors.
National Science Foundation

Contact: Abby Robinson
University of Maryland

Public Release: 24-Mar-2014
Proceedings of the National Academy of Sciences
Ancient Indonesian climate shift linked to glacial cycle
Brown University researchers have compiled a detailed climate record for central Indonesia over the last 60,000 years. They find that prolonged dry spell in the region thousands of years ago correlates with the peak of the last ice age in the northern hemisphere. The data will help scientists understand the climate history of a region that wields a strong influence on global climate as a whole.
National Science Foundation

Contact: Kevin Stacey
Brown University

Public Release: 23-Mar-2014
Nature Chemical Biology
Shifting evolution into reverse promises cheaper, greener way to make new drugs
A proof-of-concept experiment has shown that, by shifting evolution into reverse, it may be possible to use 'green chemistry' to make a number of costly synthetic drugs as easily and cheaply as brewing beer.
National Science Foundation, National Institutes of Health, US Department of Energy

Contact: David Salisbury
Vanderbilt University

Public Release: 23-Mar-2014
Nature Materials
MIT engineers design 'living materials'
Hybrid materials combine bacterial cells with nonliving elements that can conduct electricity or emit light.
Office of Naval Research, US Army Research Office, National Science Foundation, Hertz Foundation, US Department of Defense, National Institutes of Health, Presidential Early Career Awrd for Scientists & Engineers

Contact: Sarah McDonnell
Massachusetts Institute of Technology

Public Release: 23-Mar-2014
Nature Nanotechnology
Could diamonds be a computer's best friend?
For the first time, physicists have demonstrated that information can flow through a diamond wire.
US Army Research Office, National Science Foundation

Contact: Pam Frost Gorder
Ohio State University

Public Release: 21-Mar-2014
Permafrost thaw: No upside
A new study published in the journal Ecology by Woods Hole Research Center assistant scientist, Susan Natali, finds that growing season gains do not offset carbon emissions from permafrost thaw.
Bonanza Creek LTER, National Science Foundation, US Department of Energy

Contact: Eunice Youmans
Woods Hole Research Center

Public Release: 21-Mar-2014
Nature Physics
Pushing and pulling: Using strain to tune a new quantum material
New research has revealed a method of controlling the surface electronic state of topological insulators -- an important step in realizing the material's potential use in energy efficient devices.
National Science Foundation

Contact: Lian Li
University of Wisconsin - Milwaukee

Public Release: 21-Mar-2014
New Zealand Japan Workshop on Soil Liquefaction during Recent Large-Scale Earthquakes
Ground-improvement methods might protect against earthquakes
Researchers from the University of Texas at Austin's Cockrell School of Engineering are developing ground-improvement methods to help increase the resilience of homes and low-rise structures built on top of soils prone to liquefaction during strong earthquakes.
National Science Foundation

Contact: Emil Venere
Purdue University

Public Release: 21-Mar-2014
Dust in the wind drove iron fertilization during ice age
A study published in Science by researchers at Princeton University and ETH Zurich confirms a longstanding hypothesis that wind-borne dust carried iron to the region of the globe north of Antarctica, driving plankton growth and eventually leading to the removal of carbon dioxide from the atmosphere.
National Science Foundation

Contact: Catherine Zandonella
Princeton University

Public Release: 20-Mar-2014
Physical Review Letters
Oregon physicists use geometry to understand 'jamming' process
University of Oregon physicists using a supercomputer and mathematically rich formulas have captured fundamental insights about what happens when objects moving freely jam to a standstill.
National Science Foundation

Contact: Jim Barlow
University of Oregon

Public Release: 20-Mar-2014
Proceedings of the National Academy of Sciences
Plankton make scents for seabirds and a cooler planet
The top predators of the Southern Ocean, far-ranging seabirds, are tied both to the health of the ocean ecosystem and to global climate regulation through a mutual relationship with phytoplankton, according to newly published work from UC Davis.
National Science Foundation

Contact: Andy Fell
University of California - Davis

Public Release: 20-Mar-2014
Behavioral Ecology and Sociobiology
Size, personality matter in how Kalahari social spiders perform tasks
At first glance, colonies of thousands of social spiders all look the same and are busy with the same tasks. Not so, say researchers Carl Keiser and Devin Jones, after carefully studying various gatherings of a social spiders of the Kalahari Desert in South Africa. The size and condition of a particular spider's body indicates which task it generally performs within a colony. The study is published in Springer's journal Behavioral Ecology and Sociobiology.
University of Pittsburgh, National Science Foundation

Contact: Joan Robinson

Public Release: 20-Mar-2014
Nature Physics
Research brings new control over topological insulator
An international team of scientists investigating the electronic properties of ultra-thin films of new materials -- topological insulators -- has demonstrated a new method to tune their unique properties using strain.
National Science Foundation, Royal Society

Contact: Caron Lett
University of York

Public Release: 20-Mar-2014
17th ACM Conference on Computer Supported Cooperative Work and Social Computing
Parents should try to find middle ground to keep teens safe online
Parents might take a lesson from Goldilocks and find a balanced approach to guide their teens in making moral, safe online decisions, according to Penn State researchers.
National Science Foundation

Contact: Matthew Swayne
Penn State

Public Release: 20-Mar-2014
PLOS Genetics
3-D model links facial features and DNA
DNA can already tell us the sex and ancestry of unknown individuals, but now an international team of researchers is beginning to connect genetics with facial features, degrees of femininity and racial admixture.
National Science Foundation, National Institute of Justice, National Institutes of Health

Contact: A'ndrea Elyse Messer
Penn State

Public Release: 19-Mar-2014
Oldest fossil evidence of modern African venomous snakes found in Tanzania
Ohio University scientists have found the oldest definitive fossil evidence of modern, venomous snakes in Africa, according to a new study published March 19 in the journal PLOS ONE.
National Science Foundation, National Geographic Society, Leakey Foundation

Contact: Andrea Gibson
Ohio University

Public Release: 19-Mar-2014
Students to hack hardware, software and data to build security skills
Students at Case Western Reserve University and Cleveland State University will begin hacking computers -- for credit -- this fall. The universities are offering undergraduates a series of three classes that focus on hacking and learning to protect hardware, software and data from cyber attacks. The classes were developed and will be supported with help of a NSF grant.
National Science Foundation

Contact: Kevin Mayhood
Case Western Reserve University

Public Release: 19-Mar-2014
Proceedings of the National Academy of Sciences
Study finds forest corridors help plants disperse their seeds
A forest, a supercomputer and some glow-in-the-dark yarn have helped a team of field ecologists conclude that woodland corridors connecting patches of endangered plants not only increase seed dispersal from one patch to another, but also create wind conditions that can spread the seeds for much longer distances. Gil Bohrer, Ph.D., an environmental engineer at Ohio State University, leveraged Ohio Supercomputer Center systems to simulate a forest and the winds that flow through it.
National Science Foundation, others

Contact: Jamie Abel
Ohio Supercomputer Center

Public Release: 19-Mar-2014
New technique makes LEDs brighter, more resilient
Researchers have developed a new processing technique that makes light emitting diodes brighter and more resilient by coating the semiconductor material gallium nitride with a layer of phosphorus-derived acid.
National Science Foundation

Contact: Matt Shipman
North Carolina State University

Showing releases 526-550 out of 750.

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