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  News From the National Science Foundation
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Showing releases 776-800 out of 854.

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Public Release: 17-Jun-2014
Nature Communications
Strange physics turns off laser
Inspired by anomalies that arise in certain mathematical equations, researchers have demonstrated a laser system that paradoxically turns off when more power is added rather than becoming continuously brighter.
National Science Foundation, Defense Advanced Research Projects Agency, Vienna Science and Technology Fund, Austrian Science Fund

Contact: Steven Schultz
Princeton University, Engineering School

Public Release: 17-Jun-2014
Computers & Education
Surfing the Web in class? Bad idea
Even the smartest college students suffer academically when they use the Internet in class for non-academic purposes, finds new research by Michigan State University scholars.
National Science Foundation

Contact: Andy Henion
Michigan State University

Public Release: 16-Jun-2014
Flagship US Arctic research facility welcomes EU scientists
Two European Union scientists won an international competition to conduct research at the United States' flagship Arctic research facility in northern Alaska during the 2014 field season. The University of Alaska Fairbanks' Institute of Arctic Biology is welcoming the scientists at the Toolik Field Station in July and August. A third EU scientist will be going to the Barrow Environmental Observatory.
National Science Foundation

Contact: Marie Thoms
University of Alaska Fairbanks

Public Release: 16-Jun-2014
Proceedings of the National Academy of Sciences
Many bodies prompt stem cells to change
A new theory by scientists at Rice University shows a stem cell's journey to become bone, skin or other tissue is neither a simple step-by-step process nor all random.
National Science Foundation, Center for Theoretical Biological Physics

Contact: David Ruth
Rice University

Public Release: 16-Jun-2014
Urban Forestry and Urban Greening
Controlling ragweed pollen in Detroit: A no-mow solution for Motown?
When it comes to controlling hay fever-triggering ragweed plants on Detroit vacant lots, occasional mowing is worse than no mowing at all, and promoting reforestation might be the best solution.
Matthaei Botanical Garden, National Science Foundation

Contact: Jim Erickson
University of Michigan

Public Release: 16-Jun-2014
Nature Communications
Researchers use virus to reveal nanopore physics
Nanopores could provide a new way to sequence DNA quickly, but the physics involved isn't well understood. That's partly because of the complexities involved in studying the random, squiggly form DNA takes in solution. Researchers from Brown have simplified matters by using a stiff, rod-like virus instead of DNA to experiment with nanopores. Their research has uncovered previously unknown dynamics in polymer-nanopore interactions.
National Science Foundation

Contact: Kevin Stacey
Brown University

Public Release: 16-Jun-2014
Migratory birds help spread plant species across hemispheres
A new study out of the University of Connecticut demonstrates for the first time how some plants travel not just across the backyard, but as far as from Northern to Southern hemispheres on the wings of migratory birds.
National Science Foundation

Contact: Colin Poitras
University of Connecticut

Public Release: 16-Jun-2014
Nature Materials
Tugging on the 'malignant' switch
A team of Harvard researchers have identified a possible mechanism by which normal cells turn malignant in mammary epithelial tissues, the tissues frequently involved in breast cancer.
National Institutes of Health, National Science Foundation, Natural Sciences and Engineering Research Council of Canada, Howard Hughes Medical Institute, and others

Contact: Caroline Perry
Harvard University

Public Release: 16-Jun-2014
Automating laboratory-on-a-chip to cut health-care costs
A research team at the University of California, Riverside has created a computer programming language that will automate 'laboratory-on-a-chip' technologies used in DNA sequencing, drug discovery, virus detection and other biomedical applications.
National Science Foundation

Contact: Sean Nealon
University of California - Riverside

Public Release: 16-Jun-2014
Systematic Biology
UMD-led public computational biology web service gains popularity gives anyone with a computer terminal access to a worldwide grid for computational biology. The grid offers a service called GARLI, which reconstructs and predicts the genetic relationships between biological samples. To date, over 17,000 volunteers from 146 countries have run computational biology analyses on their computers. Researchers have used the grid system to simulate pandemic flu risk and trace the lineage of ancient moth species and have published 61 papers detailing their findings.
National Science Foundation

Contact: Abby Robinson
University of Maryland

Public Release: 16-Jun-2014
Proceedings of the National Academy of Sciences
Quantum theory reveals puzzling pattern in how people respond to some surveys
Researchers used quantum theory -- usually invoked to describe the actions of subatomic particles -- to identify an unexpected and strange pattern in how people respond to survey questions.
National Science Foundation, Air Force Office of Scientific Research

Contact: Zheng Wang
Ohio State University

Public Release: 16-Jun-2014
Proceedings of the National Academy of Sciences
When genes play games
UC Berkeley computer theorists have identified an algorithm to describe the strategy used by genes during sexual recombination. In doing so, they address the dueling evolutionary forces of survival of the fittest and of diversity.
National Science Foundation

Contact: Sarah Yang
University of California - Berkeley

Public Release: 16-Jun-2014
Applied Physics Letters
A faster path to optical circuits
Scientists at EPFL develop a fast and effective method for optimizing photonic crystal nanocavities. The method has led to the design of new-generation structures that may advance the future of optical circuits.
National Science Foundation, Swiss National Science Foundation

Contact: Nik Papageorgiou
Ecole Polytechnique Fédérale de Lausanne

Public Release: 16-Jun-2014
Proceedings of the National Academy of Sciences
Caterpillars that eat multiple plant species are more susceptible to hungry birds
UC Irvine and Wesleyan University biologists have learned that caterpillars that feed on one or two plant species are better able to hide from predatory birds than caterpillars that consume a wide variety of plants.
National Science Foundation

Contact: Tom Vasich
University of California - Irvine

Public Release: 15-Jun-2014
Nature Geoscience
Melting and refreezing of deep Greenland ice speeds flow to sea, study says
In a new study in Nature Geoscience, researchers find evidence of widespread refreezing of ice at the bottom of the Greenland Ice Sheet; some of these features coincide with faster flows.
National Science Foundation, NASA

Contact: Kim Martineau
The Earth Institute at Columbia University

Public Release: 12-Jun-2014
Environmental Science & Technology
Scientists identify Deepwater Horizon Oil on shore even years later, after most has degraded
Years after the 2010 Deepwater Horizon Oil spill, oil continues to wash ashore as oil-soaked 'sand patties,' persists in salt marshes abutting the Gulf of Mexico, and questions remain about how much oil has been deposited on the seafloor. Scientists from Woods Hole Oceanographic Institution and Bigelow Laboratory for Ocean Sciences have developed a unique way to fingerprint oil, and have successfully identified Macondo Well oil, even after most of it has degraded.
National Science Foundation, GoMRI-015, Deep-C Consortium

Contact: Darlene Crist
Bigelow Laboratory for Ocean Sciences

Public Release: 12-Jun-2014
Scientists discover link between climate change and ocean currents over 6 million years
Scientists have discovered a relationship between climate change and ocean currents over the past six million years after analysing an area of the Atlantic near the Strait of Gibraltar, according to research published today in the journal Science.
National Science Foundation

Contact: Paul Teed
Royal Holloway, University of London

Public Release: 12-Jun-2014
New evidence for oceans of water deep in the Earth
Northwestern University and University of New Mexico researchers report evidence for potentially oceans worth of water deep beneath the United States. Though not in the familiar liquid form -- the ingredients for water are bound up in rock deep in the Earth's mantle -- the discovery may represent the planet's largest water reservoir. The researchers have found deep pockets of magma located about 400 miles beneath North America, a likely signature of the presence of water at these depths.
National Science Foundation, David and Lucile Packard Foundation

Contact: Megan Fellman
Northwestern University

Public Release: 12-Jun-2014
Scientific Reports
Climate change winners and losers
A group of scientists have traced the genetics of modern penguin populations back to their early ancestors from the last Ice Age to better understand how three Antarctic penguin species -- gentoo, Adelie, and chinstrap penguins -- fared in response to past climate change.
Zoological Society of London, National Science Foundation, Quark Expeditions

Contact: WHOI Media Office
Woods Hole Oceanographic Institution

Public Release: 11-Jun-2014
Weather app puts kids in the pilot seat
Students at the University of Oklahoma's College of Engineering wanted to remove the mystery around weather forecasting by speaking to kids in a language they could better understand -- gaming. Collaborating with the School of Meteorology, OU students created an app that teaches kids about weather patterns by putting them in the pilot seat to navigate a plane during weather events.
National Science Foundation

Contact: Karen Kelly
University of Oklahoma

Public Release: 11-Jun-2014
Journal of Immunology
Infant immune systems learn fast, but have short memories
Forgetful immune systems leave infants particularly prone to infections, according to a new Cornell University study. Upending the common theory that weak immune cells are to blame, the study has found that infants' immune systems actually respond to infection with more speed and strength than adults, but the immunities they create fail to last.
National Institutes of Health, National Science Foundation

Contact: Melissa Osgood
Cornell University

Public Release: 11-Jun-2014
The Plant Cell
Findings may advance iron-rich, cadmium-free crops
With news reports of toxic, cadmium-tainted rice in China, a new study describes a protein that transports metals in certain plants and holds promise for developing iron-rich but cadmium-free crops.
National Science Foundation

Contact: Melissa Osgood
Cornell University

Public Release: 11-Jun-2014
NSF funds effort to market UT Arlington arsenic analyzer
National Science Foundation funding will help two University of Texas at Arlington faculty members work with a Texas company to market a more environmentally friendly field analyzer for arsenic in water. Millions worldwide, especially in developing countries, are at risk for chronic exposure to arsenic in drinking water.
National Science Foundation

Contact: Traci Peterson
University of Texas at Arlington

Public Release: 11-Jun-2014
MU researcher receives $330,000 NSF grant to study African languages
In rural western Kenya, the oral traditions of several distinct varieties of Luyia, a cluster of Bantu languages of Kenya and Uganda, remain largely unstudied. With increasing pressure from the more widespread languages of Swahili and English, there are potential threats to the longevity of these languages. Now, researchers at the University of Missouri have received a four-year $330,000 National Science Foundation grant to investigate these under-studied languages and document their linguistic properties.
National Science Foundation

Contact: Jeff Sossamon
University of Missouri-Columbia

Public Release: 11-Jun-2014
Journal of Experimental Biology
Going inside an ant raft
Georgia Tech researchers froze ant rafts and scanned them with a miniature CT scan machine to look at the strongest part of the structure -- the inside -- to discover how opaque ants connect, arrange and orient themselves with each other.
National Science Foundation, US Army Research Office

Contact: Jason Maderer
Georgia Institute of Technology

Showing releases 776-800 out of 854.

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