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  News From the National Science Foundation
The National Science Foundation (NSF) — For more information about NSF and its programs, visit www.nsf.gov

NSF Funded News

Key: Meeting M      Journal J      Funder F

Showing releases 401-425 out of 752.

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Public Release: 18-Apr-2014
Nature Nanotechnology
'Exotic' material is like a switch when super thin
Researchers from Cornell University and Brookhaven National Laboratory have shown how to switch a particular transition metal oxide, a lanthanum nickelate, from a metal to an insulator by making the material less than a nanometer thick.
National Science Foundation, US Department of Energy, Office of Naval Research

Contact: Syl Kacapyr
vpk6@cornell.edu
607-255-7701
Cornell University

Public Release: 17-Apr-2014
Proceedings of the National Academy of Sciences
Chickens to chili peppers
Suddenly there was a word for chili peppers. Information about archaeological remains of ancient chili peppers in Mexico along with a study of the appearance of words for chili peppers in ancient dialects helped researchers to understand where jalapenos were domesticated. Special issue of PNAS on plant and animal domestication.
National Science Foundation

Contact: Beth King
kingb@si.edu
202-633-4700 x28216
Smithsonian Tropical Research Institute

Public Release: 17-Apr-2014
American Journal of Public Health
Study recalculates costs of combination vaccines
One of the most popular vaccine brands for children may not be the most cost-effective choice. And doctors may be overlooking some cost factors when choosing vaccines, driving the market toward what is actually a more expensive option, according to a new study by University of Illinois researchers.
National Science Foundation

Contact: Liz Ahlberg
eahlberg@illinois.edu
217-244-1073
University of Illinois at Urbana-Champaign

Public Release: 17-Apr-2014
Advanced Materials
Better thermal-imaging lens from waste sulfur
A new chemical process can transform waste sulfur into lightweight plastic lenses that have a high refractive index and are transparent to mid-range infrared light. The lenses may have applications in thermal imaging devices. Other potential applications for the new plastic include sulfur-lithium batteries.
American Chemical Society Petroleum Research Foundation, National Science Foundation, National Research Foundation of Korea, Korean Ministry of Education, Science and Technology, State of Arizona TRIF Funding, US Air Force Office of Scientific Research

Contact: Mari N. Jensen
mnjensen@email.arizona.edu
520-626-9635
University of Arizona

Public Release: 17-Apr-2014
Proceedings of the National Academy of Sciences
Drought and fire in the Amazon lead to sharp increases in forest tree mortality
Ongoing deforestation and fragmentation of forests in the Amazon help create tinderbox conditions for wildfires in remnant forests, contributing to rapid and widespread forest loss during drought years, according to a team of researchers.
National Science Foundation, NASA, Packard Foundation, Max Planck Institute of Biogeochemistry

Contact: A'ndrea Elyse Messer
aem1@psu.edu
814-865-9481
Penn State

Public Release: 17-Apr-2014
PLOS ONE
East African honeybees are safe from invasive pests… for now
Several parasites and pathogens that devastate honeybees in Europe, Asia and the United States are spreading across East Africa, but do not appear to be impacting native honeybee populations at this time, according to an international team of researchers.
US Department of Agriculture, National Science Foundation

Contact: A'ndrea Elyse Messer
aem1@psu.edu
814-865-9481
Penn State

Public Release: 17-Apr-2014
Proceedings of the National Academy of Sciences
The story of animal domestication retold
A review of recent research on the domestication of large herbivores for 'The Modern View of Domestication,' a special feature of PNAS, suggests that neither intentional breeding nor genetic isolation were as significant as traditionally thought.
National Science Foundation

Contact: Diana Lutz
dlutz@wustl.edu
314-935-5272
Washington University in St. Louis

Public Release: 17-Apr-2014
Proceedings of the National Academy of Sciences
Genetic study tackles mystery of slow plant domestications
Did domesticating a plant typically take a few hundred or many thousands of years? Genetic studies often indicate that domestication traits have a fairly simple genetic basis, which should facilitate their rapid evolution under selection. On the other hand, recent archeological studies of crop domestication have suggested a relatively slow spread and fixation of domestication traits. An article in 'The Modern View of Domestication,' a special issue of PNAS, tries to resolve the discrepancy.
National Science Foundation

Contact: Diana Lutz
dlutz@wustl.edu
314-935-5272
Washington University in St. Louis

Public Release: 17-Apr-2014
Science
Science: There's something ancient in the icebox
Scientists were greatly surprised to discover an ancient tundra landscape preserved under the Greenland Ice Sheet, below two miles of ice. This finding, led by geologists at the University of Vermont, provides strong evidence that the ice sheet has persisted much longer than previously known, enduring through many past periods of global warming.
National Science Foundation

Contact: Joshua Brown
joshua.e.brown@uvm.edu
802-656-3039
University of Vermont

Public Release: 16-Apr-2014
Proceedings of the National Academy of Sciences
Stanford biologists help solve fungal mysteries
A new genetic analysis revealing the previously unknown biodiversity and distribution of thousands of fungi in North America might also reveal a previously underappreciated contributor to climate change.
National Science Foundation

Contact: Bjorn Carey, Stanford News Service
bccarey@stanford.edu
650-725-1944
Stanford University

Public Release: 16-Apr-2014
Geology
Dartmouth-led study shows air temperature influenced African glacial movements
Changes in air temperature, not precipitation, drove the expansion and contraction of glaciers in Africa's Rwenzori Mountains at the height of the last ice age, according to a Dartmouth-led study funded by the National Geographic Society and the National Science Foundation.
National Geographic Society, National Science Foundation

Contact: John Cramer
John.Cramer@Dartmouth.edu
603-646-9130
Dartmouth College

Public Release: 16-Apr-2014
Nature
Progress in the fight against quantum dissipation
Scientists at Yale have confirmed a 50-year-old, previously untested theoretical prediction in physics and improved the energy storage time of a quantum switch by several orders of magnitude. They report their results in the April 17 issue of the journal Nature.
National Science Foundation, Department of Energy, Intelligence Advanced Research Projects Activity, European Union, Yale

Contact: Eric Gershon
eric.gershon@yale.edu
203-432-8555
Yale University

Public Release: 16-Apr-2014
Nature Communications
Scientists achieve first direct observations of excitons in motion
Technique developed at MIT reveals the motion of energy-carrying quasiparticles in solid material.
US Department of Energy, National Science Foundation

Contact: Abby Abazorius
abbya@mit.edu
617-253-2709
Massachusetts Institute of Technology

Public Release: 16-Apr-2014
Nature Communications
Warm US West, cold East: A 4,000-year pattern
Last winter's curvy jet stream pattern brought mild temperatures to western North America and harsh cold to the East. A University of Utah-led study shows that pattern became more pronounced 4,000 years ago, and suggests it may worsen as Earth's climate warms.
National Science Foundation, National Natural Science Foundation of China, Japan Society for the Promotion of Science, and others

Contact: Lee J. Siegel
lee.siegel@utah.edu
801-244-5399
University of Utah

Public Release: 15-Apr-2014
eLife
Drought hormones measured
Floods and droughts are increasingly in the news, and climate experts say their frequency will only go up in the future. As such, it is crucial for scientists to learn more about how these extreme events affect plants in order to prepare for and combat the risks to food security that could result. New work from Carnegie could help bring about breakthrough findings on that front.
National Science Foundation

Contact: Wolf Frommer
wfrommer@carnegiescience.edu
650-325-1521 x208
Carnegie Institution

Public Release: 15-Apr-2014
eLife
Biologists develop nanosensors to visualize movements and distribution of plant hormone
Biologists at UC San Diego have succeeded in visualizing the movement within plants of a key hormone responsible for growth and resistance to drought. The achievement will allow researchers to conduct further studies to determine how the hormone helps plants respond to drought and other environmental stresses driven by the continuing increase in the atmosphere's carbon dioxide, or CO2, concentration.
National Institutes of Health, National Science Foundation, Department of Energy

Contact: Kim McDonald
kmcdonald@ucsd.edu
858-534-7572
University of California - San Diego

Public Release: 15-Apr-2014
Race and Justice
More should be done for female parolees
As the female prison population grows, a new study funded partly by the National Science Foundation says more should be done to help women probationers and parolees in poor urban areas remain crime-free.
National Science Foundation

Contact: Andy Henion
henion@msu.edu
517-355-3294
Michigan State University

Public Release: 15-Apr-2014
International Symposium on Nanoscience and Nanomaterials
Engineers develop new materials for hydrogen storage
Engineers at the University of California, San Diego, have created new ceramic materials that could be used to store hydrogen safely and efficiently. The researchers have created for the first time compounds made from mixtures of calcium hexaboride, strontium and barium hexaboride. They also have demonstrated that the compounds could be manufactured using a simple, low-cost manufacturing method known as combustion synthesis.
National Science Foundation

Contact: Ioana Patringenaru
ipatrin@ucsd.edu
858-822-0899
University of California - San Diego

Public Release: 15-Apr-2014
Journal of Research in Personality
Outgoing behavior makes for happier humans
Happy is as happy does, apparently -- for human beings all over the world. Not only does acting extroverted lead to more positive feelings across several cultures, but people also report more upbeat behavior when they feel free to be themselves.
National Science Foundation

Contact: Timothy Church
church@wsu.edu
509-335-0927
Washington State University

Public Release: 15-Apr-2014
Proceedings of the Royal Society B
Lemurs match scent of a friend to sound of her voice
Princeton and Duke scientists report that ring-tailed lemurs respond more strongly to the scents and sounds of female lemurs when the scent they smell and the voice they hear belong to the same female -- even when she's nowhere in sight. Linking a particular female's call with her unique aroma gives the lemurs a way to figure out if she is nearby, since the scents tend to linger.
National Science Foundation, Princeton University

Contact: Robin Ann Smith
ras10@duke.edu
919-668-4544
Duke University

Public Release: 14-Apr-2014
Journal of American Chemical Society
Penicillin redux: Rearming proven warriors for the 21st century
Drug-resistant bacteria like MRSA are hard to treat because so many antibiotics are ineffective against them. The University of South Carolina's Chuanbing Tang leads a team that has shown a new way to reclaim the power of penicillin and similar drugs against so-called 'superbugs.'
National Science Foundation

Contact: Steven Powell
803-777-1923
University of South Carolina

Public Release: 14-Apr-2014
Astrophysical Journal
Cosmic slurp
A 'tidal disruption' occurs when a star orbits too close to a black hole and gets usurped. Researchers at the Georgia Institute of Technology are using NSF XSEDE supercomputers Stampede and Kraken to simulate tidal disruptions to better understand the dynamics of the process. Doing so will help astronomers find many more possible candidates of tidal disruptions in sky surveys and reveal details of how stars and black holes interact.
National Science Foundation

Contact: Faith Singer
faith@tacc.utexas.edu
512-232-5771
University of Texas at Austin, Texas Advanced Computing Center

Public Release: 14-Apr-2014
National Science Review
Piezotronics and piezo-phototronics leading to unprecedented active electronics and optoelectronics
Strain-induced polarization charges in piezoelectric semiconductors can effectively modulate the electronic and optoelectronic processes of charge carriers at the metal-semiconductor interface and p-n junction, which has resulted in both novel fundamental phenomenon and unprecedented device applications. The increasing research interests in the emerging field of piezotronics and piezo-phototronics has opened up opportunities for implementing novel applications such as adaptive human-electronics interfacing, active flexible/stretchable electronics, sensing, energy harvesting, biomedical treatments and optical MEMS.
National Science Foundation, Defense Advanced Research Projects Agency, National Institute of Health

Contact: Zhong Lin Wang
zhong.wang@mse.gatech.edu
Science China Press

Public Release: 14-Apr-2014
Geophysical Research Letters
Puget Sound's rich waters supplied by deep, turbulent canyon
UW oceanographers made the first detailed measurements of fast-flowing water and intense mixing in a submarine canyon just off the Washington coast.
National Science Foundation, Office of Naval Research

Contact: Hannah Hickey
hickeyh@uw.edu
206-543-2580
University of Washington

Public Release: 14-Apr-2014
Applied Physics Letters
Device turns flat surface into spherical antenna
By depositing an array of tiny, metallic, U-shaped structures onto a dielectric material, a team of researchers in China has created a new artificial surface that can bend and focus electromagnetic waves the same way an antenna does.
National Science Foundation of China, 111 Project, National High Tech Projects

Contact: Jason Socrates Bardi
jbardi@aip.org
240-535-4954
American Institute of Physics

Showing releases 401-425 out of 752.

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