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Back to EurekAlert! A Service of the American Association for the Advancement of Science
  News From the National Science Foundation
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Showing releases 701-725 out of 918.

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Public Release: 16-Jul-2015
Science Bulletin
New catalyst for selective oxidation of methanol to dimethoxymethane under mild conditions
The selective oxidation of methanol under mild conditions is demonstrated as an alternative synthetic pathway for dimethoxymethane (DMM), where V2O5/TiO2-Al2O3 with binary oxide supports (TiO2-Al2O3) is proposed as the catalyst. The excellent catalytic performance is attributed to an increased amount of V4+ species and improved electron transfer between the support and V2O5. The incorporation of titanium cation into the alumina structure could also help produce an appropriate amount of acidic sites, increasing the DMM selectivity.
The National Science Foundation of China, Program for New Century Excellent Talents in University, Specialized Research Fund for the Doctoral Program of Higher Education

Contact: Gong Jinlong
Science China Press

Public Release: 16-Jul-2015
Scientific Reports
Carbon dioxide pools discovered in Aegean Sea
The location of the second largest volcanic eruption in human history, the waters off Greece's Santorini are the site of newly discovered opalescent pools forming at 250 meters depth. The interconnected series of meandering, iridescent white pools contain high concentrations of carbon dioxide and may hold answers to questions related to deep-sea carbon storage as well as provide a means of monitoring the volcano for future eruptions.
EU Eurofleets Program, Institut de Physique du Globe de Paris, Hellenic Centre for Marine Research, National Science Foundation, NASA's Astrobiology Program

Contact: WHOI Media Office
Woods Hole Oceanographic Institution

Public Release: 16-Jul-2015
Neuroscientists decipher brain's noisy code
By comparing and analyzing the signals of individual neurons in animals undergoing behavioral tests, neuroscientists at Rice University, Baylor College of Medicine, the University of Geneva and University of Rochester have deciphered the code that the brain uses to make the most of its inherently 'noisy' neuronal circuits.
National Institutes of Health, McNair Foundation, McDonnell Foundation, Swiss National Science Foundation

Contact: Jade Boyd
Rice University

Public Release: 16-Jul-2015
Weyl points: Wanted for 86 years
Weyl points, the 3-D analogues of the structures that make graphene exceptional, were theoretically predicted in 1929. Today, an international team of Physicists from MIT and Zhejiang University, found them in photonic crystals, opening a new dimension in photonics.
US Army Research Office, US Department of Energy Division of Materials Science and Engineering, National Science Foundation, Massachusetts Institute of Technology Solid State Thermal Energy Conversion Energy Frontier Research Center

Contact: Dr. Ling Lu
Massachusetts Institute of Technology, Institute for Soldier Nanotechnologies

Public Release: 16-Jul-2015
Nature Communications
Observing brain network dynamics to diagnose Alzheimer's disease
By analyzing blood flow in the brain, a team of researchers was able to observe the interactions between different regions in the brain in real time. Their new imaging technique could help with the early detection of Alzheimer's disease.
Swiss National Science Foundation, Bertarelli Foundation

Contact: Laure-Anne Pessina
Ecole Polytechnique Fédérale de Lausanne

Public Release: 16-Jul-2015
Cerebral Cortex
Bilinguals of 2 spoken languages have more gray matter than monolinguals
A new study suggests people who speak two languages have more gray matter in the executive control region of the brain.
NIH/Eunice Kennedy Shriver National Institute of Child Health and Human Development, NIH/National Institute on Deafness and Other Communication Disorders, National Science Foundation

Contact: Karen Teber
Georgetown University Medical Center

Public Release: 16-Jul-2015
Scientific Reports
Feathered cousin of 'Jurassic Park' star unearthed in China
A newly identified species of feathered dinosaur is the largest ever discovered to have a well-preserved set of bird-like wings, research suggests.
Natural Science Foundation of China, European Commission, National Science Foundation

Contact: Corin Campbell
University of Edinburgh

Public Release: 16-Jul-2015
Polar bears experience limited energy savings in summer, new study finds
Some earlier research suggested that polar bears could, at least partially, compensate for longer summer food deprivation by entering a state of lowered activity and reduced metabolic rate similar to winter hibernation -- a so-called 'walking hibernation.' But new research shows that the summer activity and body temperature of bears on shore and on ice were typical of fasting, non-hibernating mammals, with little indication of 'walking hibernation.'
National Science Foundation, US Geological Survey, US Fish and Wildlife Service, Wyoming NASA Space Grant, University of Wyoming, US Environmental Protection Agency

Contact: Merav Ben-David
University of Wyoming

Public Release: 15-Jul-2015
A lion tale: Humans cause most mountain lion deaths in Southern California
A 13-year study combined genetic and demographic data to determine that even though hunting mountain lions is prohibited in California, humans caused more than half the known deaths of mountain lions studied.
California State Department of Parks and Recreation, California Department of Fish and Wildlife, Nature Conservancy, McBeth Foundation, Anza Borrego Foundation, Nature Reserve of Orange County, National Science Foundation, and others

Contact: Winston Vickers
University of California - Davis

Public Release: 15-Jul-2015
Michael Horn receives prestigious honor for young faculty
Northwestern University's Michael S. Horn, a scientist who studies how people learn from new technologies and designs innovative learning experiences, has received a prestigious Faculty Early Career Development (CAREER) Award from the National Science Foundation. Horn will design and study new computational literacy experiences for young people in museums, homes and out-of-school programs. A goal of his CAREER project, titled 'Blocks, Stickers and Puzzles: Rethinking Computational Literacy Experiences in Informal Environments,' is to increase diversity in postsecondary computer science programs.
National Science Foundation

Contact: Megan Fellman
Northwestern University

Public Release: 15-Jul-2015
Applied Materials and Interfaces
'White graphene' structures can take the heat
Three-dimensional structures of boron nitride sheets and nanotubes may offer a way to keep small electronic devices cool, according to scientists at Rice University.
National Science Foundation

Contact: David Ruth
Rice University

Public Release: 15-Jul-2015
Nature Communications
Boosting nutrients gives a leg up to invasive species
Species invasions come at a high cost. In the United States, the annual cost to the economy tops $100 billion a year and invasive plant infestations affect 100 million acres. Basic questions remain about how and whether exotic species arefunctionally distinct from native species and why they tend to take over when introduced into new environments. A new study, led by University of Minnesota researcher Eric Seabloom, addresses that gap, drawing on data collected at 64 grassland sites in 13 countries.
National Science Foundation, University of Minnesota's Institute on the Environment

Contact: Lacey Nygard
University of Minnesota

Public Release: 14-Jul-2015
Physical Review Letters
Mass map shines light on dark matter
An international team of researchers has developed a new map of the distribution of dark matter in the universe using data from the Dark Energy Survey.
US Department of Energy Office of Science, National Science Foundation

Contact: Sarah Schlieder
DOE/Argonne National Laboratory

Public Release: 14-Jul-2015
Acta Biomaterialia
Advanced composites may borrow designs from deep-sea shrimp
New research is revealing details about how the exoskeleton of a certain type of deep-sea shrimp allows the animal to survive scalding hot waters in hydrothermal vents thousands of feet under water.
National Science Foundation

Contact: Emil Venere
Purdue University

Public Release: 14-Jul-2015
Clemson scientist shares $2.4 million from NSF to advance cotton genomic research
A five-member team that includes Clemson University scientist Chris Saski -- the director of Clemson's Genomics and Computational Biology Laboratory -- will share a $2.4 million grant recently awarded by the National Science Foundation to continue genomics research on Upland cotton.
National Science Foundation

Contact: Jim Melvin
Clemson University

Public Release: 14-Jul-2015
Nature Communications
Nonmagnetic elements form unique magnet
How can two metals that are not magnetic combine to make a magnet? Scientists at Rice University have found one answer in their creation of the first known itinerant antiferromagnet from nonmagnetic constituents.
National Science Foundation, Air Force Office of Scientific Research Multidisciplinary University Research Initiative, Welch Foundation, US Department of Energy, Florida State University, Japan Atomic Energy Agency, Friends of Todai Inc. Foundation

Contact: David Ruth
Rice University

Public Release: 14-Jul-2015
European Physical Journal B
Law governing anomalous heat conduction revealed
How heat travels, matters. Yet, there is still no consensus on the exact physical mechanism that causes anomalous heat conduction -- despite the existence of previous numerical simulation, theoretical predictions and experimental observations. Now, a team based in Asia has demonstrated that electron transport depends on temperature. It follows a scaling governed by a power law. These findings were recently published in EPJ B.
National Science Foundation China, Tongji University, Program for New Century Excellent Talents of the Ministry of Education of China, Shanghai Rising-Star Program

Contact: Sabine Lehr

Public Release: 14-Jul-2015
Proceedings of the Royal Society B
Ecologists predict impact of climate change on vulnerable species
As climate changes, many species are spreading beyond their historical ranges. Here biologists announce a method to predict which species decline as a result. Testing the method in Ontario, Canada, lakes where bass species have expanded northward with increasing temperatures, small fishes and fishes which rarely occurred with bass species were most likely to be lost where bass recently established. The method can predict losses due to competition and predation in a variety of organisms.
National Science Foundation, Natural Sciences and Engineering Research Council of Canada

Contact: Sean Bettam
University of Toronto

Public Release: 13-Jul-2015
ACS Nano
Better memory with faster lasers
By studying the effect of femtosecond laser pulses on the types of materials used to make DVDs, Caltech researchers made a discovery that could one day lead to better information storage in computers.
National Science Foundation, Air Force Office of Scientific Research, Gordon and Betty Moore Foundation

Contact: Deborah Williams-Hedges
California Institute of Technology

Public Release: 13-Jul-2015
Association of Computing Machinery's MobiHoc 2015
Rice tests wireless data delivery over active TV channels
Rice University engineers have demonstrated the first system that allows wireless data transmissions over UHF channels during active TV broadcasts.
National Science Foundation, Cisco Systems, Keck Foundation

Contact: David Ruth
Rice University

Public Release: 13-Jul-2015
Nature Nanotechnology
Nanowires highly 'anelastic,' research shows
At the nanoscale, familiar materials often take on unexpected properties. Researchers from Brown and NC State have shown that zinc oxide nanowires are highly anelastic, meaning they return to shape slowly after being bent, rather than snapping right back. Anelastic materials are good at dissipating of kinetic energy. This new finding suggest nanowires could be useful in absorbing shocks and vibrations.
National Science Foundation

Contact: Kevin Stacey
Brown University

Public Release: 13-Jul-2015
Polymer mold makes perfect silicon nanostructures
In a breakthrough for nanoscience, Cornell University polymer engineers have made such a mold for nanostructures that can shape liquid silicon out of an organic polymer material. This paves the way for perfect, 3-D, single crystal nanostructures.
National Science Foundation

Contact: Syl Kacapyr
Cornell University

Public Release: 13-Jul-2015
Journal of Consumer Psychology
Plump cartoon characters provoke indulgent eating in kids, says CU-Boulder-led study
Children consume more low-nutrition, high-calorie food such as cookies and candy after observing seemingly overweight cartoon characters, according to a first-of-its-kind study led by the University of Colorado Boulder.
Sterling-Rice Group, Association for Consumer Research Transformative Consumer Research

Contact: Margaret C. Campbell
University of Colorado at Boulder

Public Release: 13-Jul-2015
Nature Nanotechnology
Environmentally friendly lignin nanoparticle 'greens' silver nanobullet to battle bacteria
Researchers have developed an effective and environmentally benign method to combat bacteria by engineering nanoscale particles that add the antimicrobial potency of silver to a core of lignin, a ubiquitous substance found in all plant cells. The findings introduce ideas for better, greener and safer nanotechnology and could lead to enhanced efficiency of antimicrobial products used in agriculture and personal care.
US Environmental Protection Agency, National Science Foundation

Contact: Matt Shipman
North Carolina State University

Public Release: 13-Jul-2015
Nature Nanotechnology
Researchers find nanowires have unusually pronounced 'anelastic' properties
Researchers from North Carolina State University and Brown University have found that nanoscale wires (nanowires) made of common semiconductor materials have a pronounced anelasticity -- meaning that the wires, when bent, return slowly to their original shape rather than snapping back quickly.
National Science Foundation

Contact: Matt Shipman
North Carolina State University

Showing releases 701-725 out of 918.

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