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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 576-600 out of 750.

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Public Release: 25-Nov-2013
Proceedings of the National Academy of Sciences
Bad proteins branch out
Rice University theorists find that misfolded proteins form branched structures, which may have implications for Alzheimer's and other aggregation diseases.
National Institutes of Health, National Science Foundation

Contact: David Ruth
david@rice.edu
713-348-6327
Rice University

Public Release: 25-Nov-2013
Nano Letters
Nanotubes can solder themselves, markedly improving device performance
University of Illinois researchers have developed a way to heal gaps in wires too small for even the world's tiniest soldering iron. Junctions between nanotubes have high resistance, slowing down the current and creating hotspots. The researchers use these hot spots to trigger a local chemical reaction that deposits metal that nano-solders the junctions.
National Science Foundation, Office of Naval Research

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

Public Release: 25-Nov-2013
American Journal of Science
Ancient minerals: Which gave rise to life?
Life originated as a result of natural processes that exploited early Earth's raw materials. Scientific models of life's origins almost always look to minerals for such essential tasks as the synthesis of life's molecular building blocks or the supply of metabolic energy. But this assumes that the mineral species found on Earth today are much the same as they were during Earth's first 550 million years -- the Hadean Eon -- when life emerged. A new analysis of Hadean mineralogy challenges that assumption.
National Science Foundation, NASA Astrobiology Institute, Deep Carbon Observatory, Carnegie Institution

Contact: Robert Hazen
rhazen@carnegiescience.edu
202-478-8962
Carnegie Institution

Public Release: 25-Nov-2013
Cell
The inner workings of a bacterial black box caught on time-lapse video
Using a pioneering visualization method, researchers from the UC Berkeley and the Department of Energy Joint Genome Institute made movies of a complex and vital cellular machine called the carboxysome being assembled inside living cells. They observed that bacteria build these internal compartments in a way never seen in plant, animal and other eukaryotic cells. The findings, published Nov. 21, 2013, in the journal Cell, will illuminate bacterial physiology and may also influence nanotechnology development.
US Department of Energy, National Science Foundation

Contact: David Gilbert
degilbert@lbl.gov
925-296-5643
DOE/Joint Genome Institute

Public Release: 25-Nov-2013
Scientific Reports
Flashes of brilliance
Spontaneous bursts of coherent light from solid-state materials shed new light on how particles interact and may lead to ultrahigh-speed optoelectronic devices for telecommunications.
National Science Foundation, State of Florida

Contact: David Ruth
david@rice.edu
713-348-6327
Rice University

Public Release: 25-Nov-2013
NSF supports extreme black hole research at RIT with $525,000 grant
Rochester Institute of Technology scientists will simulate extreme black holes colliding -- and the gravitational waves produced from the impact -- to create blueprints for detecting gravity waves and verifying Einstein's theory of general relativity -- an event that could occur within the decade. They won a $525,000 grant from the National Science Foundation to advance their research, part of the international effort to confirm the existence of gravitational waves and black holes.
National Science Foundation

Contact: Susan Gawlowicz
smguns@rit.edu
585-475-5061
Rochester Institute of Technology

Public Release: 25-Nov-2013
Nanoscale
Rice scientists ID new catalyst for cleanup of nitrites
Rice University researchers have found that gold and palladium nanoparticles can rapidly break down nitrites, a common contaminant in drinking water that often results from overuse of agricultural fertilizers. The nanoengineered catalysts were 7.5 times more efficient at reducing nitrites than previously studied catalysts made of palladium and aluminum oxide.
National Science Foundation, Rice University's Smalley Institute, Welch Foundation

Contact: Jade Boyd
jadeboyd@rice.edu
713-348-6778
Rice University

Public Release: 25-Nov-2013
Biomacromolecules
Researchers use nanoscale 'patches' to sensitize targeted cell receptors
Researchers have developed nanoscale "patches" that can be used to sensitize targeted cell receptors, making them more responsive to signals that control cell activity. The finding holds promise for promoting healing and facilitating tissue engineering research.
National Science Foundation, NIH/National Institute of Biomedical Imaging and Bioengineering

Contact: Matt Shipman
matt_shipman@ncsu.edu
919-515-6386
North Carolina State University

Public Release: 25-Nov-2013
Proceedings of the National Academy of Sciences
US methane emissions exceed government estimates
Emissions of methane from fossil fuel extraction and refining activities in the south-central United States are nearly five times higher than previous estimates, according to researchers at Harvard University and seven other institutions. Their study, published this week in PNAS, also suggests that the contribution from livestock operations may be twice as high as previously thought.
Department of Energy, National Science Foundation, NASA, NOAA, American Meteorological Society, Environmental Defense Fund

Contact: Caroline Perry
cperry@seas.harvard.edu
617-496-1351
Harvard University

Public Release: 25-Nov-2013
Journal of General Physiology
Controlling our circadian rhythms
Most people have experienced the effects of circadian-rhythm disruption, after traveling across time zones or adjusting to a new schedule. To have any hope of modulating our biological "clocks," we need to first understand the physiology at play. A new study in the Journal of General Physiology helps explain some of the biophysical processes underlying regulation of circadian rhythms.
National Institutes of Health, National Science Foundation, American Physiological Society

Contact: Rita Sullivan King
news@rupress.org
212-327-8603
Rockefeller University Press

Public Release: 25-Nov-2013
Journal of Experimental Medicine
Killer cocktail fights brain cancer
A novel immune-boosting drug combination eradicates an aggressive form of brain cancer in mice, according to a study in the Journal of Experimental Medicine.
Swiss National Science Foundation, European Union

Contact: Rita Sullivan King
news@rupress.org
212-327-8603
Rockefeller University Press

Public Release: 25-Nov-2013
Journal of Clinical Investigation
Identifying targets of autoantibodies
In this issue of the Journal of Clinical Investigation, Jordan Price and colleagues at Stanford University developed a microarray to identify cytokines, chemokines, and other circulating proteins as potential targets of the autoantibodies produced by SLE patients.
National Science Foundation, National Institutes of Health, Canadian Institutes of Health, National Organization for Rare Disorders

Contact: Corinne Williams
press_releases@the-jci.org
Journal of Clinical Investigation

Public Release: 22-Nov-2013
New microscope captures movements of atoms and molecules
A new microscope invented at Michigan State University allows scientists to zoom in on the movements of atoms and molecules.
National Science Foundation, US Department of Energy

Contact: Layne Cameron
layne.cameron@cabs.msu.edu
517-353-8819
Michigan State University

Public Release: 22-Nov-2013
Geology
Greenland's shrunken ice sheet: We've been here before
The Greenland Ice Sheet was smaller -- as small as it has ever been in recent history -- from 3-5,000 years ago, according to scientists who studied the ice sheet's history using a new technique they developed for interpreting the Arctic fossil record.
National Geographic Society, National Science Foundation

Contact: Charlotte Hsu
chsu22@buffalo.edu
716-645-4655
University at Buffalo

Public Release: 22-Nov-2013
Angewandte Chemie
Copper promises cheaper, sturdier fuel cells
Duke chemists are exploring the use of copper nanowires in fuel cells to convert solar energy into storable fuel. Copper nanowire catalysts cost less to produce than their indium tin oxide counterparts because they can be "printed" on pieces of glass or plastic in a liquid ink form, using a machine that functions much like a printing press. The nanowires can also be incorporated into transparent, flexible films.
National Science Foundation

Contact: Erin Weeks
erin.weeks@duke.edu
919-681-8057
Duke University

Public Release: 22-Nov-2013
Molecular Ecology
Biodiversity higher in the tropics, but species more likely to arise at higher latitudes
A study of 2300 species of mammals and 6700 species of birds helps explain why there are more species in the tropics than at higher latitudes. Researchers found that while the tropics harbor more species, the number of subspecies increases in the harsher environments typical of higher latitudes. The results suggest that the latitudinal diversity gradient may be due higher species turnover -- speciation counterbalanced by extinction -- towards the poles than near the equator.
National Science Foundation

Contact: Robin Ann Smith
rsmith@nescent.org
919-668-4544
National Evolutionary Synthesis Center (NESCent)

Public Release: 21-Nov-2013
Science
Pre-industrial rise in greenhouse gases had natural and anthropogenic causes
For years scientists have intensely argued over whether increases of potent methane gas concentrations in the atmosphere -- from about 5,000 years ago to the start of the industrial revolution -- were triggered by natural causes or human activities. A new study, published Friday in the journal Science, suggests the increase in methane likely was caused by both.
National Science Foundation

Contact: Mark Floyd
mark.floyd@oregonstate.edu
541-737-0788
Oregon State University

Public Release: 21-Nov-2013
Biomacromolecules
Research paves path for hybrid nano-materials that could replace human tissue or today's pills
A team of researchers has uncovered critical information that could help scientists understand how protein polymers interact with other self-assembling biopolymers. The research helps explain naturally occurring nano-material within cells and could one day lead to engineered bio-composites for drug delivery, artificial tissue, bio-sensing, or cancer diagnosis. The collaborative research was centered in the Polytechnic Institute of New York University Montclare Lab for Protein Engineering and Molecular Design.
National Science Foundation, Society of Plastics Engineers, Swiss National Science Foundation, Adolphe-Merkle Foundation

Contact: Kathleen Hamilton
hamilton@poly.edu
718-260-3792
New York University Polytechnic School of Engineering

Public Release: 21-Nov-2013
Science
Searching for cosmic accelerators via IceCube
New results from IceCube, the neutrino observatory buried at the South Pole, may show the way to locating and identifying cosmic accelerators in our galaxy that are 40 million times more powerful than the Large Hadron Collider at CERN.
National Science Foundation

Contact: Lynn Yarris
lcyarris@lbl.gov
510-486-5375
DOE/Lawrence Berkeley National Laboratory

Public Release: 21-Nov-2013
Science
Cosmic finding ushers in 'new age of astronomy'
Neutrinos can zip right through your body, the walls of your house, entire planets, even emerging from near the surface of fascinating and frightening black holes. And now, an international scientific collaboration that includes researchers from the University of Delaware has taken an astronomical step forward in unmasking the origins of some of these high-energy particles, the so-called "messengers of the universe."
National Science Foundation

Contact: Andrea Boyle Tippett
aboyle@udel.edu
302-831-1421
University of Delaware

Public Release: 21-Nov-2013
Science
Improve learning by taming instructional complexity
From using concrete or abstract materials to giving immediate or delayed feedback, there are rampant debates over the best teaching strategies to use. But, in reality, improving education is not as simple as choosing one technique over another. Carnegie Mellon University and Temple University researchers scoured the educational research landscape and found that because improved learning depends on many different factors, there are actually more than 205 trillion instructional options available.
National Science Foundation, US Department of Education

Contact: Shilo Rea
shilo@cmu.edu
412-268-6094
Carnegie Mellon University

Public Release: 21-Nov-2013
Science
IceCube pushes neutrinos to the forefront of astronomy
The IceCube Collaboration announces the observation of 28 very high-energy particle events that constitute the first solid evidence for astrophysical neutrinos from cosmic accelerators. "This is the first indication of very high-energy neutrinos coming from outside our solar system, with energies more than one million times those observed in 1987 in connection with a supernova seen in the Large Magellanic Cloud," says Francis Halzen, principal investigator of IceCube.
National Science Foundation

Contact: Francis Halzen
halzen@icecube.wisc.edu
608-513-9815
University of Wisconsin-Madison

Public Release: 20-Nov-2013
Proceedings of the National Academy of Sciences
Scripps oceanography researchers engineer breakthrough for biofuel production
Researchers at Scripps Institution of Oceanography at UC San Diego have developed a method for greatly enhancing biofuel production in tiny marine algae. As reported in this week's online edition of the Proceedings of the National Academy of Sciences, Scripps graduate student Emily Trentacoste led the development of a method to genetically engineer a key growth component in biofuel production.
National Institutes of Health, California Energy Commission, Air Force, Department of Energy, National Science Foundation

Contact: Mario Aguilera
scrippsnews@ucsd.edu
858-534-3624
University of California - San Diego

Public Release: 20-Nov-2013
Brain Sciences
Connections in the brains of young children strengthen during sleep, CU-Boulder study finds
While young children sleep, connections between the left and the right hemispheres of their brain strengthen, which may help brain functions mature, according to a new study by the University of Colorado Boulder.
NIH/National Insitute of Mental Health, Seprarcor Inc., Swiss National Science Foundation

Contact: Salome Kurth
Salome.Kurth@colorado.edu
303-492-4584
University of Colorado at Boulder

Public Release: 20-Nov-2013
Nature
Texas A&M: 24,000-year-old skeletal remains raise new questions about first Americans
Results from a DNA study of a young boy's skeletal remains believed to be 24,000 years old could turn the archaeological world upside down -- it's been proven that nearly 30 percent of modern Native-Americans' ancestry came from this youngster's gene pool, suggesting First Americans came directly from Siberia, according to a research team that includes a Texas A&M University professor.
National Science Foundation

Contact: Keith Randall
keith-randall@tamu.edu
979-845-4644
Texas A&M University

Showing releases 576-600 out of 750.

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