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  News From the National Science Foundation
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Showing releases 26-50 out of 852.

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Public Release: 1-Sep-2015
Oxygen oasis in Antarctic lake reflects Earth in the distant past
At the bottom of a frigid Antarctic lake, a thin layer of green slime is generating a little oasis of oxygen, a team including UC Davis researchers has found. It's the first modern replica discovered of conditions on Earth two and a half billion years ago, before oxygen became common in the atmosphere. The discovery is reported in a paper in the journal Geology.
National Science Foundation, NASA

Contact: Andy Fell
University of California - Davis

Public Release: 1-Sep-2015
Dogs, cats, and big-wave surfers: Healthy heart lessons from animals and athletes
For over 30 years, Terrie Williams has been studying exercise physiology in animals: African lions and wild dogs, dolphins and whales, coyotes and mountain lions, as well as a few human athletes. She has put mountain lions on treadmills and strapped heart-rate monitors onto big-wave surfers at Mavericks. These studies have given Williams a unique perspective on exercise and health, which she presents in an article titled 'The Healthy Heart: Lessons from Nature's Elite Athletes.'
National Science Foundation, Office of Naval Research

Contact: Tim Stephens
University of California - Santa Cruz

Public Release: 1-Sep-2015
Proceedings of the National Academy of Sciences
Penn and German researchers help identify neural basis of multitasking
By studying networks of activity in the brain's frontal cortex, researchers have shown that the degree to which these networks reconfigure themselves while switching from task to task predicts people's cognitive flexibility.
MacArthur Foundation, Sloan Foundation, Army Research Laboratory, NIH/National Institute of Mental Health, National Science Foundation, German Federal Ministry of Education and Research, Innovative Medicines Initiative Joint Undertaking

Contact: Evan Lerner
University of Pennsylvania

Public Release: 1-Sep-2015
Nature Communications
Climate change will irreversibly force key ocean bacteria into overdrive
The levels of ocean acidification predicted for the year 2100 have been shown to cause an irreversible evolutionary change to a bacteria foundational to the ocean's food web.
National Science Foundation and G.B. Moore Foundation

Contact: Robert Perkins
University of Southern California

Public Release: 1-Sep-2015
Scientific Reports
Water heals a bioplastic
A drop of water self-heals a multiphase polymer derived from the genetic code of squid ring teeth, which may someday extend the life of medical implants, fiber-optic cables and other hard to repair in place objects, according to an international team of researchers.
Jenny and Antti Wihuri Foundation, Walter Ahlström Foundation, Academy of Finland, the National Science Foundation, Office of Naval Research

Contact: A'ndrea Elyse Messer
Penn State

Public Release: 1-Sep-2015
IEEE Energy Conversion Congress & Expo
New technique lowers cost of energy-efficient embedded computer systems
Electrical and computer engineers have developed a new technique for creating less-expensive, low-power embedded systems -- the computing devices found in everything from thermostats to automobiles.
National Science Foundation

Contact: Matt Shipman
North Carolina State University

Public Release: 1-Sep-2015
Metabolic Engineering
'Bacterial litmus test' provides inexpensive measurement of micronutrients
A bacterium engineered to produce different pigments in response to varying levels of a micronutrient in blood samples could give health officials an inexpensive way to detect nutritional deficiencies in resource-limited areas of the world. This 'bacterial litmus test,' which currently measures levels of zinc, would require no electrical equipment and make results visible as simple color changes.
Bill & Melinda Gates Foundation, National Science Foundation, National Institutes of Health

Contact: John Toon
Georgia Institute of Technology

Public Release: 1-Sep-2015
Nature Communications
Marine animal colony is a multi-jet swimming machine, scientists report
A colonial jellyfish-like species, Nanomia bijuga, employs a sophisticated, multi-jet propulsion system for swimming that is based on an elegant division of labor among young and old members of the colony. Reported this week in Nature Communications by scientists affiliated with the Marine Biological Laboratory, Woods Hole.
National Science Foundation

Contact: Diana Kenney
Marine Biological Laboratory

Public Release: 1-Sep-2015
Scientific Reports
First global antineutrino emission map highlights Earth's energy budget
A team of geologists and physicists has generated the world's first global map of antineutrino emissions. The map, published online in the journal Nature Scientific Reports on Sept. 1, 2015, provides an important baseline image of the energy budget of Earth's interior and could help scientists monitor new and existing human-made sources of radiation.
National Geospatial-Intelligence Agency, National Science Foundation, US Department of Energy

Contact: Matthew Wright
University of Maryland

Public Release: 1-Sep-2015
Nature Communications
Could tiny jellyfish propulsion drive design of new underwater craft?
The University of Oregon's Kelly Sutherland has seen the future of under-sea exploration by studying the swimming prowess of tiny jellyfish gathered from Puget Sound off Washington's San Juan Island.
National Science Foundation

Contact: Jim Barlow
University of Oregon

Public Release: 1-Sep-2015
Scientific Reports
New NGA global map advances R&D in geophysics and nonproliferation
A team of researchers led by scientists at the National Geospatial-Intelligence Agency published a new map Sept. 1 that characterizes the Earth's radioactivity and offers new and potential future applications for basic science research and nonproliferation efforts. The Antineutrino Global Map 2015, or AGM2015, is an unprecedented experimentally-informed model of the Earth's natural and manmade antineutrino flux.
National Geospatial-Intelligence Agency, Department of Energy and the National Science Foundation

Contact: Donald Kerr
National Geospatial-Intelligence Agency

Public Release: 31-Aug-2015
Research in mice shows potential value of antidepressant in some stroke victims
Working with mice, researchers at Johns Hopkins have added to evidence that a commonly prescribed antidepressant called fluoxetine helps stroke victims improve movement and coordination, and possibly why.
Johns Hopkins, NIH/National Institute of Neurological Disorders and Stroke, NIH/National Institute of Child Health and Human Development, James S. McDonnell Foundation, National Science Foundation

Contact: Shawna Williams
Johns Hopkins Medicine

Public Release: 31-Aug-2015
2015 American Association of Physics Teachers Conference
Top university teacher influencing how high school physics will be taught
Meera Chandrasekhar, a professor of physics at the University of Missouri, received a $5 million multi-year grant from the NSF to address science instruction challenges. She developed a hands-on physics course for ninth graders designed to give them a better chance at being successful in higher-level science courses. The handheld tablet and computer-based curriculum application modules called 'Exploring Physics' were developed through this grant and have just become available for instructors and students.
National Science Foundation

Contact: Jeff Sossamon
University of Missouri-Columbia

Public Release: 31-Aug-2015
Biological Conservation
Endangered animals can be identified by rate of genetic diversity loss
A Purdue University study presents a novel approach for identifying vertebrate populations at risk of extinction by estimating the rate of genetic diversity loss, a measurement that could help researchers and conservationists better identify and rank species that are threatened or endangered.
National Science Foundation, Purdue University Faculty Scholar Program

Contact: Natalie van Hoose
Purdue University

Public Release: 31-Aug-2015
ACS Nano
An engineered surface unsticks sticky water droplets
The leaves of the lotus flower and other natural surfaces that repel water and dirt, have been the model for many types of engineered liquid-repelling surfaces. As slippery as these surfaces are, however, tiny water droplets still stick to them. Now, Penn State researchers have developed nano/micro-textured, highly slippery surfaces able to outperform these naturally inspired coatings, particularly when the water is a vapor or tiny droplets.
National Science Foundation, Office of Naval Research

Contact: A'ndrea Elyse Messer
Penn State

Public Release: 31-Aug-2015
Nature Climate Change
Grey Swans: Rare but predictable storms could pose big hazards
Researchers at Princeton and MIT have used computer models to show that severe tropical cyclones could hit a number of coastal cities worldwide that are widely seen as unthreatened by such powerful storms.
National Science Foundation

Contact: Steven Schultz
Princeton University, Engineering School

Public Release: 31-Aug-2015
BMC Evolutionary Biology
Meet Pentecopterus, a new predator from the prehistoric seas
You don't name a sea creature after an ancient Greek warship unless it's built like a predator. That's certainly true of Pentecopterus, a giant sea scorpion with the features of a penteconter, one of the first Greek galley ships. Yale University researchers say Pentecopterus lived 467 million years ago and could grow to nearly six feet. It is the oldest described eurypterid -- a group of aquatic arthropods that are ancestors of modern spiders and ticks.
National Science Foundation

Contact: Jim Shelton
Yale University

Public Release: 31-Aug-2015
Proceedings of the National Academy of Sciences
Columbia engineers develop new approach to modeling Amazon seasonal cycles
Columbia engineers have developed a new approach, opposite to climate models, to correct inaccuracies using a high-resolution atmospheric model that more precisely resolves clouds and convection and parameterizes the feedback between convection and atmospheric circulation. The new simulation strategy paves the way for better understanding of the water and carbon cycles in the Amazon, enabling researchers to learn more about the role of deforestation and climate change on the forest.
US Department of Energy, National Science Foundation, Office of Naval Research

Contact: Holly Evarts
Columbia University School of Engineering and Applied Science

Public Release: 28-Aug-2015
Seeing quantum motion
Even large objects obey quantum physics, meaning they are never quite at rest. Caltech researchers have developed a way to detect -- and manipulate -- this underlying quantum motion.
National Science Foundation, Defense Advanced Research Projects Agency, Gordon and Betty Moore Foundation

Contact: Judy Asbury
California Institute of Technology

Public Release: 28-Aug-2015
Advanced Materials
New synthetic tumor environments make cancer research more realistic
Tumors are notoriously difficult to study in their natural habitat -- body tissues -- but a new synthetic tissue environment may give cancer researchers the next-best look at tumor growth and behavior. University of Illinois researchers have developed a new technique to create a cell habitat of hydrogels which can realistically and quickly recreate microenvironments found across biology.
National Science Foundation, American Cancer Society

Contact: Liz Ahlberg
University of Illinois at Urbana-Champaign

Public Release: 28-Aug-2015
Angewandte Chemie
Researchers use DNA 'clews' to shuttle CRISPR-Cas9 gene-editing tool into cells
Researchers have for the first time created and used a nanoscale vehicle made of DNA to deliver a CRISPR-Cas9 gene-editing tool into cells in both cell culture and an animal model.
National Institutes of Health, National Science Foundation

Contact: Matt Shipman
North Carolina State University

Public Release: 27-Aug-2015
OU developing advanced radar for rapid updates and improved severe weather warnings
A team of engineers and meteorologists from the Advanced Radar Research Center located in the Radar Innovations Laboratory on the University of Oklahoma Research Campus will develop faster, more advanced imaging radar with a five-year, $3 million grant from the National Science Foundation. The C-band, mobile, polarimetric, imaging radar will provide simultaneous snapshots of a storm with unprecedented resolution and flexibility. The faster, more advanced imaging radar will lead to a better understanding of storms and provide improved severe weather warnings.
National Science Foundation

Contact: Jana Smith
University of Oklahoma

Public Release: 27-Aug-2015
Geochimica et Cosmochimica Acta
Intensity of desert storms may affect ocean phytoplankton
Scientists at MIT, Columbia University, and Florida State University have determined that once iron is deposited in the ocean, it has a very short residence time, spending only six months in surface waters before sinking into the deep ocean. This high turnover of iron signals that large seasonal changes in desert dust may have dramatic effects on surface phytoplankton that depend on iron.
National Science Foundation

Contact: Abby Abazorius
Massachusetts Institute of Technology

Public Release: 27-Aug-2015
A new technique to make drugs more soluble
Researchers from Harvard John A. Paulson School of Engineering and Applied Science have developed a new system that can produce stable, amorphous nanoparticles in large quantities that dissolve quickly. The system is so effective that it can produce amorphous nanoparticles from a wide range of materials, including for the first time, inorganic materials with a high propensity towards crystallization, such as table salt.
National Science Foundation, BASF SE

Contact: Leah Burrows
Harvard University

Public Release: 27-Aug-2015
Nature Communications
CWRU researchers efficiently charge a lithium-ion battery with solar cell
Researchers at Case Western Reserve University have wired four perovskite solar cells in series to enhance the voltage and directly photo-charged lithium batteries with 7.8 percent efficiency -- the most efficient reported to date, the researchers believe.
National Science Foundation

Contact: Kevin Mayhood
Case Western Reserve University

Showing releases 26-50 out of 852.

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