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  News From the National Science Foundation
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Showing releases 776-800 out of 840.

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Public Release: 8-May-2014
Human Communication Research
Partisan media driving a wedge between citizens, study finds
Viewing partisan news reports from both the conservative and liberal viewpoints doesn't make people more accepting of citizens on the other side of the political fence.
National Science Foundation

Contact: R. Kelly Garrett
Ohio State University

Public Release: 8-May-2014
Exploring the magnetism of a single atom
An EPFL-led research collaboration has shown for the first time the maximum theoretical limit of energy needed to control the magnetization of a single atom. The fundamental work can have great implications for the future of magnetic research and technology.
CCMX, SNSF, Office of Naval Research, National Science Foundation

Contact: Nik Papageorgiou
Ecole Polytechnique Fédérale de Lausanne

Public Release: 7-May-2014
New study sheds light on survivors of the Black Death
A new study in the journal PLOS ONE suggests that people who survived the medieval mass-killing plague known as the Black Death lived significantly longer and were healthier than people who lived before the epidemic struck in 1347. It provides the first look at how the plague, called bubonic plague today, shaped population demographics and health for generations. The findings have significant implications for understanding emerging diseases today.
National Science Foundation, the Wenner-Grenn Foundation, the American Association of Physical Anthropology

Contact: Peggy Binette
University of South Carolina

Public Release: 7-May-2014
New order of marine creatures discovered among sea anemones
A deep-water creature once thought to be one of the world's largest sea anemones, with tentacles reaching more than 6.5 feet long, actually belongs to a new order of animals. The finding is part of a new DNA-based study led by the American Museum of Natural History that presents the first tree of life for sea anemones, a group that includes more than 1,200 species.
National Science Foundation, Lerner Gray Fund for Marine Research, Gerstner Family Foundation

Contact: Kendra Snyder
American Museum of Natural History

Public Release: 7-May-2014
New sensor array to monitor changing Gulf of Maine conditions and New England red tide
Scientists from the Woods Hole Oceanographic Institution are kicking off an innovative NOAA-funded pilot program using robotic instruments and computer modeling analysis to shed light on changing ocean conditions in the Gulf of Maine as they relate to the harmful algal bloom phenomenon commonly known as the New England red tide.
NOAA, National Science Foundation, US Environmental Protection Agency, Massachusetts Institute of Technology Sea Grant Program, Tom and Robin Wheeler

Contact: Media Relations Office
Woods Hole Oceanographic Institution

Public Release: 7-May-2014
Nature Communications
Sprites form at plasma irregularities in the lower ionosphere
Atmospheric sprites have been known for nearly a century, but their origins were a mystery. Now, a team of researchers has evidence that sprites form at plasma irregularities and may be useful in remote sensing of the lower ionosphere.
National Science Foundation, Defense Advanced Research Projects Agency

Contact: A'ndrea Elyse Messer
Penn State

Public Release: 7-May-2014
Nature Communications
Newly found dinosaur is long-nosed cousin of Tyrannosaurus rex
Scientists have discovered a new species of long-snouted tyrannosaur, nicknamed Pinocchio rex, which stalked the Earth more than 66 million years ago.
Natural Science Foundation of China, National Science Foundation

Contact: Corin Campbell
University of Edinburgh

Public Release: 7-May-2014
Greenland melting due equally to global warming, natural variations
Up to half of the recent warming in Greenland and neighboring parts of the Canadian Arctic may be due to climate variations that originate in the tropical Pacific and are not connected with the overall warming of the planet. The other portion is likely due to global warming.
National Science Foundation

Contact: Hannah Hickey
University of Washington

Public Release: 6-May-2014
Applied Physics Letters
Graphene for real-world devices
Graphene is an excellent conductor of electricity and heat, but a number of practical challenges must be overcome before it can emerge as a replacement for silicon. University of Texas professor Li Shi is exploring novel ways of supporting and connecting graphene using experimental and computational methods. Using the Stampede supercomputer, Shi inferred how phonons (the vibrations of atoms in solids) scatter as a function of the thickness of graphene layers.
National Science Foundation

Contact: Faith Singer-Villalobos
University of Texas at Austin, Texas Advanced Computing Center

Public Release: 6-May-2014
Computer scientists develop tool for uncovering bot-controlled Twitter accounts
Complex networks researchers at Indiana University have developed a tool that helps anyone determine whether a Twitter account is operated by a human or an automated software application known as a social bot.
National Science Foundation, US Department of Defense

Contact: Steve Chaplin
Indiana University

Public Release: 6-May-2014
Astrophysical Journal Letters
Nearest bright 'hypervelocity star' found
A University of Utah-led team discovered a 'hypervelocity star' that is the closest, second-brightest and among the largest of 20 found so far. Speeding at more than 1 million mph, the star may provide clues about the supermassive black hole at the center of our Milky Way and the halo of mysterious 'dark matter' surrounding the galaxy, astronomers say.
National Science Foundation, National Development and Reform Commission of China

Contact: Lee J. Siegel
University of Utah

Public Release: 5-May-2014
Journal of Human Evolution
Getting to the root of enamel evolution
Thick tooth enamel is one of the features that distinguishes our genus, Homo, from our primate relatives and forebears. A new study offers insight into exactly how evolution shaped our teeth, one gene at a time. By comparing the human genome with those of five other primate species, a team of geneticists and evolutionary anthropologists at Duke University has identified two segments of DNA where natural selection acted to give modern humans their thick enamel.
National Science Foundation, Wenner-Gren Foundation, Duke Primate Genomics Initiative

Contact: Karl Bates
Duke University

Public Release: 5-May-2014
Journal of Geophysical Research: Atmospheres
Climate change threatens to worsen US ozone pollution
Ozone pollution across the continental United States will become far more difficult to keep in check as temperatures rise, according to new research led by NCAR. The detailed study shows that Americans face the risk of a 70 percent increase in unhealthy summertime ozone levels by 2050.
National Science Foundation, US Department of Energy

Contact: David Hosansky
National Center for Atmospheric Research/University Corporation for Atmospheric Research

Public Release: 5-May-2014
ACS Nano
Genetic approach helps design broadband metamaterial
A specially formed material that can provide custom broadband absorption in the infrared can be identified and manufactured using 'genetic algorithms,' according to Penn State engineers, who say these metamaterials can shield objects from view by infrared sensors, protect instruments and be manufactured to cover a variety of wavelengths.
National Science Foundation

Contact: A'ndrea Elyse Messer
Penn State

Public Release: 5-May-2014
Proceedings of the National Academy of Sciences
Evolution in species may reverse predator-prey population cycles
According to a study to be published this week, co-evolutionary changes in species may reverse traditional predator-prey population cycles, creating the appearance that prey are eating the predators.
National Science Foundation, Burroughs Wellcome Fund

Contact: John Toon
Georgia Institute of Technology

Public Release: 5-May-2014
Current Biology
Is self-fumigation for the birds?
When University of Utah biologists set out cotton balls treated with a mild pesticide, wild finches in the Galapagos Islands used the cotton to help build their nests, killing parasitic fly maggots to protect baby birds. The researchers say the self-fumigation method may help endangered birds and even some mammals.
National Science Foundation, University of Utah

Contact: Lee J. Siegel
University of Utah

Public Release: 3-May-2014
Conservation Genetics
Inbred wolves struggle, moose proliferate at Isle Royale National Park
Inbreeding has caused the wolf population at Isle Royale National Park to drop to nine. As a result, numbers of moose have more than doubled, which could pose a threat to the vegetation of the remote Lake Superior island.
National Park Service, National Science Foundation, Michigan Technological University

Contact: John Vucetich
Michigan Technological University

Public Release: 2-May-2014
American Journal of Botany
Which came first, bi- or tricellular pollen? New research updates a classic debate
New research finds that both bi- and tricellular lineages gave rise to each other -- debunking the long-standing assumption that pollen states could only evolve in one direction, namely from bi- to tricellular, and that tricellularity was a 'dead end.'
National Science Foundation, Philecology Foundation of Fort Worth Texas

Contact: Richard Hund
American Journal of Botany

Public Release: 2-May-2014
Leaf chewing links insect diversity in modern and ancient forests
Observations of insects and their feeding marks on leaves in modern forests confirm indications from fossil leaf deposits that the diversity of chewing damage relates directly to diversity of the insect population that created it, according to an international team of researchers.
David and Lucile Packard Foundation, National Science Foundation

Contact: A'ndrea Elyse Messer
Penn State

Public Release: 2-May-2014
Researchers find unique fore wing folding among Sub-Saharan African Ensign wasps
Researchers discovered several possibly threatened new species of ensign wasps from Sub-Saharan Africa -- the first known insects to exhibit transverse folding of the fore wing. The scientists made this discovery, in part, using a technique they developed that provides broadly accessible anatomy descriptions.
National Science Foundation

Contact: A'ndrea Elyse Messer
Penn State

Public Release: 2-May-2014
Penn State researchers believe ants can offer human-disease insights
What can ants teach us about the transmission and spread of human disease? Perhaps a lot, according to a team of researchers who recently received a grant of more than $1.8 million from the National Science Foundation to explore this question.
National Science Foundation

Contact: A'ndrea Elyse Messer
Penn State

Public Release: 1-May-2014
PLOS Genetics
Small variations in genetic code can team up to have a big impact
Scientists at USC have definitively demonstrated that large sets of variations in the genetic code that do not individually appear to have much effect can collectively produce significant changes in an organism's physical characteristics.
National Institutes of Health, National Science Foundation

Contact: Robert Perkins
University of Southern California

Public Release: 1-May-2014
Some Ohio butterflies threatened by rising temperatures
The combined heat from climate change and urbanization is likely to reduce the number of eastern swallowtails and other native butterflies in Ohio and promote the spread of invasive relatives. The findings, based on years of monitoring, are likely applicable globally.
US Department of the Interior, US Geological Survey, US Department of Energy, National Science Foundation, NASA, and others

Contact: Kevin Mayhood
Case Western Reserve University

Public Release: 1-May-2014
Increased drought portends lower future Midwest crop yields
Increasingly harsh drought conditions in the US Midwest's Corn Belt may take a serious toll on corn and soybean yields over the next half-century, according to research published today in the journal Science. Corn yields could drop by 15 to 30 percent, according to the paper's estimates.
National Science Foundation, NOAA

Contact: Mick Kulikowski
North Carolina State University

Public Release: 1-May-2014
Journal of American Chemical Society
Researchers find the accelerator for molecular machines
How hard can it be to make a wheel rotate in a machine? Very hard actually, when the wheel sits in one of those nano-small molecular machines that are predicted to be running our future machines. But before the molecular machines become part of our daily lives, researchers must be able to control them. A Danish/American research team have now solved part of this problem.
Danish Ministry of Research and Higher Education, National Science Foundation, Villum Foundation

Contact: Birgitte Svennevig
University of Southern Denmark

Showing releases 776-800 out of 840.

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