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  News From the National Science Foundation
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Showing releases 726-750 out of 795.

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Public Release: 17-Mar-2014
First direct evidence of cosmic inflation
Researchers from the BICEP2 collaboration today announced the first direct evidence for cosmic inflation. Their data also represent the first images of gravitational waves, or ripples in space-time. These waves have been described as the 'first tremors of the Big Bang.' Finally, the data confirm a deep connection between quantum mechanics and general relativity.
National Science Foundation, NASA

Contact: Christine Pulliam
Harvard-Smithsonian Center for Astrophysics

Public Release: 17-Mar-2014
Proceedings of the National Academy of Sciences
Lessons from a meadow
Presenting some of the most comprehensive information on blooming cycles over the course of four decades reveals that the timing of events within biological communities is more complex than previously thought. The results have implications for models designed to help predict how climate change may affect ecosystems.
National Science Foundation

Contact: Daniel Stolte
University of Arizona

Public Release: 17-Mar-2014
Proceedings of the National Academy of Sciences
Rocky Mountain wildflower season lengthens by more than a month
A 39-year study of wildflower blooms in a Rocky Mountain meadow shows more than two-thirds of alpine flowers changed their blooming pattern in response to climate change. Half are beginning to bloom weeks earlier, more than a third are reaching peak bloom earlier, and others' last blooms are later. Records of more than two million blooms show flowering plants' response to climate change is more complex than previously believed. Species that depend on wildflowers are likely to be affected.
National Science Foundation, Earthwatch

Contact: Heather Dewar
University of Maryland

Public Release: 16-Mar-2014
Nature Climate Change
Researchers: Northeast Greenland ice loss accelerating
An international team of scientists has discovered that the last remaining stable portion of the Greenland ice sheet is stable no more. The finding, which will likely boost estimates of expected global sea level rise in the future, appears in the March 16 issue of the journal Nature Climate Change
National Science Foundation

Contact: Pam Frost Gorder
Ohio State University

Public Release: 16-Mar-2014
Nature Nanotechnology
Thermal vision: Graphene light detector first to span infrared spectrum
The first room-temperature light detector that can sense the full infrared spectrum has the potential to put heat vision technology into a contact lens.
National Science Foundation

Contact: Kate McAlpine
University of Michigan

Public Release: 14-Mar-2014
Angewandte Chemie
Brighter inks, without pigment
Encapsulated nanoparticles can create bright colors by amplifying particular wavelengths of light. These microcapsules could offer a new, non-toxic and long-lasting source of color for paints and electronic displays.
Ministry of Trade, Industry & Energy of Korea, National Science Foundation

Contact: Paul Karoff
Harvard University

Public Release: 14-Mar-2014
Physical Chemistry Chemical Physics
Big data tackles tiny molecular machines
Rice University researchers combine genetic and structural data to begin to solve one of the most compelling mysteries in biology: how proteins perform the regulatory mechanisms in cells upon which life depends.
Welch Foundation, National Science Foundation, Cancer Prevention and Research Institute of Texas

Contact: David Ruth
Rice University

Public Release: 13-Mar-2014
Proceedings of the Royal Society B
Motion and muscles don't always work in lockstep, researchers find in surprising new study
Animals 'do the locomotion' every day, whether it's walking down the hall to get some coffee or darting up a tree to avoid a predator. And until now, scientists believed the inner workings of movement were pretty much the same. But in a first-of-its-kind study on wild green anole lizards, biologists at the University of California, Riverside have discovered that the link between muscle function and movement is a lot more complicated than anyone realized.
Natural Sciences and Engineering Research Council of Canada, National Science Foundation

Contact: Iqbal Pittalwala
University of California - Riverside

Public Release: 13-Mar-2014
Bioscientists develop 'grammar' to design useful synthetic living systems
Researchers at the Massachusetts Institute of Technology and Virginia Tech have used a computer-aided design tool to create genetic languages to guide the design of biological systems.
Defense Advanced Research Projects Agency, National Institutes of Health, National Science Foundation, Office of Naval Research

Contact: Tiffany Trent
Virginia Tech

Public Release: 13-Mar-2014
Nano Letters
Nanoscale optical switch breaks miniaturization barrier
An ultra-fast and ultra-small optical switch has been invented that could advance the day when photons replace electrons in the innards of consumer products ranging from cell phones to automobiles.
Defense Threat-Reduction Agency, US Department of Energy, US Department of Education, National Science Foundation

Contact: David Salisbury
Vanderbilt University

Public Release: 13-Mar-2014
Nano Letters
Creating a graphene-metal sandwich to improve electronics
Researchers have discovered that creating a graphene-copper-graphene 'sandwich' strongly enhances the heat conducting properties of copper, a discovery that could further help in the downscaling of electronics.
National Science Foundation

Contact: Sean Nealon
University of California - Riverside

Public Release: 13-Mar-2014
Current Biology
Fossil porpoise has a chin for the ages
Scientists have identified a new species of ancient porpoise with a chin length unprecedented among known mammals, and suggest the animal used the tip of its face to probe the seabed for food.
National Science Foundation

Contact: Eric Gershon
Yale University

Public Release: 13-Mar-2014
Unraveling a mystery in the 'histone code' shows how gene activity is inherited
Every cell in our body has exactly the same DNA, yet every cell is different. The genetic code carried in our DNA provides instructions for cells to manufacture specific proteins. A second code, carried by histone proteins bound to DNA, determines which genes are activated in particular cells. Researchers at CSHL have found that the slightest variation in a histone protein can have dramatic effects on how the genes encoded in our DNA are used.
Howard Hughes Medical Institute, National Science Foundation, National Institutes of Health

Contact: Jaclyn Jansen
Cold Spring Harbor Laboratory

Public Release: 13-Mar-2014
More to biological diversity than meets the eye
UI biology researcher Andrew Forbes and his colleagues studied fly and wasp species on plants in a Chilean rainforest and found more species than biological theory would have predicted because specialized interactions between species allow a larger, more diverse number of species to live in the same place.
National Science Foundation, University of Iowa

Contact: Gary Galluzzo
University of Iowa

Public Release: 13-Mar-2014
When big isn't better: How the flu bug bit Google
Numbers and data can be critical tools in bringing complex issues into focus. The understanding of diseases, for example, benefits from algorithms that help monitor their spread. But without context, a number may be just a number, or even misleading. Google's data-aggregating tool Google Flu Trend was designed to provide real-time monitoring of flu cases around the world, but it also illustrates where 'big-data' analysis can go wrong.
National Science Foundation

Contact: Jeannie Kever
University of Houston

Public Release: 13-Mar-2014
American Journal of Human Genetics
Penn team links Africans' ability to digest milk to spread of cattle raising
A new study led by University of Pennsylvania researchers -- constituting the largest investigation ever of lactose tolerance in geographically diverse populations of Africans -- investigated the genetic origins of this trait and offers support to the idea that the ability to digest milk was a powerful selective force in a variety of African populations which raised cattle and consumed the animals' fresh milk.
National Science Foundation, National Institutes of Health

Contact: Katherine Unger Baillie
University of Pennsylvania

Public Release: 12-Mar-2014
Circulation: Cardiovascular Quality and Outcomes
Heart scans only useful in prescribing statins under certain conditions, UCSF team reports
As long as inexpensive statins, which lower cholesterol, are readily available and patients don't mind taking them, it doesn't make sense to do a heart scan to measure how much plaque has built up in a patient's coronary arteries before prescribing the pills, according to a new study by researchers at UC San Francisco.
NIH/National Heart, Lung and Blood Institute, NIH/National Cancer Institute, Swiss National Science Foundation

Contact: Laura Kurtzman
University of California - San Francisco

Public Release: 12-Mar-2014
Physical Review A
'Ultracold' molecules promising for quantum computing, simulation
Researchers have created a new type of 'ultracold' molecule, using lasers to cool atoms nearly to absolute zero and then gluing them together, a technology that might be applied to quantum computing, precise sensors and advanced simulations.
National Science Foundation, US Army Research Office

Contact: Emil Venere
Purdue University

Public Release: 12-Mar-2014
Proceedings of the National Academy of Sciences
Turing's theory of morphogenesis validated 60 years after his death
Sixty years after Turing's death, researchers from the University of Pittsburgh and Brandeis University have provided the first experimental evidence that validates Turing's theory in cell-like structures.
National Science Foundation Material Research Science and Engineering Center

Contact: Joe Miksch
University of Pittsburgh

Public Release: 12-Mar-2014
Good vibes for catalytic chemistry
University of Utah chemists discovered how vibrations in chemical bonds can be used to predict chemical reactions and thus design better catalysts to speed reactions that make medicines, industrial products and new materials.
National Science Foundation

Contact: Lee J. Siegel
University of Utah

Public Release: 11-Mar-2014
Nature Materials
Scientists 'herd' cells in new approach to tissue engineering
UC Berkeley engineers have found that an electrical current can be used to orchestrate the flow of a group of cells. This achievement sets the stage for more controlled forms of tissue engineering and for potential applications such as 'smart bandages' that use electrical stimulation to help heal wounds.
National Science Foundation

Contact: Sarah Yang
University of California - Berkeley

Public Release: 11-Mar-2014
Psychological Science
Gesturing with hands is a powerful tool for children's math learning
Children who use their hands to gesture during a math lesson gain a deep understanding of the problems they are taught, according to new research from University of Chicago's Department of Psychology.
National Institutes of Health, National Science Foundation

Contact: Jann Ingmire
University of Chicago

Public Release: 11-Mar-2014
Plant Cell
Lignin breakthroughs serve as GPS for plant research
By thoroughly mapping a single specialized tissue involved in wood formation, scientists at North Carolina State University have developed the equivalent of turn-by-turn directions for future plant research.
National Science Foundation Plant Genome Research Program Grant, Jordan Endowment at North Carolina State

Contact: D'Lyn Ford
North Carolina State University

Public Release: 11-Mar-2014
Proceedings of the National Academy of Sciences
Excessive deer populations hurt native plant biodiversity
A research team led by Susan Kalisz, professor of evolutionary ecology in the University of Pittsburgh's Department of Biological Sciences, published a paper online today in the Proceedings of the National Academy of Sciences that takes a long view on why invasive garlic mustard plants thrive to the detriment of native species.
National Science Foundation

Contact: Joseph Miksch
University of Pittsburgh

Public Release: 11-Mar-2014
Ecology Letters
Exotic plant species alter ecosystem productivity
In their joint publication in the journal Ecology Letters, German and American biologists have reported an increase in biomass production in ecosystems colonized by non-native plant species. In the face of climate change, these and other changes to ecosystems are predicted to become more frequent, according to the researchers.
USDA/Cooperative State Research, DAAD, NSF/Global Invasions Network

Contact: Tilo Arnhold
Helmholtz Centre for Environmental Research - UFZ

Showing releases 726-750 out of 795.

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