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  News From the National Science Foundation
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Showing releases 251-275 out of 746.

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Public Release: 18-Feb-2014
Nature Communications
Quest for jellyfish robot leads to discovery of bending rules for animal wing, fin tips
A Navy-sponsored project to design a biologically inspired, swimming jellyfish robot has led scientists to the surprising discovery of common bending rules for the tips of wings, fins, flukes, mollusk feet, and other propulsors across a broad range of animal species.
Office of Naval Research, National Science Foundation

Contact: Diana Kenney
Marine Biological Laboratory

Public Release: 18-Feb-2014
Nature Chemistry
The thousand-droplets test
In the future, an entire chemistry lab could be accommodated in a tiny little droplet. While simple reactions already work in these simplest models of an artificial cell now a group of scientists of the Cluster of Excellence Nanosystems Initiative Munich have established and investigated for the first time a complex biochemical system. They discovered a surprising diversity.
National Science Foundation, European Commission, German Research Foundation, Bavarian Elite Network

Contact: Dr. Andreas Battenberg
Technische Universitaet Muenchen

Public Release: 18-Feb-2014
International Journal of Epidemiology
More educated people from wealthier areas, women, more likely to die from assisted suicide
Researchers in Switzerland, where assisted suicide is legal, have conducted a study -- published online in the International Journal of Epidemiology today -- that shows assisted suicide is more common in women, the divorced, those living alone, the more educated, those with no religious affiliation, and those from wealthier areas.
Swiss National Science Foundation

Contact: Kirsty Doole
Oxford University Press

Public Release: 17-Feb-2014
Organic Letters
A better way to purify peptide-based drugs
During the production of peptide drugs, amino acids attach to each other in chains, but some of the chains are never completed. To separate these truncated peptides from the good ones, Shiyue Fang's team adds a polymerizable group of atoms to the mix. These atoms bind to either the perfect peptides or the unfinished ones, but not to both. The polymerized peptides become insoluble and precipitate out of the solution.
National Science Foundation

Contact: Marcia Goodrich
Michigan Technological University

Public Release: 16-Feb-2014
2014 AAAS Annual Meeting
Archaeologists lend long-term perspective to food security and climate shock
What role does pre-existing vulnerabilities play for people who experience a climate shock? Does it amplify the effects of the climate shock or is effect negligible? Four Arizona State University archaeologists are looking into this as part of an international team examining how people can be most resilient to climate change when it comes to food security.
National Science Foundation

Contact: Skip Derra
Arizona State University

Public Release: 16-Feb-2014
Volcanoes, including Mt. Hood, can go from dormant to active quickly
A new study suggests that the magma sitting 4-5 kilometers beneath the surface of Oregon's Mount Hood has been stored in near-solid conditions for thousands of years, but that the time it takes to liquefy and potentially erupt is surprisingly short -- perhaps as little as a couple of months.
National Science Foundation

Contact: Adam Kent
Oregon State University

Public Release: 16-Feb-2014
Mount Hood study suggests volcano eruptibility is rare
Forecasts of when a volcano is ready to erupt could be a little closer thanks to work by geologists at UC Davis and Oregon State University.
National Science Foundation

Contact: Andy Fell
University of California - Davis

Public Release: 15-Feb-2014
2014 AAAS Annual Meeting
Top-down and bottom-up approach needed to conserve potato agrobiodiversity
Mashed, smashed and fried, Americans love potatoes, but only a few varieties are grown in much of North American agriculture. In South America, where potatoes originated, more than 5,000 varieties continue to exist. A Penn State geographer is gathering all the information he can about the agrobiodiversity of these uniquely adapted tubers with an eye toward sustainability of this fourth largest food crop worldwide.
National Science Foundation

Contact: A'ndrea Elyse Messer
Penn State

Public Release: 15-Feb-2014
2014 AAAS Annual Meeting
Beat-keeping sea lion shows surprising rhythmic ability
Ronan, a California sea lion at Long Marine Laboratory at University of California Santa Cruz, is the first non-human mammal convincingly shown to be able to keep the beat.
National Science Foundation, Packard Foundation

Contact: Tim Stephens
University of California - Santa Cruz

Public Release: 14-Feb-2014
International Union of Crystallography Journal
Superbright and fast X-rays image single layer of proteins
In biology, a protein's shape is key to understanding how it causes disease or toxicity. Researchers who use X-rays to takes snapshots of proteins need a billion copies of the same protein stacked and packed into a neat crystal. Now, scientists using exceptionally bright and fast X-rays can take a picture that rivals conventional methods with a sheet of proteins just one protein molecule thick.
Department of Energy, National Institutes of Health, National Science Foundation

Contact: Mary Beckman
DOE/Pacific Northwest National Laboratory

Public Release: 14-Feb-2014
Advanced Functional Materials
Rice's carbon nanotube fibers outperform copper
Carbon nanotube-based fibers invented at Rice University have greater capacity to carry electrical current than copper cables of the same mass.
US Department of Energy, National Science Foundation, Robert A. Welch Foundation, Teijin Aramid BV, Air Force Office of Scientific Research, US Department of Defense National Defense Science and Engineering Graduate Fellowship

Contact: David Ruth
Rice University

Public Release: 13-Feb-2014
Environmental Science & Technology
Screening wastewater biosolids for environmental contaminants
Researchers describe a cost-effective method for screening chemicals found in wastewater biosolids used in fertilizer for potential environmental impact. They have used the test to show that triclosan, an antimicrobial agent currently under fire from environmentalists, has troubling concentrations in the environment, and they raise suspicions about three other commonly used antimicrobial products.
National Science Foundation

Contact: Ken Kingery
Duke University

Public Release: 13-Feb-2014
Nature Scientific Reports
Environment influences ability of bacterium to block malaria transmission
The environment significantly influences whether or not a certain bacterium will block mosquitoes from transmitting malaria, according to researchers at Penn State.
National Science Foundation, National Institutes of Health, Pennsylvania Department of Health

Contact: A'ndrea Elyse Messer
Penn State

Public Release: 12-Feb-2014
Global Environmental Change
Dartmouth study shows US Southwest irrigation system facing decline after 4 centuries
Communal irrigation systems known as acequias that have sustained farming villages in the arid southwestern United States for centuries are struggling because of dwindling snowmelt runoff and social and economic factors that favor modernism over tradition, a Dartmouth College study finds.
National Science Foundation

Contact: John Cramer
Dartmouth College

Public Release: 12-Feb-2014
Penn geophysicist teams with mathematicians to describe how river rocks round
A new study by the University of Pennsylvania's Douglas Jerolmack, working with mathematicians at Budapest University of Technology and Economics, have found that rocks follow a distinct pattern as they become rounder, and then smaller, as they travel down riverbeds.
Hungarian Scientific Research Fund, National Science Foundation

Contact: Katherine Unger Baillie
University of Pennsylvania

Public Release: 12-Feb-2014
Monthly Notices of the Royal Astronomical Society
How stellar death can lead to twin celestial jets
Astronomers know that while large stars can end their lives as violently cataclysmic supernovae, smaller stars end up as planetary nebulae -- colorful, glowing clouds of dust and gas. In recent decades these nebulae, once thought to be mostly spherical, have been observed to often emit powerful, bipolar jets of gas and dust. In a theoretical paper, a University of Rochester professor and his student conclude that only "strongly interacting" binary stars can feasibly give rise to these powerful jets.
National Science Foundation

Contact: Leonor Sierra
University of Rochester

Public Release: 12-Feb-2014
Advanced techniques yield new insights into ribosome self-assembly
Ribosomes, the cellular machines that build proteins, are themselves made up of dozens of proteins and a few looping strands of RNA. A new study, reported in the journal Nature, offers new clues about how the ribosome, the master assembler of proteins, also assembles itself.
National Science Foundation, Howard Hughes Medical Institute

Contact: Diana Yates
University of Illinois at Urbana-Champaign

Public Release: 12-Feb-2014
Revision to rules for color in dinosaurs suggests connection between color and physiology
New research revising rules on deciphering color in dinosaurs may provide a tool for understanding the evolutionary emergence of flight and changes in dinosaur physiology. While surveying melanosome shape in fossil and extant specimens, a research team unexpectedly discovered that ancient maniraptoran dinosaurs, paravians, and living mammals and birds uniquely shared the evolutionary development of diverse melanosome shapes related to color. The similarity could relate to a key shift in dinosaurian physiology.
National Science Foundation, Human Frontiers Science Program, Fundamental Research Funds for Central Universities, and others

Contact: J.B. Bird
University of Texas at Austin

Public Release: 12-Feb-2014
New England Journal of Medicine
Worm infections in developing countries: Veterinary drugs improve the health of school children
A new study by the Swiss Tropical and Public Health Institute, published in the New England Journal of Medicine, reveals that the health of millions of children with worm infections could be improved thanks to a veterinary drug. The study represents a vital contribution in the fight against worm infections -- still largely neglected -- in developing countries.
Swiss National Science Foundation, Medicor Foundation

Contact: Jennifer Keiser
Swiss Tropical and Public Health Institute

Public Release: 11-Feb-2014
New weather radar network in Dallas area to provide more frequent, precise storm data
The DFW area becomes first in the nation to host this next generation of small, near-surface, fine-scale, rapidly updating weather radar developed by researchers at the Center for Collaborative Adaptive Sensing of the Atmosphere led by UMass Amherst with partners at Colorado State University and the University of Oklahoma.
National Science Foundation

Contact: Janet Lathrop
University of Massachusetts at Amherst

Public Release: 11-Feb-2014
OU next-generation radar deployed in DFW area
University of Oklahoma next generation radar was deployed in Addison, Texas, today as part of a new cutting-edge system designed to save lives and property by providing near-surface, fine-scale, rapidly updated information on severe weather. The Dallas-Fort Worth Urban Demonstration Network is a five-year, $10 million joint venture between OU, the University of Massachusetts and Colorado State University.
National Science Foundation

Contact: Jana Smith
University of Oklahoma

Public Release: 11-Feb-2014
Journal of Neurophysiology
No clowning around: Juggling sheds light on how we run
Juggling may seem like mere entertainment, but engineers used this circus skill to gather critical clues about how vision and the sense of touch help control the way humans and animals move their limbs in a repetitive way, such as in running. The findings eventually may aid in the treatment of people with neurological diseases and could lead to prosthetic limbs and robots that move more efficiently.
National Science Foundation

Contact: Phil Sneiderman
Johns Hopkins University

Public Release: 11-Feb-2014
Source of 'moon curse' revealed by eclipse
Signals bounced off reflectors on the lunar surface return surprisingly faint echoes on full moon nights. Scientists think it's the result of uneven heating of the reflective lenses, which would alter their refractive index, dispersing the return beam, and they found compelling evidence for this explanation during an eclipse as Earth's shadow passed over each reflector in turn.
National Science Foundation, NASA

Contact: Susan Brown
University of California - San Diego

Public Release: 11-Feb-2014
Population and Environment
Population bomb may be defused, but research reveals ticking household bomb
After decades of fretting about population explosion, scientists are pointing to a long-term hidden global menace. The household. More specifically, the household explosion.
National Science Foundation

Contact: Sue Nichols
Michigan State University

Public Release: 11-Feb-2014
Nature Communications
Researchers discover 'epic' new Burgess Shale site in Canada's Kootenay National Park
Yoho National Park's 505-million-year-old Burgess Shale -- home to some of the planet's earliest animals, including a very primitive human relative -- is one of the world's most important fossil sites. Now, more than a century after its discovery, a compelling sequel has been unearthed: 42 kilometers away in Kootenay National Park, a new Burgess Shale fossil site has been located that appears to equal the importance of the original discovery, and may one day even surpass it.
Natural Sciences and Engineering Research Council of Canada, National Science Foundation

Contact: Christine Elias
University of Toronto

Showing releases 251-275 out of 746.

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