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  News From the National Science Foundation
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Showing releases 651-675 out of 836.

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Public Release: 10-Jun-2014
The whole truth
Studies have shown that children can figure out when someone is lying to them, but cognitive scientists from MIT recently tackled a subtler question: Can children tell when adults are telling them the truth, but not the whole truth?
National Science Foundation, John Templeton Fndtn, James S. McDonnell Fndtn, Ewha Womans University 21st Century Fellowship

Contact: Sarah McDonnell
Massachusetts Institute of Technology

Public Release: 10-Jun-2014
Proceedings of the National Academy of Sciences
Penn research develops 'onion' vesicles for drug delivery
University of Pennsylvania researchers have shown that a certain kind of dendrimer, a molecule that features tree-like branches, offers a simple way of creating vesicles and tailoring their diameter and thickness. Moreover, these dendrimer-based vesicles self-assemble with concentric layers of membranes, much like an onion.
National Science Foundation

Contact: Evan Lerner
University of Pennsylvania

Public Release: 10-Jun-2014
Proceedings of the Royal Society B
Evolution and venomous snakes: Diet distinguishes look-alikes on 2 continents
On opposite sides of the globe over millions of years, the snakes of North America and Australia independently evolved similar body types that helped them move and capture prey more efficiently.
National Science Foundation

Contact: Jim Erickson
University of Michigan

Public Release: 10-Jun-2014
Proceedings of the Royal Society B
New paper suggests High Tibet was cradle of evolution for cold-adapted mammals
A new study in the Proceedings of the Royal Society B: Biological Sciences identifies a newly discovered 3- to 5- million-year-old Tibetan fox from the Himalayan Mountains, Vulpes qiuzhudingi, as the likely ancestor of the living Arctic fox (Vulpes lagopus), lending support to the idea that the evolution of present-day animals in the Arctic region is intimately connected to ancestors that first became adapted for life in cold regions in the high altitude environments of the Tibetan Plateau.
National Science Foundation, National Geographic Society, Chinese Academy of Science, Ministry of Science and Technology of China, and others

Contact: Kristin Friedrich
Natural History Museum of Los Angeles County

Public Release: 10-Jun-2014
Molecular Ecology
Genetics reveal that reef corals and their algae live together but evolve independently
New research reveals that Caribbean corals and the algae that inhabit them form a remarkably stable relationship -- new knowledge that can serve as an important tool in preserving and restoring vital reef-building corals. The research could be used to decide which heat-tolerant corals to bring into nurseries, to grow, and to replant back on the reef to restore healthy coral populations.
National Science Foundation

Contact: Barbara K. Kennedy
Penn State

Public Release: 9-Jun-2014
Proceedings of the National Academy of Sciences
Seafarers brought Neolithic culture to Europe, gene study indicates
Genetic evidence in modern populations suggests that Neolithic farmers from the Levant traveled mostly by sea to reach Europe. By 7,000 B.C., they were introducing their ideas and their genes to the native Paleolithic people, who had migrated to the continent 30,000 to 40,000 years before.
National Institutes of Health, National Science Foundation, European Union Social Fund

Contact: Leila Gray
University of Washington

Public Release: 9-Jun-2014
Proceedings of the National Academy of Sciences
How much fertilizer is too much for the climate?
Helping farmers around the globe apply more-precise amounts of nitrogen-based fertilizer can help combat climate change. In a new study published in this week's Proceedings of the National Academy of Sciences, Michigan State University researchers provide an improved prediction of nitrogen fertilizer's contribution to greenhouse gas emissions from agricultural fields.
National Science Foundation

Contact: Layne Cameron
Michigan State University

Public Release: 9-Jun-2014
Nature Materials
Designing ion 'highway systems' for batteries
Northwestern University professor Monica Olvera de la Cruz and her research group have married two traditional theories that advance the understanding of plastics for battery application.
National Science Foundation, Air Force Office of Scientific Research

Contact: Megan Fellman
Northwestern University

Public Release: 9-Jun-2014
Engineers design systems to help children with special needs
A group of Kansas State University engineers have developed technology that helps children with severe developmental disabilities.
National Science Foundation's General and Age-Related Disabilities Engineering program

Contact: Steven Warren
Kansas State University

Public Release: 9-Jun-2014
Using Twitter to track flu, Lady Gaga
Interested in the number of tweets about the flu in recent days, weeks or months? Whether the tweets are positive or negative? How they are dispersed geographically down to the street level? Words commonly used with flu? Or, even, predicting of the number of tweets about the flu in the coming days?
National Science Foundation

Contact: Sean Nealon
University of California - Riverside

Public Release: 9-Jun-2014
Proceedings of the National Academy of Sciences
Researchers find major West Antarctic glacier melting from geothermal sources
New research on the Thwaits Glacier will help ice sheet modeling efforts needed to determine when the collapse of the glacier will begin in earnest and at what rate the sea level will increase as it proceeds. The findings, from researchers at the Institute for Geophysics at The University of Texas at Austin, are published in the current edition of the Proceedings of the National Academy of Sciences.
National Science Foundation

Contact: Anton Caputo
University of Texas at Austin

Public Release: 8-Jun-2014
Nature Chemical Biology
New molecule enables quick drug monitoring
Scientists at EPFL have invented a molecule that can easily and quickly show how much drug is in a patient's system. The molecule, now the basis of a start-up company, is expected to enable point-of-care therapeutic drug monitoring.
École polytechnique fédérale de Lausanne, Swiss National Science Foundation, National Centre of Competence in Research Chemical Biology, Defense Threat Reduction

Contact: Nik Papageorgiou
Ecole Polytechnique Fédérale de Lausanne

Public Release: 6-Jun-2014
Nano Letters
Opening a wide window on the nano-world of surface catalysis
A surface catalyst with a built-in sensor: that's what University of South Carolina chemist Hui Wang and co-workers built by bridging a size gap on the nano-scale. Their silver nanoparticles combine plasmon resonance with catalytic activity, making SERS and other analytical data available in real time on a surface catalyst.
National Science Foundation

Contact: Steven Powell
University of South Carolina

Public Release: 5-Jun-2014
UH chemist's work could impact disease management, treatments
A University of Houston chemist hopes his work will one day impact the treatment of such diseases as cancer and malaria by better understanding how molecules react and how atoms come together to form bonds. Jeremy May, an assistant professor of chemistry at UH, received a five-year, $600,000 National Science Foundation CAREER Award to develop synthetic strategies to increase the efficiency and yields of chemical reactions.
National Science Foundation

Contact: Lisa Merkl
University of Houston

Public Release: 5-Jun-2014
Social Science and Medicine
Demographics drive fitness partner decisions online, Penn study finds
According to a new study led by University of Pennsylvania's Damon Centola, participants in an online fitness program ignored the fitness aptitude of their potential partners, instead choosing partners based on age, gender and BMI.
James S. McDonnell Foundation, National Science Foundation

Contact: Joseph J. Diorio
University of Pennsylvania

Public Release: 5-Jun-2014
Proceedings of the National Academy of Sciences
How do phytoplankton survive a scarcity of a critical nutrient?
How do phytoplankton survive when the critical element phosphorus is difficult to find? Researchers from the Woods Hole Oceanographic Institution and the Bigelow Laboratory for Ocean Sciences conducted the most comprehensive survey of the content and distribution of a form of phosphorus called polyphosphate, or poly-P in the western North Atlantic. What they found was surprising.
National Science Foundation

Contact: WHOI Media Office
Woods Hole Oceanographic Institution

Public Release: 5-Jun-2014
Physical Review Letters
A new way to make laser-like beams using 250x less power
With precarious particles called polaritons that straddle the worlds of light and matter, University of Michigan researchers have demonstrated a new, practical and potentially more efficient way to make a coherent laser-like beam.
National Science Foundation

Contact: Nicole Casal Moore
University of Michigan

Public Release: 5-Jun-2014
Applied Physics Letters
Team demonstrates continuous terahertz sources at room temperature
Northwestern University professor Manijeh Razeghi and her team are the first to develop a room-temperature, compact, continuous terahertz radiation source.
National Science Foundation, Department of Homeland Security, Naval Air Systems Command, NASA

Contact: Megan Fellman
Northwestern University

Public Release: 5-Jun-2014
New EU reforms fail European wildlife
Despite political proclamation of increased environmental focus, experts argue that the European Union's recent agricultural reforms are far too weak to have any positive impact on the continent's shrinking farmland biodiversity, and call on member states to take action.
European Commission, Swiss National Science Foundation, Hungarian Academy of Science, Arcadia Fund, Natural Environment Research Council

Contact: Tilo Arnhold
Helmholtz Centre for Environmental Research - UFZ

Public Release: 4-Jun-2014
Design of self-assembling protein nanomachines starts to click
Biological systems produce an incredible array of self-assembling protein tools on a nanoscale, such as molecular motors, delivery capsules and injection devices. Inspired by sophisticated molecular machines naturally found in living things, scientists want to build their own with forms and functions customized to tackle modern day challenges. A new computational method, proven to accurately design protein nanomaterials that arrange themselves into a symmetrical, cage-like structure, may be an important step toward that goal.
Howard Hughes Medical Institute, National Science Foundation, US Airforce, Department of Energy

Contact: Leila Gray
University of Washington

Public Release: 4-Jun-2014
MobiSys '14
Are squiggly lines the future of password security?
As more people use smart phones and tablets to store personal information and perform financial transactions, the need for robust password security is more critical than ever. A new Rutgers study shows that free-form gestures -- sweeping fingers in shapes across the screen -- can be used to unlock phones and grant access to apps. These gestures are less likely to be observed and reproduced by 'shoulder surfers' who spy on users to gain unauthorized access.
National Science Foundation

Contact: Diane Reed
Rutgers University

Public Release: 4-Jun-2014
Testing the waters to fight infections like fish
A novel technology developed at Worcester Polytechnic Institute to block human infections by taking a lesson from fish has landed a $50,000 grant from the National Science Foundation's Innovation Corps program. The WPI team is engineering surfaces with molecules called antimicrobial peptides, several of which have been extracted from fish gills where they serve as the first line of defense against waterborne bacteria and other pathogens.
National Science Foundation

Contact: Michael Cohen
Worcester Polytechnic Institute

Public Release: 4-Jun-2014
Team packs butterfly nets for summer research expedition
A project funded by the National Science Foundation highlights UC's undergraduate research on a global scale.
National Science Foundation

Contact: Dawn Fuller
University of Cincinnati

Public Release: 4-Jun-2014
Proceedings of the National Academy of Sciences
How red tide knocks out its competition
New research reveals how the algae behind red tide thoroughly disables -- but doesn't kill -- other species of algae. The study shows how chemical signaling between algae can trigger big changes in the marine ecosystem.
National Science Foundation

Contact: Brett Israel
Georgia Institute of Technology

Public Release: 4-Jun-2014
Nature Communications
WSU researchers confirm 60-year-old prediction of atomic behavior
Researchers at Washington State University have used a super-cold cloud of atoms that behaves like a single atom to see a phenomenon predicted 60 years ago and witnessed only once since.
National Science Foundation, Army Research Office, Defense Advanced Research Projects Agency

Contact: Peter Engels
Washington State University

Showing releases 651-675 out of 836.

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