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  News From the National Science Foundation
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Key: Meeting M      Journal J      Funder F

Showing releases 701-725 out of 861.

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Public Release: 7-Jul-2014
Science and cookies: Researchers tap into citizen science to shed light on ant diversity
Scientists from North Carolina State University and the University of Florida have combined cookies, citizen science and robust research methods to track the diversity of ant species across the United States, and are now collaborating with international partners to get a global perspective on how ants are moving and surviving in the modern world.
National Science Foundation

Contact: Matt Shipman
North Carolina State University

Public Release: 7-Jul-2014
Proceedings of the National Academy of Sciences
DNA of 'Evolution Canyon' fruit flies reveals drivers of evolutionary change
An international team of researchers led by scientists with the Virginia Bioinformatics Institute at Virginia Tech has peered into the DNA of fruit flies that live hardly a puddle jump apart in a natural environment known as 'Evolution Canyon' in Mount Carmel, Israel, discovering how these animals have been able to adapt and survive in such close, but extremely different, environments.
United States-Israel Binational Science Foundation, Ancell Teicher Research Foundation

Contact: Tiffany Trent
Virginia Tech

Public Release: 7-Jul-2014
Proceedings of the National Academy of Sciences
Scientist identifies world's biggest-ever flying bird
Scientists have identified the fossilized remains of an extinct giant bird that could be the biggest flying bird ever found. With an estimated 20- to 24-foot wingspan, the creature surpassed the previous record holder -- an extinct bird named Argentavis magnificens -- and was twice as big as the Royal albatross, the largest flying bird today. Computer simulations show that the bird's long slender wings helped it stay aloft despite its enormous size.
National Science Foundation

Contact: Robin Ann Smith
National Evolutionary Synthesis Center (NESCent)

Public Release: 7-Jul-2014
Current Biology
Why 'whispers' among bees sometimes evolve into 'shouts'
Let's say you're a bee and you've spotted a new and particularly lucrative source of nectar and pollen. What's the best way to communicate the location of this prize cache of food to the rest of your nestmates without revealing it to competitors, or 'eavesdropping' spies, outside of the colony?
National Science Foundation, Animal Behavior Society

Contact: Kim McDonald
University of California - San Diego

Public Release: 6-Jul-2014
Nature Climate Change
Rewriting the history of volcanic forcing during the past 2,000 years
A team of scientists led by Michael Sigl and Joe McConnell of Nevada's Desert Research Institute have completed the most accurate and precise reconstruction to date of historic volcanic sulfate emissions in the Southern Hemisphere. The new record, described in the online edition of Nature Climate Change, is derived from a large number of individual ice cores collected at locations across Antarctica and is the first annually resolved record extending through the Common Era.
National Science Foundation

Contact: Justin Broglio
Desert Research Institute

Public Release: 6-Jul-2014
Discovery provides insights on how plants respond to elevated CO2 levels
Biologists at UC San Diego have solved a long-standing mystery concerning the way plants reduce the numbers of their breathing pores in response to rising carbon dioxide levels in the atmosphere.
National Science Foundation, National Institutes of Health, US Department of Energy

Contact: Kim McDonald
University of California - San Diego

Public Release: 3-Jul-2014
Controversial clues of 2 'Goldilocks planets' that might support life are proven false
Mysteries about controversial signals from a star considered a prime target in the search for extraterrestrial life now have been solved. The research proves, for the first time, that some of the signals actually are from events inside the star itself, not from the two so-called 'Goldilocks planets,' which were suspected to be just-right for life and orbiting the star at a distance where liquid water potentially could exist. No planets there, just star burps.
National Science Foundation, NASA, Penn State University, Pennsylvania Space Grant Consortium

Contact: Barbara K. Kennedy
Penn State

Public Release: 3-Jul-2014
Columbia researchers observe tunable quantum behavior in bilayer graphene
Columbia researchers have observed the fractional quantum Hall effect in bilayer graphene and shown that this exotic state of matter can be tuned by an electric field.
Department of Defense, Department of Energy, National Science Foundation, DARPA

Contact: Beth Kwon
Columbia University

Public Release: 3-Jul-2014
Discovery expands search for Earth-like planets
A newly discovered planet in a binary star system located 3,000 light-years from Earth is expanding astronomers' notions of where Earth-like -- and even potentially habitable -- planets can form, and how to find them.
National Science Foundation, NASA

Contact: Pam Frost Gorder
Ohio State University

Public Release: 2-Jul-2014
NSF awards UT Arlington three-year $250,000 research grant on hazard mitigation
A three-year, $250,000 National Science Foundation grant will match six undergraduate students with a Spanish technical institute so they can learn how to prepare civil infrastructure for natural, manmade and accidental disasters and how to recover quickly from such events.
National Science Foundation

Contact: Herb Booth
University of Texas at Arlington

Public Release: 2-Jul-2014
A million times better
Nonlinear optical materials are widely used in laser systems. However, high light intensity and long propagation are required to produce strong nonlinear optical effects. Researchers at the University of Texas at Austin and the Technische Universitaet Muenchen created metamaterials with a million times stronger nonlinear optical response, compared to the traditional nonlinear materials, and demonstrated frequency conversion in films 100 times thinner than human hair using light intensity comparable to that of a laser pointer.
National Science Foundation, Air Force Office of Scientific Research, Office of Naval Research, German Research Foundation

Contact: Dr. Andreas Battenberg
Technische Universitaet Muenchen

Public Release: 2-Jul-2014
Researchers invent 'meta mirror' to help advance nonlinear optical systems
A research team led by the University of Texas at Austin created a nonlinear mirror that could advance laser systems. The metamaterials were created with nonlinear optical response a million times as strong as traditional nonlinear materials.
National Science Foundation, Air Force Office of Scientific Research, Office of Naval Research

Contact: Sandra Zaragoza
University of Texas at Austin

Public Release: 2-Jul-2014
Experimental Cell Research
Stem cell type resists chemotherapy drug
In lab tests, Brown University researchers have found that adipose-derived stem cells, which can generate bone tissue, appear resistant to the toxicity of the chemotherapy drug methotrexate, which degrades bone in patients such as kids suffering from acute lymphoblastic leukemia. The newly published findings are preliminary but more tests are planned.
National Insitutes of Health, National Science Foundation

Contact: David Orenstein
Brown University

Public Release: 2-Jul-2014
ACM Journal on Emerging Technologies in Computing Systems
Research could lead to dramatic energy savings at data farms
Washington State University has developed a wireless network on a computer chip that could reduce energy consumption at huge data farms by as much as 20 percent.
National Science Foundation, Army Research Office

Contact: Partha Pande, WSU School of Electrical Engineering
Washington State University

Public Release: 1-Jul-2014
UH chemical engineer makes device fabrication easier, thanks to NSF grant
University of Houston chemical and biomolecular engineer Gila Stein received a $279,411, three-year grant from the National Science Foundation to build models that can explain the complex physical and chemical reactions that take place in lithography systems used for device fabrication.
National Science Foundation

Contact: Audrey Grayson
University of Houston

Public Release: 1-Jul-2014
Plants respond to leaf vibrations caused by insects' chewing, MU study finds
Previous studies have suggested that plant growth can be influenced by sound and that plants respond to wind and touch. Now, researchers at the University of Missouri, in a collaboration that brings together audio and chemical analysis, have determined that plants respond to the sounds that caterpillars make when eating plants and that the plants respond with more defenses.
National Science Foundation

Contact: Jeff Sossamon
University of Missouri-Columbia

Public Release: 1-Jul-2014
Journal of CO2 Utilization
Solar panels light the way from carbon dioxide to fuel
Researchers in the laboratory of Andrew Bocarsly, a Princeton professor of chemistry, collaborated with start-up company Liquid Light Inc. of Monmouth Junction, N.J., to devise an efficient method for harnessing sunlight to convert carbon dioxide into a potential alternative fuel known as formic acid.
National Science Foundation

Contact: Tien Nguyen
Princeton University

Public Release: 1-Jul-2014
New Phytologist
Clemson scientists: Kudzu can release soil carbon, accelerate global warming
Clemson University scientists are shedding new light on how invasion by exotic plant species affects the ability of soil to store greenhouse gases. The research could have far-reaching implications for how we manage agricultural land and native ecosystems.
US Department of Agriculture, National Science Foundation

Contact: Nishanth Tharayil
Clemson University

Public Release: 1-Jul-2014
10th US National Conference on Earthquake Engineering (10NCEE)
New bridge design improves earthquake resistance, reduces damage and speeds construction
Researchers have developed a new design for the framework of columns and beams that support bridges, called 'bents,' to improve performance for better resistance to earthquakes, less damage and faster on-site construction.
National Science Foundation

Contact: Emil Venere
Purdue University

Public Release: 1-Jul-2014
New Wayne State research to improve energy efficiency and lessen environmental pollutants
A Wayne State University professor has been awarded a National Science Foundation Faculty Early Career Development Award, the agency's most prestigious award for up-and-coming researchers in science and engineering. The five-year, nearly $406,000 grant was awarded to Eranda Nikolla, Ph.D., assistant professor of chemical engineering in the College of Engineering, for the project 'Tailoring the nature of the active site of Ni electrocatalysts for electrochemical co-reduction of CO2 and H2O'.
National Science Foundation

Contact: Julie O'Connor
Wayne State University - Office of the Vice President for Research

Public Release: 1-Jul-2014
Proceedings of the National Academy of Sciences
Muscle-powered bio-bots walk on command
A new generation of miniature biological robots is flexing its muscle. Engineers at the University of Illinois at Urbana-Champaign demonstrated a class of walking 'bio-bots' powered by muscle cells and controlled with electrical pulses, giving researchers unprecedented command over their function.
National Science Foundation

Contact: Liz Ahlberg
University of Illinois at Urbana-Champaign

Public Release: 1-Jul-2014
Nature Communications
Tags reveal Chilean devil rays are among ocean's deepest divers
Thought to dwell mostly near the ocean's surface, Chilean devil rays (Mobula tarapacana) are most often seen gliding through shallow, warm waters. But a new study by scientists at WHOI and international colleagues reveals that these large and majestic creatures are actually among the deepest-diving ocean animals.
National Science Foundation, King Abdullah University of Science and Technology, Harrison Foundation, Portuguese Foundation

Contact: WHOI Media Office
Woods Hole Oceanographic Institution

Public Release: 30-Jun-2014
Nature Methods
Using geometry, researchers coax human embryonic stem cells to organize themselves
By confining colonies of human embryonic stem cells to tiny circular patterns on glass plates, researchers have for the first time coaxed them into organizing themselves just as they would under natural conditions.
New York Stem Cell Foundation, National Institutes of Health, National Science Foundation, Human Frontier Science Program

Contact: Zach Veilleux
Rockefeller University

Public Release: 30-Jun-2014
New study: Ancient Arctic sharks tolerated brackish water 50 million years ago
Sharks were a tolerant bunch some 50 million years ago, cruising an Arctic Ocean that contained about the same percentage of freshwater as Louisiana's Lake Ponchatrain does today, says a new study involving the University of Colorado Boulder and the University of Chicago.
National Science Foundation

Contact: Jaelyn Eberle
University of Colorado at Boulder

Public Release: 30-Jun-2014
Journal of Computational Physics
19th century math tactic gets a makeover -- and yields answers up to 200 times faster
A relic from long before the age of supercomputers, the 169-year-old math strategy called the Jacobi iterative method is widely dismissed today as too slow to be useful. But thanks to a curious, numbers-savvy Johns Hopkins engineering student and his professor, it may soon get a new lease on life.
National Science Foundation, Office of Naval Research

Contact: Phil Sneiderman
Johns Hopkins University

Showing releases 701-725 out of 861.

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