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Public Release: 8-May-2008
Interfaces
Federal polar bear research critically flawed, says study in INFORMS journal
Research done by the US Department of the Interior to determine if global warming threatens the polar bear population is so flawed that it cannot be used to justify listing the polar bear as an endangered species, according to a study being published later this year in Interfaces, a journal of the Institute for Operations Research and the Management Sciences.
The Interior Department has been ordered to make a determination by May 15.
Contact: Barry List
barry.list@informs.org
443-757-3560
Institute for Operations Research and the Management Sciences
Public Release: 8-May-2008
Newest GREET model updates environmental impacts
The newest version of the Greenhouse gases, Regulated Emissions and Energy use in Transportation model from the US Department of Energy's Argonne National Laboratory will provide researchers with even more tools to evaluate and compare the environmental impacts of new transportation fuels and advanced vehicle technologies.
US Department of Energy
Contact: Brock Cooper
bcooper@anl.gov
630-252-5565
DOE/Argonne National Laboratory
Public Release: 7-May-2008
Geophysical Research Letters
Global climate models both agree and disagree with actual Antarctic data
Scientists who compared recorded Antarctic temperatures and snowfall accumulation to predictions by major computer models of global climate change offer both good and bad news. The models' predictions covering the last 50 years broadly follow the actual observed temperatures and snowfall for the southernmost continent, although the observations are very variable. That's the good news.
National Science Foundation, US Department of Energy
Contact: David Bromwich
Bromwich.1@osu.edu
614-292-6692
Ohio State University
Public Release: 7-May-2008
Nature
Rainfall and river networks prove accurate predictors of fish biodiversity
Princeton researchers have invented a method for turning simple data about rainfall and river networks into accurate assessments of fish biodiversity, allowing better prediction of the effects of climate change and the ecological impact of man-made structures like dams.
James S. McDonnell Foundation
Contact: Teresa Riordan
triordan@princeton.edu
609-258-9754
Princeton University, Engineering School
Public Release: 5-May-2008
There's a hole in my -- and in the data as well!
Like the popular children's song "There's a Hole in My Bucket," in which Liza and Henry try to patch a leaking pail, researchers with the San Diego Supercomputer Center at UC-San Diego are plugging a hole in the data management process by creating a universally accepted cyberinfrastructure to study our most valuable natural resource -- water.
Contact: Jan Zverina
jzverina@sdsc.edu
858-534-5111
University of California - San Diego
Public Release: 1-May-2008
Nature
Nature paper describes technique for extracting hierarchical structure of networks
Santa Fe Institute researchers Aaron Clauset, Cristopher Moore, and Mark Newman show that many real-world networks can be understood as a hierarchy of modules, where nodes cluster together to form modules, which themselves cluster into larger modules -- arrangements similar to the organization of sports players into teams, teams into conferences, and conferences into leagues, for example.
Santa Fe Institute
Contact: Aaron Clauset
aaronc@santafe.edu
505-946-2774
Santa Fe Institute
Public Release: 1-May-2008
Organization Science
Women whistleblowers suffer more discrimination, INFORMS-published study suggests
Women who alert authorities to their organizations' wrongdoing perceive they suffer more retaliation than do men, reports an initial study published in the current issue of Organization Science, a journal of the Institute for Operations Research and the Management Sciences.
Contact: Barry List
barry.list@informs.org
443-757-3560
Institute for Operations Research and the Management Sciences
Public Release: 1-May-2008
Journal of Machine Learning Research
Carnegie Mellon technique accelerates biological image analysis
Researchers in Carnegie Mellon University's Lane Center for Computational Biology have discovered how to significantly speed up critical steps in an automated method for analyzing cell cultures and other biological specimens.
National Science Foundation, National Institutes of Health
Contact: Byron Spice
bspice@cs.cmu.edu
412-268-9068
Carnegie Mellon University
Public Release: 25-Apr-2008
PNAS Early Edition
Study links low-frequency hearing to shape of the cochlea
A new study establishes a direct link between the cochlea's curvature and the low-frequency hearing limit of more than a dozen different mammals.
National Institutes of Health, Office of Naval Research, Technical University of Crete, Vanderbilt University
Contact: David F. Salisbury
david.salisbury@vanderbilt.edu
615-343-6803
Vanderbilt University
Public Release: 25-Apr-2008
Nature Physics
Researchers at UCLA engineering discover theoretical model to predict jamming
Researchers at the UCLA Henry Samueli School of Engineering and Applied Science have come up with a theoretical model to predict when granular materials become jammed. This advancement not only broadens fundamental knowledge, it also provides new avenues to a number of practical areas that ranges from materials innovation to medicine. The study, currently available on the Nature Physics Web site, will be published in the journal's print edition on May 1.
US Air Force
Contact: Wileen Wong Kromhout
wwkromhout@support.ucla.edu
310-206-0540
University of California - Los Angeles
Public Release: 24-Apr-2008
European light research opens door for optical storage and computing
The goal of replacing electronics with optics for processing data in computers is coming closer through cutting-edge European research into the mysterious properties of "fast and slow" light. The long-term aim is to boost processing speeds and data storage densities by several orders of magnitude and take the information technology industry into a new era, combining greatly improved performance with dramatically lower energy consumption.
Contact: Marco Santagiustina
marco.santagiustina@unipd.it
39-049-827-7717
European Science Foundation
Public Release: 24-Apr-2008
PLoS Computational Biology
A first: researchers apply efficient coding principle to sense of smell
For the first time, researchers have demonstrated that the efficient coding principle regarding neurobiological processes applies to sense of smell. The team, comprised of researchers from the Czech Academy of Sciences and the French National Institute for Agricultural Research, displays this quantitative relationship in a study of male moths and pheromone plumes, published April 25 in the open-access journal PLoS Computational Biology.
Contact: Mary Kohut
Press@plos.org
415-568-3457
Public Library of Science
Public Release: 24-Apr-2008
Science
Concrete examples don't help students learn math, study finds
A new study challenges the common practice in many classrooms of teaching mathematical concepts by using "real-world," concrete examples. Researchers at Ohio State University's Center for Cognitive Science, found that college students who learned a mathematical concept with concrete examples couldn't apply that knowledge to new situations.
Contact: Jennifer Kaminski
Kaminski.16@osu.edu
614-247-8287
Ohio State University
Public Release: 23-Apr-2008
Optimal online communication
Dutch researcher Peter Korteweg has developed algorithms for wireless networks. The algorithms focus on optimizing communication to a central point in such networks, for example, by minimizing processing times and the communication costs.
Contact: Dr. Leen Stougie
leen@win.tue.nl
Netherlands Organization for Scientific Research
Public Release: 23-Apr-2008
Watch digital TV and films without disruptions thanks to mathematical model
Dutch researcher Alina Weffers-Albu has developed a method to calculate how a device can provide maximum functionality with a minimum quantity of processor and memory capacity. TVs, DVD players and mobile phones can malfunction when the inbuilt chips and software cease to cope with the increasingly large flow of data.
Contact: Dr. Alina Weffers-Albu
alina.albu@philips.com
Netherlands Organization for Scientific Research
Public Release: 23-Apr-2008
Best practice for engineering science faculties
This DFG workshop presents international, exemplary management models.
Contact: Dr. Eva-Maria Streier
em.streier@dfg.de
49-228-885-2250
Deutsche Forschungsgemeinschaft
Public Release: 22-Apr-2008
Midwestern Psychological Association Conference
Psychonomic Bulletin and Review
Numerical information can be persuasive or informative depending on how it's presented
Would you rather support research for a disease that affects 30,000 Americans a year or one that affects just .01 percent of the US population? The numbers represent about the same number of people, but how you answered explains how you understand numerical information, according to a psychology professor at Kansas State University.
Contact: Gary Brase
gbrase@k-state.edu
785-532-0609
Kansas State University
Public Release: 18-Apr-2008
Science
Geometry shapes sound of music
Through the ages, the sound of music in myriad incarnations has captivated human beings and made them sing along, and as scholars have suspected for centuries, the mysterious force that shapes the melodies that catch the ear and lead the voice is none other than math.
Contact: Clifton Callender
clifton.callender@fsu.edu
850-545-0916
Florida State University
Public Release: 17-Apr-2008
Science
The new shape of music
Three music professors -- Clifton Callender at Florida State University, Ian Quinn at Yale University and Dmitri Tymoczko at Princeton University -- have devised a new way of analyzing and categorizing music that takes advantage of the deep, complex mathematics they see enmeshed in its very fabric. Writing in the April 18 issue of Science, the trio has outlined a method called "geometrical music theory" that translates the language of musical theory into that of contemporary geometry.
Contact: Kitta MacPherson
kittamac@princeton.edu
609-258-5729
Princeton University
Public Release: 16-Apr-2008
Security from chaos
There's safety in numbers..especially when those numbers are random. That's the lesson learned from a DHS-sponsored research project out of the University of Southern California. The research is already helping to beef up security at LAX airport in Los Angeles, and it could soon be used across the country to predict and minimize risk.
US Department of Homeland Security
Contact: Gail Cleere
gail.cleere@dhs.gov
202-255-4070
US Department of Homeland Security - Science and Technology
Public Release: 16-Apr-2008
Astrobiology
Is there anybody out there?
A mathematical model produced by professor Andrew Watson at the University of East Anglia suggests that the odds of finding new life on other Earth-like planets are low, given the time it has taken for beings such as humans to evolve and the remaining life span of the Earth.
Contact: Cat Bartman
c.bartman@uea.ac.uk
44-016-035-93007
University of East Anglia
Public Release: 15-Apr-2008
Eurographics 2008
A better fog and smoke machine from computer scientists at UC San Diego
UC San Diego computer scientists have created a fog and smoke machine for computer graphics that cuts the computational cost of making realistic smoky and foggy 3-D images, such as beams of light from a lighthouse piercing thick fog. By cutting the computing costs, the UCSD computer scientists are helping to pull cutting edge graphics techniques out of research labs and into movies and eventually video games and beyond.
National Science Foundation
Contact: Daniel Kane
dbkane@ucsd.edu
858-534-3262
University of California - San Diego
Public Release: 14-Apr-2008
Location spoofing possible with WiFi devices
Apple iPhone and iPod (touch) support a new self-localization feature that uses known locations of wireless access points as well as the device's own ability to detect access points. Now ETH Zurich researchers have demonstrated that positions displayed by the devices using this system can be falsified, making the use of this self-localization system unsuitable in a number of security- and safety-critical applications.
Swiss National Science Foundation
Contact: Srdjan Capkun
srdjan.capkun@inf.ethz.ch
41-044-632-7190
ETH Zurich/Swiss Federal Institute of Technology
Public Release: 14-Apr-2008
Nature Neuroscience
Unconscious decisions in the brain
A team of scientists has unraveled how the brain unconsciously prepares our decisions.
Contact: Prof. Dr. John-Dylan Haynes
haynes@bccn-berlin.de
49-302-093-6762
Max-Planck-Gesellschaft
Public Release: 10-Apr-2008
PLoS Computational Biology
Elastic stresses influence formation of leaf veins
Elastic stresses may play a crucial role in determining a leaf's venation pattern, according to a joint Argentinian-French study published April 11 in the open-access journal PLoS Computational Biology. The researchers have developed a model that reproduces statistical properties of venation patterns, based on the assumption that cells can suffer abrupt elastic distortions during growth. These distortions appear due to the elastic stresses generated by the unequal growth rate of different leaf tissues.
Contact: Mary Kohut
Press@plos.org
415-568-3457
Public Library of Science
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