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  News From the National Science Foundation
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Showing releases 751-775 out of 1103.

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Public Release: 26-Jun-2017
Nature Microbiology
Discovery of a new mechanism for bacterial division
EPFL scientists show how some pathogenic bacteria -- such as the mycobacteria that cause tuberculosis -- use a previously unknown mechanism to coordinate their division. The discovery could help develop new ways to fight them.
Swiss National Science Foundation, Innovative Medicines Initiative, European Union Seventh Framework Programme, European Molecular Biology Organization

Contact: Nik Papageorgiou
Ecole Polytechnique Fédérale de Lausanne

Public Release: 26-Jun-2017
Proceedings of the National Academy of Sciences
Animals, not drought, shaped our ancestors' environment
This shows that the expansion of grasslands isn't solely due to drought, but more complex climate factors are at work, both for modern Africans now and ancient Africans in the Pleistocene.
Geological Society of America, Leakey Foundation, National Geographic Society, National Science Foundation, SigmaXi, Wenner-Gren Foundation

Contact: Paul Gabrielsen
University of Utah

Public Release: 26-Jun-2017
Nature Chemical Biology
Pulling the tablecloth out from under essential metabolism
Most organisms share the biosynthetic pathways for making crucial nutrients because it is is dangerous to tinker with them. But now a collaborative team of scientists has caught plants in the process of altering where and how cells make an essential amino acid.
National Science Foundation

Contact: Diana Lutz
Washington University in St. Louis

Public Release: 26-Jun-2017
Proceedings of the National Academy of Sciences
Messages with moral-emotional words are more likely to go viral on social media
Tweets about political topics that include moral and emotional language are more likely to spread within the ideological networks of the sender, a team of researchers has found. Its study examined Twitter messages related to gun control, climate change, and same-sex marriage.
National Science Foundation

Contact: James Devitt
New York University

Public Release: 23-Jun-2017
Physical Review X
Atomic imperfections move quantum communication network closer to reality
An international team led by the University of Chicago's Institute for Molecular Engineering has discovered how to manipulate a weird quantum interface between light and matter in silicon carbide along wavelengths used in telecommunications.
Army Research Office, Air Force Office of Scientific Research, National Science Foundation, US Department of Energy, Swedish Research Council, ĹForsk Foundation, Carl-Trygger Stiftelse för Vetenskaplig Forsaking

Contact: Mark Peters
University of Chicago

Public Release: 23-Jun-2017
Science Advances
Research accelerates quest for quicker, longer-lasting electronics
In the world of electronics, where the quest is always for smaller and faster units with infinite battery life, topological insulators (TI) have tantalizing potential. In a paper published today in 'Science Advances,' Jing Shi, a professor of physics and astronomy at UC Riverside and colleagues MIT and Arizona State University report they have created a TI film just 25 atoms thick that adheres to an insulating magnetic film, creating a 'heterostructure.'
US Department of Energy, National Science Foundation, Office of Naval Research

Contact: Sarah Nightingale
University of California - Riverside

Public Release: 23-Jun-2017
Brain and Behavior
Chatter in the deep brain spurs empathy in rats
By combining electrical monitoring of neural activity with machine learning, a team of Duke and Stanford University neuroscientists has tuned into the brain chatter of rats engaged in helping other rats. The results clarify earlier conflicting findings on the role of specific brain regions, such as the insula, in guiding antisocial and psychopathic behavior, and may shed light on how to encourage altruistic behavior in humans.
National Science Foundation Graduate Fellowship, Imitatio Foundation, Duke Research Incubator Award, One Mind Institute Rising Star Award, National Institutes of Health

Contact: Kara Manke
Duke University

Public Release: 22-Jun-2017
Applied Energy
New design improves performance of flexible wearable electronics
In a proof-of-concept study, North Carolina State University engineers have designed a flexible thermoelectric energy harvester that has the potential to rival the effectiveness of existing power wearable electronic devices using body heat as the only source of energy.
National Science Foundation

Contact: Mehmet Ozturk
North Carolina State University

Public Release: 22-Jun-2017
Applied Catalysis B Environmental
UK chemistry researchers develop catalyst that mimics the z-scheme of photosynthesis
Published in Applied Catalysis B: Environmental, the study demonstrates a process with great potential for developing technologies for reducing CO2 levels.
National Science Foundation

Contact: Jenny Wells
University of Kentucky

Public Release: 22-Jun-2017
BMC Genomics
How pythons regenerate their organs and other secrets of the snake genome
Snakes exhibit incredible evolutionary adaptations, including the ability to rapidly regenerate their organs and produce venom. The Castoe group at the University of Texas at Arlington studied these adaptations using genetic sequencing and advanced computing. Supercomputers of the Texas Advanced Computing Center helped the team identify a number of genes associated with organ growth in Burmese pythons, study secondary contact in related rattlesnake species, and develop tools to recognize evolutionary changes caused by natural selection.
National Science Foundation, National Institutes of Health

Contact: Aaron Dubrow
University of Texas at Austin, Texas Advanced Computing Center

Public Release: 22-Jun-2017
UTA to develop solution ensuring better user experience with data center optimization
Hao Che, a professor in the Department of Computer Science and Engineering at The University of Texas at Arlington, and Hong Jiang, the Wendell H. Nedderman Professor and department chair of CSE, believe they have a mathematical solution that will allow outstanding user experiences while balancing computing and network resource allocation.
National Science Foundation

Contact: Herb Booth
University of Texas at Arlington

Public Release: 22-Jun-2017
Journal of the Mechanical Behavior of Biomedical Materials
Sea sponges stay put with anchors that bend but don't break
The anchors that hold Venus' flower basket sea sponges to the ocean floor have an internal architecture that increases their ability to bend, according to a new study. Understanding that natural architecture could inform future human-made materials.
National Science Foundation, American Society of Engineers

Contact: Kevin Stacey
Brown University

Public Release: 22-Jun-2017
Psychological Science
White people show race bias when judging deception
When making judgments about who is lying and who is telling the truth, new research shows that White people are more likely to label a Black person as a truth-teller compared with a White person, even though their spontaneous behavior indicates the reverse bias. The findings are published in Psychological Science, a journal of the Association for Psychological Science.
National Science Foundation

Contact: Anna Mikulak
Association for Psychological Science

Public Release: 22-Jun-2017
Nature Communications
How protons move through a fuel cell
Hydrogen is regarded as the energy source of the future: It is produced with solar power and can be used to generate heat and electricity in fuel cells. Empa researchers have now succeeded in decoding the movement of hydrogen ions in crystals -- a key step towards more efficient energy conversion in the hydrogen industry of tomorrow.
Swiss National Science Foundation, EU FP6 Framework Program

Contact: Dr. Artur Braun
Swiss Federal Laboratories for Materials Science and Technology (EMPA)

Public Release: 22-Jun-2017
Nature Ecology & Evolution
Lessons from whale population collapse could help future species at risk
A study of historic whaling records has revealed there were warning signs that populations of commercially harvested whales were heading for global collapse up to 40 years before the event. The research by scientists from IMAS and Switzerland's University of Zurich has the potential for application to other species to pinpoint early warning signs that a population is at risk of collapse due to pressures such as overfishing or climate change.
Swiss National Science Foundation: European Research Council

Contact: Andrew Rhodes
University of Tasmania - Institute for Marine and Antarctic Studies

Public Release: 22-Jun-2017
Switchable DNA mini-machines store information
Biomedical engineers have built simple machines out of DNA, consisting of arrays whose units switch reversibly between two different shapes. The arrays' inventors say they could be harnessed to make nanotech sensors or amplifiers. Potentially, they could be combined to form logic gates, the parts of a molecular computer.
National Science Foundation, Marcus Foundation, Office of Naval Research, National Natural Scientific Foundation of China

Contact: Quinn Eastman
Emory Health Sciences

Public Release: 22-Jun-2017
New efficient, low-temperature catalyst for hydrogen production
Scientists have developed a new low-temperature catalyst for producing high-purity hydrogen gas while simultaneously using up carbon monoxide (CO). The discovery could improve the performance of fuel cells that run on hydrogen fuel but can be poisoned by CO.
DOE/Office of Science, National Basic Research Program of China, Chinese Academy of Sciences, National Natural Science Foundation of China, Fundamental Research Funds for the Central Universities of China, National Science Foundation

Contact: Karen McNulty Walsh
DOE/Brookhaven National Laboratory

Public Release: 21-Jun-2017
Biology Letters
Pollinator extinctions alter structure of ecological networks
The absence of a single dominant bumblebee species from an ecosystem disrupts foraging patterns among a broad range of remaining pollinators in the system -- from other bees to butterflies, beetles and more, field experiments show.
National Science Foundation, Emory University, UC-Santa Cruz, Rocky Mountain Biological Laboratory

Contact: Carol Clark
Emory Health Sciences

Public Release: 21-Jun-2017
African leopards revealed: Study documents minute-to-minute behavior of elusive cats
The elusive behavior of the African leopard has been revealed in great detail for the first time as part of a sophisticated study that links the majestic cat's caloric demands and its drive to kill.
National Science Foundation, LSB Leakey Foundation, UC Davis Committee on Research

Contact: Jennifer McNulty
University of California - Santa Cruz

Public Release: 21-Jun-2017
Applied Soft Computing
New IST research leverages big data to predict severe weather
Every year, severe weather endangers millions of people and causes billions of dollars in damage worldwide. But new research from Penn State's College of Information Sciences and Technology (IST) and AccuWeather has found a way to better predict some of these threats by harnessing the power of big data.
National Science Foundation

Contact: Erin Cassidy Hendrick
Penn State

Public Release: 21-Jun-2017
Proceedings of the National Academy of Sciences
Reconstruction of ancient chromosomes offers insight into mammalian evolution
Researchers have gone back in time, at least virtually, computationally recreating the chromosomes of the first eutherian mammal, the long-extinct, shrewlike ancestor of all placental mammals.
Biotechnology and Biological Sciences Research Council, National Institutes of Health, National Science Foundation, Ministry of Science, ICT & Future Planning of Korea, Ministry of Education of Korea and the Rural Development Administration of Korea

Contact: Andy Fell
University of California - Davis

Public Release: 21-Jun-2017
Scientific Reports
When lovers touch, their breathing and heartbeat syncs, pain wanes, study shows
A new study by pain researchers from University of Colorado and University of Haifa found that when an empathetic partner holds a lover's hand, their heart rates and breathing rates sync and her pain subsides. Authors say such 'interpersonal synchronization' could play a role in the analgesic impacts of touch.
Binational Science Foundation

Contact: Lisa Ann Marshall
University of Colorado at Boulder

Public Release: 21-Jun-2017
Journal of Materials Chemistry C
CWRU researchers find a chemical solution to shrink digital data storage
Chemists at Case Western Reserve University found that commonly used polymer films containing two dyes can optically store data in a quaternary (four-symbol) code, potentially requiring about half as much space as binary code storage.
National Science Foundation

Contact: Kevin Mayhood
Case Western Reserve University

Public Release: 21-Jun-2017
Annals of the American Association of Geographers
New flood study reveals America's most vulnerable communities
Floods are the natural disaster that kill the most people. They are also the most common natural disaster. As the threat of flooding increases worldwide, a group of scientists at LSU have gathered valuable information on flood hazard, exposure and vulnerability in counties throughout the US
National Science Foundation

Contact: Alison Satake
Louisiana State University

Public Release: 20-Jun-2017
EPJ Data Science
Study finds most people aren't as happy as their friends on social media
A study led by computer scientists at Indiana University has found that people with the most connections on social media are also happier. This may cause most social media users to not only regard themselves as less popular than their friends but also less happy.
National Science Foundation, Defense Advance Research Projects Agency

Contact: Kevin D. Fryling
Indiana University

Showing releases 751-775 out of 1103.

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