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  News From the National Science Foundation
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Showing releases 601-625 out of 1114.

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Public Release: 20-Jul-2017
Nature Communications
USF biologists find frog's future health influenced by gut microbes as tadpoles
University of South Florida biologists have found that a crucial window in the development of tadpoles may influence a frog's later ability to fight infectious diseases as an adult.
National Science Foundation, British Ecological Society, National Institutes of Health, US, Department of Agriculture, Environmental Protection Agency.

Contact: Adam Freeman
University of South Florida (USF Innovation)

Public Release: 20-Jul-2017
Nature Communications
In frogs, preventing early-life gut microbiome disruptions leads to better health
Biologists at the University of Connecticut and University of South Florida have found that a crucial window in the development of tadpoles may influence a frog's ability to fight infectious diseases as an adult. The scientists showed that an early-life disruption of the gut and skin bacterial communities of tadpoles later affects the adult frogs' ability to fight off parasitic gut worms.
National Science Foundation, British Ecological Society, National Institutes of Health, US Department of Agriculture, Environmental Protection Agency

Contact: Elaina Hancock
University of Connecticut

Public Release: 20-Jul-2017
Researchers discover how CRISPR proteins find their target
In addition to the Cas9 protein that bacteria use to bind and snip DNA, bacteria have other Cas proteins that know where to insert that viral DNA into the CRISPR region to remember which viruses have attacked and mount a defense. A UC Berkeley team has discovered how these proteins -- Cas1 and Cas2 -- locate and insert the viral DNA, and it relies on the flexibility of these enzymes and the shape of the DNA.
National Science Foundation, NIH/National Institute of General Medicine Sciences

Contact: Robert Sanders
University of California - Berkeley

Public Release: 20-Jul-2017
Nature Communications
First direct observation and measurement of ultra-fast moving vortices in superconductors
Researchers have made the first direct visual observation and measurement of ultra-fast vortex dynamics in superconductors. Their technique, detailed in the journal Nature Communications, could contribute to the development of novel practical applications by optimizing superconductor properties for use in electronics. In photos and videos shown for the first time, the vortices are moving at velocities much faster than previously thought possible -- up to about 72,000 km/hr (45,000 mph).
US-Israel Binational Science Foundation, Israel Science Foundation, US Department of Energy, Research Foundation-Flanders, Mandat d'Impulsion Scientifique

Contact: Dov Smith
The Hebrew University of Jerusalem

Public Release: 19-Jul-2017
UTA biologist wins NSF CAREER grant to study effects of predators on evolution of Daphnia
Matthew Walsh, an assistant professor of biology, has been awarded a five-year, $600,000 grant from the NSF's Faculty Early Career Development Program. His project is titled 'CAREER: Does behavioral plasticity promote or constrain adaptation? A test using resurrection,' and will address a long-standing question in evolutionary biology.
National Science Foundation

Contact: Louisa Kellie
University of Texas at Arlington

Public Release: 19-Jul-2017
Current Biology
Penn researchers engineer macrophages to engulf cancer cells in solid tumors
In a recent study, human macrophages were engineered to ignore the 'don't eat me' signal both healthy and cancerous cells exhibit. Combined with cancer-specific targeting antibodies, these engineered macrophages invaded and engulfed human tumor cells in a mouse model.
National Institutes of Health, National Science Foundation

Contact: Evan Lerner
University of Pennsylvania

Public Release: 19-Jul-2017
Scientific Reports
Here's a tip: Indented cement shows unique properties
Three key molecular mechanisms control the mechanics of layered crystals such as tobermorite, a natural crystal used by the Romans to make concrete.
National Science Foundation

Contact: David Ruth
Rice University

Public Release: 19-Jul-2017
Science Advances
A common underlying genetic basis for social behavior in dogs and humans
In a new study published in the journal Science Advances, an interdisciplinary team of researchers, including those from Princeton University, identified genetic changes that are linked to dogs' human-directed social behaviors and suggest there is a common underlying genetic basis for hyper-social behavior in both dogs and humans.
Princeton's Department of Ecology and Evolutionary Biology, Office of the Dean of the College, Council on Science and Technology, National Science Foundation, National Institutes of Health

Contact: Pooja Makhijani
Princeton University

Public Release: 19-Jul-2017
Nature Scientific Reports
Are magnets the secret to Elastigirl's powers?
Under certain conditions, the magnetic properties of a material can predict the relationship between its elasticity and temperature, a University of Nebraska-Lincoln physicist has found. Given the ease with which magnetic fields can be manipulated, the study hints that elasticity could someday be tailored with the press of a button or turn of a knob.
National Science Foundation, Nebraska Materials Research Science and Engineering Center

Contact: Christian Bynek, physics professor
University of Nebraska-Lincoln

Public Release: 19-Jul-2017
Science Advances
Why are dogs such doting companions? It's in their genes
Researchers have identified a genetic difference in domesticated dogs and wolves that could explain the canines' contrasting social interaction with humans.
National Science Foundation, National Institutes of Health

Contact: Monique Udell
Oregon State University

Public Release: 19-Jul-2017
Scientific Reports
Researchers create new technique for manipulating polarization of terahertz radiation
Brown University researchers have developed a new kind of polarizing beamsplitter for terahertz radiation, which could prove useful in imaging and communications systems.
National Science Foundation

Contact: Kevin Stacey
Brown University

Public Release: 19-Jul-2017
Nature Communications
Simulation reveals universal signature of chaos in ultracold reactions
Researchers have performed the first ever quantum-mechanical simulation of the benchmark ultracold chemical reaction between potassium-rubidium (KRb) and a potassium atom, opening the door to new controlled chemistry experiments and quantum control of chemical reactions that could spark advances in quantum computing and sensing technologies.
Laboratory Directed Research and Development program at Los Alamos, Army Research Office's Multidisciplinary University Research Initiative, National Science Foundation, US Air Force Office of Science

Contact: Nancy Ambrosiano
DOE/Los Alamos National Laboratory

Public Release: 19-Jul-2017
Despite a great grip, geckos sometimes slip
A new theoretical study examines for the first time the limits of geckos' gripping ability in natural contexts.
National Science Foundation

Contact: Joe Schwartz
Cornell University

Public Release: 19-Jul-2017
NSF grant supports research into geospatial intelligence during civil rights era
During the civil rights movement, activist groups such as the Student Nonviolent Coordinating Committee (SNCC) used geography and geospatial intelligence to identify protest sites and to plan civil rights protests. A new $373,000 National Science Foundation grant is letting researchers dig into those geospatial tactics to see what can be learned about patterns of racial inequality and how the SNCC collected and leveraged geospatial intelligence data to bolster its activist efforts.
National Science Foundation

Contact: A'ndrea Elyse Messer
Penn State

Public Release: 19-Jul-2017
Physics Review Letters
Scientists reveal new connections between small particles and the vast universe
Are density distributions of the vast universe and the nature of smallest particles related? In a recent research, scientists from HKUST and Harvard University revealed the connection between those two aspects, and argued that our universe could be used as a particle physics 'collider' to study the high energy particle physics. Their findings mark the first step of cosmological collider phenomenology and pave the way for future discovery of new physics unknown yet to mankind.
National Science Foundation, Research Grants Council of Hong Kong

Contact: Johnny Tam
Hong Kong University of Science and Technology

Public Release: 19-Jul-2017
Science Robotics
No battery, no wire, no problem
Folding robots based on origami have emerged as an exciting new frontier of robotic design, but generally require onboard batteries or a wired connection to a power source, limiting their functionality. A team of researchers at the Wyss Institute has created battery-free folding robots that are capable of complex, repeatable movements powered and controlled through a wireless magnetic field.
National Science Foundation, ARL DURIP, Swiss National Science Foundation

Contact: Lindsay Brownell
Wyss Institute for Biologically Inspired Engineering at Harvard

Public Release: 19-Jul-2017
Researchers find path to discovering new topological materials
Researchers have found a recipe for discovering new topological materials, which have exotic electronic properties that hold promise for future technologies. Until now, finding these materials has been a matter of trial and error.
National Science Foundation, Office of Naval Research, Simons Investigator Award, David & Lucile Packard Foundation

Contact: Catherine Zandonella
Princeton University

Public Release: 19-Jul-2017
A uranium-based compound improves manufacturing of nitrogen products
EPFL scientists have developed a uranium-based complex that can allow nitrogen fixation reactions to take place in ambient conditions. The work overcomes one of the biggest difficulties to building more efficient industrial-scale nitrogen products like ammonia.
Swiss National Science Foundation, EPFL

Contact: Nik Papageorgiou
Ecole Polytechnique Fédérale de Lausanne

Public Release: 19-Jul-2017
Nature Communications
Sea cave preserves 5,000-year snapshot of tsunamis
An international team of scientists digging in a sea cave in Indonesia has discovered the world's most pristine record of tsunamis, a 5,000-year-old sedimentary snapshot that reveals for the first time how little is known about when earthquakes trigger massive waves.
National Research Foundation Singapore and Singapore Ministry of Education under the Research Centers of Excellence initiative, National Science Foundation, Asia Research Institute, National University of Singapore

Contact: Todd B. Bates
Rutgers University

Public Release: 19-Jul-2017
Nature Communications
Massive simulation shows HIV capsid interacting with its environment
It took two years on a supercomputer to simulate 1.2 microseconds in the life of the HIV capsid, a protein cage that shuttles the HIV virus to the nucleus of a human cell. The 64-million-atom simulation offers new insights into how the virus senses its environment and completes its infective cycle.
National Science Foundation, National Institutes of Health

Contact: Diana Yates
University of Illinois at Urbana-Champaign

Public Release: 18-Jul-2017
Advanced Healthcare Materials
New gel coatings may lead to better catheters and condoms
Catheters, intravenous lines, and other types of surgical tubing are a medical necessity for managing a wide range of diseases. But a patient's experience with such devices is rarely a comfortable one. MIT engineers have designed a gel-like material that can be coated onto standard plastic or rubber devices, providing a softer, more slippery exterior that can significantly ease a patient's discomfort. The coating can even be tailored to monitor and treat signs of infection.
Office of Naval Research, MIT Institute for Soldier Nanotechnologies, National Science Foundation

Contact: Abby Abazorius
Massachusetts Institute of Technology

Public Release: 18-Jul-2017
Sequencing reveals how Porphyra thrives in a tough environment
In the intertidal zone, one of the most physically stressful habitats on Earth, Porphyra umbilicalis -- laver or Atlantic nori -- and its ancestors have survived and thrived. Now the sequencing of the P. umbilicalis genome has revealed the unexpected reasons for its ability to successfully compete.
National Oceanic and Atmospheric Administration, National Science Foundation, DOE/Joint Genome Institute

Contact: Margaret Nagle
University of Maine

Public Release: 18-Jul-2017
Nature Ecology and Evolution
A tale of two fishes: Biologists find male, female live-bearing fish evolve differently
A Kansas State University study has found that male and female live-bearing fish evolve differently: female evolution is influenced more strongly by natural selection, while male evolution is influenced more strongly by sexual selection.
National Science Foundation, American Philosophical Society

Contact: Michael Tobler
Kansas State University

Public Release: 18-Jul-2017
Nature Communications
Study reveals ways in which cells feel their surroundings
Researchers used computer modeling to show how cells can feel their way through their surroundings, for example, when a tumor cell invades a new tissue or organ.
National Science Foundation

Contact: Catherine Zandonella
Princeton University

Public Release: 18-Jul-2017
Zealandia should hold answers about tectonics, past climate
Thirty scientists will sail from Australia July 27 on a two-month ocean drilling expedition to the submerged continent of Zealandia in search of clues about its origin that should answer questions about tectonics and Earth's climate.
National Science Foundation, International Ocean Discovery Program

Contact: Mike Williams
Rice University

Showing releases 601-625 out of 1114.

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