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Study reveals predation-evolution link
The fossil record seems to indicate that the diversity of marine creatures increased and decreased over hundreds of millions of years in step with predator-prey encounters, Virginia Tech geoscientists report in the Proceedings of the National Academy of Science.   view more (2007-09-11)

Researchers develop mouse model of autism spectrum disorders
Howard Hughes Medical Institute researchers have genetically engineered mice that harbor the same genetic mutation found in some people with autism and Asperger syndrome.   view more (2007-09-07)

Greenhouse gases likely drove near-record US warmth in 2006
Greenhouse gases likely accounted for over half of the widespread warmth across the continental United States in 2006, according to a new study that will be published 5 September in Geophysical Research Letters, a publication of the American Geophysical Union.   view more (2007-08-29)

Long-term increase in rainfall seen in tropics
NASA scientists have detected the first signs that tropical rainfall is on the rise with the longest and most complete data record available.   view more (2007-08-28)

U of Minnesota researchers discover noninvasive diagnostic tool for brain diseases
Researchers from the University of Minnesota Medical School and Brain Sciences Center at the Minneapolis VA Medical Center have identified a noninvasive and painless way to diagnose complex brain diseases.   view more (2007-08-23)

Computational actinide chemistry: Are we there yet?
Ever since the Manhattan project in World War II, actinide chemistry has been essential for nuclear science and technology.   view more (2007-08-22)

Hypertension appears to be frequently undiagnosed in children and adolescents
In a study of children and adolescents with hypertension, only about one in four had been previously diagnosed with the condition, according to a study in the August 22/29 issue of JAMA.   view more (2007-08-22)

Researchers at UC-Santa Barbara have built the world's first mode-locked silicon evanescent laser
Researchers at UC Santa Barbara have announced they have built the world's first mode-locked silicon evanescent laser, a significant step toward combining lasers and other key optical components with the existing electronic capabilities in silicon.   view more (2007-08-22)

CU-Boulder team forcasts 92 percent chance of record low Arctic sea ice extent in 2007
University of Colorado at Boulder researchers are now forecasting a 92 percent chance that the 2007 September minimum extent of sea ice across the Arctic region will set an all-time record low.   view more (2007-08-17)

Batter out: Umpires likely to favor pitchers of the same race or ethnicity
Umpires for Major League Baseball are more likely to call strikes in favor of pitchers who share their race or ethnicity, according to new research from The University of Texas at Austin.   view more (2007-08-14)

What we can learn from the biggest extinction in the history of Earth
Approximately 250 million years ago, vast numbers of species disappeared from Earth. This mass-extinction event may hold clues to current global carbon cycle changes, according to Jonathan Payne, assistant professor of geological and environmental sciences.   view more (2007-08-10)

Miniature implanted devices could treat epilepsy, glaucoma
Purdue University researchers have developed new miniature devices designed to be implanted in the brain to predict and prevent epileptic seizures and a nanotech sensor for implantation in the eye to treat glaucoma.   view more (2007-08-08)

Review Finds Potential Flaws in Voting Systems
Flaws that leave electronic voting machines vulnerable to security attacks were discovered by University of California researchers as part of an unprecedented "Top-to-Bottom Review" of the systems commissioned by California Secretary of State Debra Bowen.   view more (2007-07-31)

System to analyze beating heart stem cells could lead to heart attack treatments
New research at the University of Nottingham, funded by the Biotechnology and Biological Sciences Research Council (BBSRC), is paving the way for techniques that use stem cells to repair the damage caused by heart attacks.   view more (2007-07-30)

Using stem cells to help heart attack victims
New research at The University of Nottingham is paving the way for techniques that use stem cells to repair the damage caused by heart attacks.   view more (2007-07-30)

The inside dope
Often, things can be improved by a little 'contamination.' Steel, for example is iron with a bit of carbon mixed in. To produce materials for modern electronics, small amounts of impurities are introduced into silicon - a process called doping.   view more (2007-07-27)

Smithsonian's National Zoo researchers use electronic eggs to help save threatened species
This is an important summer for kori bustards at the Smithsonian's National Zoo. Four chicks of this threatened African bird have hatched in June and July.   view more (2007-07-27)

New phenomenon in physics discovered on illumination of metal surfaces
Scientific research at the Centre of the Physics of Materials, a mixed venture of the Higher Council for Scientific Research (CSIC) and the University of the Basque Country (UPV/EHU) in Donostia-San Sebastian, has enabled the discovery of a new physical phenomenon that affects the surfaces of... view more (2007-07-12)

Antibiotics don't prevent future urinary tract infections, may cause resistance in future infections
After a first childhood urinary tract infection (UTI), daily antibiotics may not prevent another such infection, and may actually increase the risk that the next urinary tract infection is caused by resistant bacteria.   view more (2007-07-11)

Tomorrow's green nanofactories
Viruses are notorious villains. They cause serious human diseases like AIDS, polio, and influenza, and can lead to system crashes and data loss in computers.   view more (2007-07-10)

Computerized doctors' orders reduce medication errors
Doctors are famous for sloppy scribbling - and handwritten prescriptions lead to thousands of medication errors each year. Electronics to the rescue: U.S. hospitals that switched to computerized physician order entry systems saw a 66 percent drop in prescription errors, according to a new review of... view more (2007-06-28)

Climate models consistent with ocean warming observations
Climate models are reliable tools that help researchers better understand the observed record of ocean warming and variability.   view more (2007-06-19)

Silicon nanowires upgrade data-storage technology
Scientists at the National Institute of Standards and Technology (NIST), along with colleagues at George Mason University and Kwangwoon University in Korea, have fabricated a memory device that combines silicon nanowires with a more traditional type of data-storage.   view more (2007-06-11)

A step nearer to understanding superconductivity
Transporting energy without any loss, travelling in magnetically levitated trains, carrying out medical imaging (MRI) with small-scale equipment: all these things could come true if we had superconducting materials that worked at room temperature.   view more (2007-06-07)

Miniature robot for precise positioning and targeting in neurosurgery wins award for HU researcher
While recent advances in neurosurgery have made it possible to precisely target areas in the brain with minimum invasiveness -- using a small hole to insert a probe, needle or catheter -- there remains a disadvantage.   view more (2007-06-06)
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