| Electrons in astrophysical plasma jets simulated | Physicists have been able to simulate the motion of billions of electrons within astrophysical plasma jets and calculate the light they emit with the help of a high-performance computer. | Read More » More accurate method to date tropical glacier moraines | Scientists have found a more accurate method to determine the ages of boulders deposited by tropical glaciers, findings that will likely influence previous research of how climate change has impacted ice masses around the equator. | Read More » UV-sensors from the oven: Nanostructure production process revolutionized | Placed in fire detectors and water treatment units UV-sensors can save lives; also in many areas of industry and environment the demand for these devices is rising steadily. Scientists have been able to "bake" nanostructures within seconds, in order to fabricate very fast UV-sensors. This new technique totally diminishes the need to use sophisticated equipments and toxic chemicals. | Read More » The fashion scout and the cop: Scanning the streets with similar methods for different targets | University of Cincinnati research compares practices used by fashion industry casting directors to the New York City Police Department's controversial stop-and-frisk program. | Read More » Faster surgery may be better for hip fractures | Among patients receiving standard care for hip fractures, 47% suffered a major complication of death, heart attack, stroke, pneumonia, blood clot or major bleeding event. However, only 30% of the patients in the accelerated surgery group suffered one of these complications. | Read More » New treatment effective at reducing blood clots in brain-injured patients | Researchers have found that a new protocol that uses preventive blood-thinning medication in the treatment of patients with traumatic brain injuries reduces the risk of patients developing life-threatening blood clots without increasing the risk of bleeding inside the brain. | Read More » Is a 'better world' possible? | Creating communities that are both diverse and socially cohesive may be a pipe dream, a sociologist argues in a new study. | Read More » Most teen mental health problems go untreated | More than half of adolescents with psychiatric disorders receive no treatment of any sort, says a new study. When treatment does occur, the providers are rarely mental health specialists. | Read More » Without sufficient support, community health centers will drop one million patients | A new report examines the impact of federal and state policy decisions on community health centers and their ability to continue providing primary care to the nation's poorest residents. | Read More » Computer scientists create new 3-D technique | Computer scientists are using a famous mathematician's theory to make 3-D images that are more accurate approximations of the shapes of the original objects. | Read More » Could saving the traditional pub be the answer to Britain's binge drinking problem? | A research study finds evidence for the traditional pub as a site for restrained and responsible social interaction for young adults. The UK government wants further controls to restrict high street bars but on the other hand is concerned about the decline in the number of traditional public houses or pubs. A recent article discusses whether the English Planning System should distinguish between pubs for the 'public good' and licensed premises associated with 'social ills'? | Read More » Consumers order a healthier meal when menu has nutritional labeling | An evaluation team has published a new study demonstrating that customers of full-service restaurants use nutritional labeling on menus to make healthier food choices. Customers who reported they used labels purchased 400 fewer calories (representing a relative difference of 20 percent). | Read More » People new to power more likely to be vengeful | New research has shown that people who are not accustomed to holding power are more likely to be vengeful when placed in charge. Experienced power-holders, on the other hand, were found to be more tolerant of perceived wrongdoing. The research explored for the first time the relationship between power and revenge. | Read More » Pipelines carry out their own health checks | Long pipelines crammed with electronics are being tested in the waters of Orkanger harbor in Norway. They are the first in the world able to report their technical condition to personnel onshore. | Read More » Mutations of immune system found in breast cancers | Mutations in the genes that defend the body against cancer-related viruses and other infections may play a larger role in breast cancer than previously thought, according to a study. | Read More » New study may impact practice guidelines for mitral valve surgery | Researchers report for the first time evidence on whether or not there is any significant difference between the two current surgical approaches to treat patients with severe ischemic mitral regurgitation -- mitral valve repair and mitral valve replacement. | Read More » Poultry probiotic's coat clues to ability to battle bugs | Researchers have characterized the coat of potential poultry probiotic bacteria, giving the first clues of how this may be used to exclude pathogenic bacteria from chickens, and so reduce the use of antibiotics to control food poisoning bacteria. | Read More » A happy patient is well connected to a doctor | The happiest patients are those who have regular contact with their doctors. A study finds that patients who have established "continuity of care" with primary-care physician are most satisfied with their treatment. The study comes as the American health care system moves to a more team-based approach to care, known as patient-centered medical home. | Read More » Engineers use keyboard, mouse and mobile device 'fingerprints' to protect data | Engineers are working to protect computer networks and data by using unique keyboard, computer mouse and mobile device "fingerprints." | Read More » New species of crustacean discovered on coast of California | A recent study describes a new species of marine crustacean found on the coast of California. | Read More » What water looks like to DNA | Biochemists and mathematicians have developed a sophisticated geometric model to predict how a biological molecule will interact with water molecules, computing the results up to 20 times faster than other existing approaches. This new approach may help researchers find new drugs to treat human diseases. | Read More » Paradigm shift in organic solar cell research? | A new study overturns a widely held explanation for how organic photovoltaics turn sunlight into electricity. | Read More » Evidence of ancient human history encoded in music's complex patterns | Just as fragments of ancient pottery and bones offer valuable information about human history, music can also reveal clues about the past, according to new research. | Read More » Enhancing battery performance for portable electronics | The ever-increasing market for portable electronic devices has resulted in an equally heavy demand for rechargeable batteries, lithium-ion (Li-ion) being among the most popular. Scientists and engineers are seeking ways to improve the power density, durability and overall performance of Lithium-ion batteries, and in a recent paper researchers report an advance in Li-ion battery technology that they describe as a major breakthrough. | Read More » New modelling technique could bypass the need for engineering prototypes | A new modelling technique has been developed that could eliminate the need to build costly prototypes, which are used to test engineering structures such as airplanes. | Read More » Peering into the future: How cities grow | How cities will grow in the future depends on fundamental laws, which have now been uncovered. | Read More » Holistic cell design leads to high-performance, long cycle-life Li/S battery | Researchers have demonstrated in the laboratory a lithium-sulfur (Li/S) battery that has more than twice the specific energy of lithium-ion batteries, and that lasts for more than 1,500 cycles of charge-discharge with minimal decay of the battery's capacity. This is the longest cycle life reported so far for any lithium-sulfur battery. | Read More » Synesthesia is more common in autism | People with autism are more likely to also have synaesthesia, suggests new research in the journal Molecular Autism. | Read More » AIDS guidelines for children may not improve death rates but may improve treatment access | Recent changes to World Health Organization guidelines for starting anti-AIDS drugs (antiretroviral therapy—ART) in young children are unlikely to improve death rates but may increase the numbers of children receiving ART by simplifying access to treatment, according to a new study. | Read More » Neanderthal viruses found in modern humans | Ancient viruses from Neanderthals have been found in modern human DNA. Researchers compared genetic data from fossils of Neanderthals and another group of ancient human ancestors called Denisovans to data from modern-day cancer patients. They found evidence of Neanderthal and Denisovan viruses in the modern human DNA, suggesting that the viruses originated in our common ancestors more than half a million years ago. | Read More » Electrified diamonds: Physicists on the trail of quantum information | With the help of tiny diamond crystals, physicists have discovered new possibilities of quantum information: The scientists discovered at specific circumstances electric currents that made it possible to identify defects in the carbon lattice of single diamonds measuring only a few nanometers. | Read More » Testing smart plastics in real time | Nano additives can make plastics scratch and flame proof, or give them antibacterial properties. For this to work, the particle distribution within the plastic compound must be absolutely correct. A new device is now able to test the distribution in real time. | Read More » Coal continues to dominate global carbon emissions | Despite explosive growth in renewable energy consumption, continued strong growth in coal consumption has further consolidated coal as the dominate source of carbon dioxide emissions. | Read More » Underwater 'tree rings' show 650 years of sea ice change | Almost 650 years of annual change in sea-ice cover can been seen in the calcite crust growth layers of seafloor algae, says a new study. | Read More » CT and 3-D printers used to recreate dinosaur fossils | Data from computed tomography scans can be used with three-dimensional printers to make accurate copies of fossilized bones, according to new research. | Read More » The Galaxy's ancient brown dwarf population revealed | Astronomers have discovered two of the oldest brown dwarfs in the Galaxy. These ancient objects are moving at speeds of 100-200 kilometers per second, much faster than normal stars and other brown dwarfs and are thought to have formed when the Galaxy was very young, more than 10 billion years ago. | Read More » World's first known magnetic cellulose loudspeakers: Potential for magnetic cellulose comes in crisp and clear | They're flat, ultra-thin and great-sounding. The world's first known magnetic cellulose loudspeakers have been demonstrated. | Read More » Medieval origins of debate on classroom beatings | The connection between formal education and corporal punishment is a venerable and persistent one. | Read More » Brain activity in severely brain injured patients who 'wake up' with sleeping pill: Other patients may also respond | George Melendez has been called a medical miracle. After a near drowning deprived his brain of oxygen, Melendez remained in a fitful, minimally conscious state until his mother, in 2002, decided to give him the sleep aid drug Ambien to quiet his moaning and writhing. The next thing she knew, her son was quietly looking at her and trying to talk. He has been using the drug ever since to maintain awareness, but no one could understand why Ambien led to such an awakening. | Read More » Services fail to treat prisoners with schizophrenia, increasing risk of violent reoffending, UK study shows | New research shows released prisoners with schizophrenia are three times more likely to be violent than other prisoners, but only if they receive no treatment or follow-up support from mental health services. | Read More » Magnetic nanoparticles could aid heat dissipation in nuclear plant cooling systems and electronics | Researchers find that particles suspended in cooling water could prevent hotspots in nuclear plant cooling systems and electronics. | Read More » Predicting human body height from DNA | Predicting adult body height from genetic data is helpful in several areas such as pediatric endocrinology and forensic investigations. However, despite large international efforts to catalog the genes that influence the stature of humans, knowledge on genetic determinants of adult body height is still incomplete. Now DNA-based prediction of taller-than-average body height is feasible. | Read More » Specially designed nanostructured materials can increase the light-absorbing efficiency of solar cells | The Sun is our most promising source of clean and renewable energy. The energy that reaches Earth from the Sun in an hour is almost equivalent to that consumed by humans over a year. Solar cells can tap this massive source of energy by converting light into an electrical current. However, these devices still require significant improvements in efficiency before they can compete with more traditional energy sources. New research has increased the light-absorbing efficiency of solar cells. | Read More » Novel material stores unusually large amounts of hydrogen | Researchers has synthesized a new material that stores an unusually large amount of hydrogen. Performing high-pressure X-ray studies, the scientists detected the formation of previously unobserved iridium hydride at a pressure of 55 gigapascals, corresponding to approximately 550,000 times the Earth's atmospheric pressure. The new material can store up to three times more hydrogen than most other metal hydrides. | Read More » Solar-powered battery woven into fabric overcomes hurdle for 'wearable electronics' | Though some people already seem inseparable from their smartphones, even more convenient, wearable, solar-powered electronics could be on the way soon, woven into clothing fibers or incorporated into watchbands. This novel battery development could usher in a new era of "wearable electronics." | Read More » Newly discovered ancestral enzyme facilitates DNA repair | Researchers have discovered how a new human enzyme, the protein PrimPol, is capable of recognizing DNA lesions and facilitate their repair during the DNA copying process, thus avoiding irreversible and lethal damage to the cells and, therefore, to the organism. | Read More » Insomnia linked to mortality risk | Insomnia, the most common sleep disorder, affects up to one-third of the population in the United States. In new findings, researchers have found that some insomnia symptoms are associated with an increased risk of mortality in men. | Read More » Coffee may help perk up your blood vessels | A small study showed that a cup of coffee improved small blood vessel function. The study takes us one step closer to understanding how coffee might benefit cardiovascular health. | Read More » Invasive sparrows immune cells sharpen as they spread | Researchers find the immune systems of house sparrows at the edge of the species' range in Kenya were more attuned to finding dangerous parasites than birds from older sites in the same country. These differences may help keep invading birds from becoming sick in new areas where pathogens are more likely novel. | Read More » Computer searches web 24/7 to analyze images and teach itself common sense | A computer program called the Never Ending Image Learner (NEIL) is running 24 hours a day searching the Internet for images, doing its best to understand them on its own and, as it builds a growing visual database, gathering common sense on a massive scale. | Read More » Sixth sense in mechanical engineering: Sensor screw measures forces inside machines | An age-old engineering problem: how do you precisely measure the forces that act between two components inside a machine or, for example, on the sail of a boat without drilling holes or sticking on a sensor? Researchers have now developed a brilliantly simple solution: a screw with an integrated sensor. | Read More » Higher levels of control, support at work increases wellbeing | Research reveals positive aspects of working life -- such as high levels of control at work, good support from supervisors and colleagues, and feeling cared for -- support higher levels of well-being among Britain's workers. | Read More » Distracted driving killing more pedestrians, bicyclists | From 2005 to 2010, the national number of pedestrians struck and killed by distracted drivers went up from 344 to 500 – an almost 50 percent increase. For cyclists, the numbers killed went from 56 to 73 — a 30 percent increase. | Read More » HIV virus spread, evolution studied through computer modeling | Researchers are investigating the complex relationships between the spread of the HIV virus in a population (epidemiology) and the actual, rapid evolution of the virus (phylogenetics) within each patient's body. | Read More » Selecting mathematical models with greatest predictive power: Finding Occam's razor in an era of information overload | How to predict actions and reactions of things invisible to human eye? Physicists now show that there may be a preferred strategy for selecting mathematical models with the greatest predictive power. Picking the best model is about sticking to the simplest line of reasoning, experts say. | Read More » Three new wafer trapdoor spiders from Brazil | Scientists have discovered three new gorgeous species of the wafer trapdoor genus Fufius. Little is known about the biology of the enigmatic Cyrtaucheniidae family, but among the curiosities is that these spiders live in burrows or silken tubes in crevices, carefully prolongued with silk. | Read More » Breakthrough in adult heart repair | Cardiovascular disease (CVD) is responsible for approximately one-third of all deaths. A major problem with CVD is that adult hearts do not repair well after injury. Now, researchers have discovered a way to change that. By identifying and manipulating the normal signals that block heart repair, they were able to show complete functional heart recovery in adult mice after myocardial infarction, which mimics a human heart attack. This breakthrough brings new hope for treating CVD. | Read More » | |
No comments:
Post a Comment