ScienceDaily: Latest Science News |
- Trauma before enlistment linked to high suicide rates among military personnel, veterans, research finds
- Regular marijuana use bad for teens' brains
- Happier consumers can lead to healthier environment, research reveals
- Hospitals could face penalties for missing electronic health record deadline
- Lead linked to obesity in mice exposed by mothers
- Water's reaction with metal oxides opens doors for researchers
- Natural light in office boosts health
- Pinpointing genes that protect against frailty
- New culprit identified in metabolic syndrome
- Immediate aftermath of an oil spill
- Which Structure has optimal resistive switching characteristics?
- Scientists enhance synthesis of chromium dioxide (100) epitaxial thin film growth
- Electrons moving in a magnetic field exhibit strange quantum behavior
- Grass really is greener on TV, computer screens, thanks to quantum dots
- Water-polluting anxiety drug reduces fish mortality
- Air traffic growth set to outpace carbon reduction efforts
- Can probiotics reduce severity of C. difficile infections?
- Flood risk visualization software
- Boston Marathon bombing caregivers still grappling with tragedy one year later
| Posted: 09 Aug 2014 11:14 AM PDT High rates of suicide among military service members and veterans may be related to traumatic experiences they had before enlisting, making them more vulnerable to suicidal behavior when coping with combat and multiple deployments, according to the findings of several recent studies. Experiencing child abuse, being sexually victimized by someone not in the service and exhibiting suicidal behavior before enlisting are significant risk factors for service members and veterans who attempt or commit suicide. |
| Regular marijuana use bad for teens' brains Posted: 09 Aug 2014 11:14 AM PDT Frequent marijuana use can have a significant negative effect on the brains of teenagers and young adults, including cognitive decline, poor attention and memory, and decreased IQ, according to psychologists. "It needs to be emphasized that regular cannabis use, which we consider once a week, is not safe and may result in addiction and neurocognitive damage, especially in youth," said one expert. |
| Happier consumers can lead to healthier environment, research reveals Posted: 09 Aug 2014 11:14 AM PDT The pursuit of true happiness can lead people to lifestyles that will not only be satisfying but will be better for the environment, according to an overview of psychological research. Several studies have determined that people's basic psychological needs include competence, autonomy, positive relationships, self-acceptance and personal growth. And research has shown that rather than fulfilling these needs, the pursuit of money and possessions takes time away from more personally fulfilling activities and social relationships. |
| Hospitals could face penalties for missing electronic health record deadline Posted: 08 Aug 2014 01:34 PM PDT Many of the nation's hospitals in the U.S. struggled to meet a federally mandated electronic health records deadline, and as a result could collectively face millions of dollars in reduced Medicare payments this year, a study shows. |
| Lead linked to obesity in mice exposed by mothers Posted: 08 Aug 2014 01:33 PM PDT When we think of ill effects from lead exposure various neurologic problems usually come to mind. Now researchers say another health impact can be added to the list: obesity. Even at low levels, lead is associated with obesity in mice whose mothers were exposed to the chemical, researchers found. Specifically male mice exposed to lead had an 8-10 percent increase in weight. |
| Water's reaction with metal oxides opens doors for researchers Posted: 08 Aug 2014 01:33 PM PDT A long-unanswered question about how two of the world's most common substances interact has been answered by researchers. In a new paper, chemical and biological engineers report fundamental discoveries about how water reacts with metal oxides. |
| Natural light in office boosts health Posted: 08 Aug 2014 09:40 AM PDT Office workers with more natural light exposure at the office had longer sleep duration, better sleep quality, more physical activity and better quality of life compared to office workers with less light exposure in the workplace, a study shows. "There is increasing evidence that exposure to light, during the day, particularly in the morning, is beneficial to your health via its effects on mood, alertness and metabolism," said the senior study author. |
| Pinpointing genes that protect against frailty Posted: 08 Aug 2014 09:39 AM PDT Frailty is a common condition associated with old age, characterized by weight loss, weakness, decreased activity level and reduced mobility, which together increase the risk of injury and death. Yet, not all elderly people become frail; some remain vigorous and robust well into old-age. The question remains: why? |
| New culprit identified in metabolic syndrome Posted: 08 Aug 2014 09:39 AM PDT Uric acid may play a role in causing metabolic syndrome, a cluster of risk factors that increases the risk of heart disease and type 2 diabetes, a new study indicates. Uric acid is a normal waste product removed from the body by the kidneys and intestines and released in urine and stool. Elevated levels of uric acid are known to cause gout, an accumulation of the acid in the joints. High levels also are associated with the markers of metabolic syndrome. |
| Immediate aftermath of an oil spill Posted: 08 Aug 2014 08:19 AM PDT The fate of oil during the first day after an accidental oil spill is still poorly understood, with researchers often arriving on the scene only after several days. New findings from a field experiment carried out in the North Sea provide valuable insight that could help shape the emergency response in the immediate wake of disasters. |
| Which Structure has optimal resistive switching characteristics? Posted: 08 Aug 2014 08:18 AM PDT Researchers fabricated Pt/TiOx/ZnO/n+-Si structures and investigated the effects of TiOx interlayer with different thickness on the resistance switching of Pt/TiOx/ZnO/n+-Si structures. |
| Scientists enhance synthesis of chromium dioxide (100) epitaxial thin film growth Posted: 08 Aug 2014 08:18 AM PDT High quality CrO2 film on the (100)-oriented TiO2 substrate was fabricated by using a simple route under ambient pressures. The film shows preferential orientation along (100) direction and has a Curie temperature Tc = 396 K. The resistivity of the film is studied down to about 0.6 K and can be fitted with Á(T)=Á0+AT2exp(-"/T). The magnetization of the film becomes saturated in a relatively low field and follows Bloch's T3/2 law. |
| Electrons moving in a magnetic field exhibit strange quantum behavior Posted: 08 Aug 2014 08:07 AM PDT Researchers have made the first direct observations of free-electron Landau states -— a form of quantized states that electrons adopt when moving through a magnetic field- — and found that the internal rotational dynamics of quantum electrons, or how they move through the field, is surprisingly different from the classical model, and in line with recent quantum-mechanical predictions. |
| Grass really is greener on TV, computer screens, thanks to quantum dots Posted: 08 Aug 2014 08:00 AM PDT High-tech specks called quantum dots could bring brighter, more vibrant color to mass market TVs, tablets, phones and other displays. A new technology called 3M quantum dot enhancement film (QDEF) that efficiently makes liquid crystal display (LCD) screens more richly colored is described by an expert. |
| Water-polluting anxiety drug reduces fish mortality Posted: 07 Aug 2014 06:57 PM PDT A drug that is commonly used to treat anxiety in humans and which regularly finds its way into surface waters through wastewater effluence has been shown to reduce mortality rates in fish. |
| Air traffic growth set to outpace carbon reduction efforts Posted: 07 Aug 2014 06:55 PM PDT Carbon reduction efforts in the airline industry will be outweighed by growth in air-traffic, even if the most contentious mitigation measures are implemented, according to new research. Even if proposed mitigation measures are agreed upon and put into place, air traffic growth-rates are likely to out-pace emission reductions, unless demand is substantially reduced. "There is little doubt that increasing demand for air travel will continue for the foreseeable future," says a co-author and travel expert. |
| Can probiotics reduce severity of C. difficile infections? Posted: 07 Aug 2014 06:55 PM PDT Probiotics have shown promise for treating patients with recurrent Clostridium difficile infections. However, their safety and quality control requires further study – especially in immunocompromised patients, concludes a review paper. Probiotics – beneficial microorganisms deliberately introduced into the body – have been used in some patients as an adjunct treatment with some success. However, a detailed investigation on the use of probiotics for infected patients is still needed to determine their real efficacy. |
| Flood risk visualization software Posted: 07 Aug 2014 06:55 PM PDT New flood information visualization software will be an excellent tool for water resources planning and management as well as for better flood decision making analysis. |
| Boston Marathon bombing caregivers still grappling with tragedy one year later Posted: 07 Aug 2014 03:05 PM PDT Nearly a year after the 2013 Boston Marathon bombings, hospital staff, first responders and medical volunteers who cared for the injured and dying were still struggling to put the experience behind them, according to a Schwartz Center for Compassionate Healthcare report that describes eight confidential sessions held to help caregivers process their emotions and feelings in the aftermath of this horrific event. |
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