ScienceDaily: Latest Science News

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• Were dinosaurs warm- or cold-blooded? First method for directly measuring body temperatures of extinct vertebrates
• Drinking fewer sugar-sweetened beverages may lower blood pressure
• To attack H1N1, other flu viruses, gold nanorods deliver potent payload
• H1N1 associated with serious health risks for pregnant women, study finds
• Pollution dispersion research aids understanding of 2002 break-up of Antarctic ozone hole
• Sept. 11 attacks linked to increased male baby miscarriages, even in women with no direct connection to events
• Can bacteria make you smarter?
• Research points to two promising proteins for preventing diabetes
• Phoenix Mars Lander is silent, new image shows damage
• Beta-blockers may be associated with benefits in patients with lung disease
• Odds are about 1-in-3 that mega-earthquake will hit Pacific Northwest in next 50 years, scientists say
• Revealing China's ancient past
• Comet dives into Sun: STEREO, SOHO spacecraft catch crash
• Brain injuries may result in trouble sleeping, study finds
• First realistic simulation of DNA unfolding
• Model demonstrates infectious cause of asthma
• Nile delta natural gas potential is significant
• Smoking cessation treatments work and are safe for people with severe mental illness
• Tissue engineering technique yields potential biological substitute for dental implants
• Anti-aging supplements may be best taken not too late in life
• Using remote sensing to track invasive trees
• Frequent doctor visits help diabetics lower blood pressure more quickly
• Antibacterial silver nanoparticles are a blast
• Obesity remains an economic issue, research finds
• Well-tolerated radiotherapy provides longer life to patients with recurrent brain cancer
• Nine new species for Tasmania's disappearing handfish family
• Most patients survive common thyroid cancer regardless of treatment
• Flexible treatment intervention associated with greater improvement in anxiety symptoms
• DNA sequence itself influences mutation rate, new research indicates
• Cancer-targeting virus delivered by IV is successful in treating advanced cancers, research finds
• When it comes to security, think 'natural': Security organizations could be more effective if officials learn from nature
• Four biomarkers important in colerectal cancer treatment prognosis discovered
• Intelligent therapies with virtual reality for the psychological treatment of patients suffering from fibromyalgia
• It's the little things: Everyday gratitude as a booster shot for romantic relationships
• Ultraviolet radiation not culprit killing amphibians, research shows
• Alcohol consumption may protect against risk of Alzheimer's disease, particularly in female nonsmokers, study finds
• Invention could aid Mars probes' search for life
• Routine breast cancer biopsy might predict lymph node cancer spread
• How grazing lands influence greenhouse gas
• More than 3,500 pediatric injuries related to crutches, walkers and wheelchairs each year in the US, study finds
• Regular violent eruptions from interacting pair of stars
• 'Stress' protein could halt aging process, say scientists
• 3-D model of blood flow by supercomputer predicts heart attacks
• Lung cancer: Biopsy-based study tilts field toward personalized treatment
• 'Printing' pills to order: Research to create safer, faster-acting medicines
• Early detection of Parkinson's disease by voice analysis

Were dinosaurs warm- or cold-blooded? First method for directly measuring body temperatures of extinct vertebrates Posted: 25 May 2010 08:00 AM PDT Questions about when, why, and how vertebrates stopped relying on external factors to regulate their body temperatures and began heating themselves internally have long intrigued scientists. Now, a team of researchers has taken a critical step toward providing some answers. They have developed the first method for the direct measurement of the body temperatures of large extinct vertebrates -- through the analysis of rare isotopes in the animals' bones, teeth, and eggshells.

Drinking fewer sugar-sweetened beverages may lower blood pressure Posted: 25 May 2010 08:00 AM PDT Drinking fewer sugar-sweetened beverages -- a leading source of added sugar in the US diet -- may lower blood pressure, according to new research.

To attack H1N1, other flu viruses, gold nanorods deliver potent payload Posted: 25 May 2010 08:00 AM PDT Future pandemics of seasonal flu, H1N1 and other drug-resistant viruses may be thwarted by a potent, immune-boosting payload that is effectively delivered to cells by gold nanorods, scientists report.

H1N1 associated with serious health risks for pregnant women, study finds Posted: 25 May 2010 08:00 AM PDT Pregnant women who contract the H1N1 flu strain are at risk for obstetrical complications including fetal distress, premature delivery, emergency cesarean delivery and fetal death, according to a new report.

Pollution dispersion research aids understanding of 2002 break-up of Antarctic ozone hole Posted: 25 May 2010 08:00 AM PDT Researchers report findings on the flow of particles that will aid in understanding and controlling global-scale phenomena, such as pollution dispersion in the atmosphere and the ocean. For instance, the BP oil spill in the Gulf of Mexico might be modeled to provide greater insight into how the particles might be dragged into the Loop Current.

Sept. 11 attacks linked to increased male baby miscarriages, even in women with no direct connection to events Posted: 25 May 2010 08:00 AM PDT Stress caused by psychological shock from the Sep. 11, 2001, terrorist attacks, felt even by people with no direct link to the event, may have led to an increase in male children being miscarried in the US.

Can bacteria make you smarter? Posted: 25 May 2010 05:00 AM PDT Exposure to specific bacteria in the environment, already believed to have antidepressant qualities, could increase learning behavior, according to new research.

Research points to two promising proteins for preventing diabetes Posted: 25 May 2010 05:00 AM PDT Two human proteins that evolutionary processes have conserved from ancient single-celled organisms appear to provide new targets of opportunity for scientists hoping to thwart the development of diabetes.

Phoenix Mars Lander is silent, new image shows damage Posted: 25 May 2010 05:00 AM PDT NASA's Phoenix Mars Lander has ended operations after repeated attempts to contact the spacecraft were unsuccessful. A new image transmitted by NASA's Mars Reconnaissance Orbiter shows signs of severe ice damage to the lander's solar panels.

Beta-blockers may be associated with benefits in patients with lung disease Posted: 25 May 2010 05:00 AM PDT Patients with chronic obstructive pulmonary disease may have fewer respiratory flare-ups and longer survival if they take beta-blocker medications, according to a new report.

Odds are about 1-in-3 that mega-earthquake will hit Pacific Northwest in next 50 years, scientists say Posted: 25 May 2010 05:00 AM PDT The major earthquakes that devastated Chile earlier this year and which triggered the catastrophic Indonesian tsunami of 2004 are more than just a distinct possibility to strike the Pacific Northwest coast of the United States, scientists say. There is more than a one-in-three chance that it will happen within the next 50 years.

Revealing China's ancient past Posted: 25 May 2010 05:00 AM PDT A U.S. archeologist is helping to reveal for the first time a snapshot of rural life in China during the Han Dynasty. The rural farming village of Sanyangzhuang was flooded by silt-heavy water from the Yellow River around 2,000 year ago. T.R. Kidder, professor of anthropology, is working to excavate the site, which offers a exceptionally well-preserved view of daily life in Western China more than 2,000 years ago.

Comet dives into Sun: STEREO, SOHO spacecraft catch crash Posted: 25 May 2010 02:00 AM PDT Solar physicists have used STEREO data to track the path of a sun-grazing comet and have caught it crashing through the corona and chromosophere to evaporate in the photosphere.

Brain injuries may result in trouble sleeping, study finds Posted: 25 May 2010 02:00 AM PDT People with brain injuries may produce low amounts of melatonin, which affects their sleep, according to a new study.

First realistic simulation of DNA unfolding Posted: 25 May 2010 02:00 AM PDT The separation of the two DNA strands occurs in millionths of a second. Consequently, it is extremely difficult to study this phenomenon experimentally and researchers must rely on computational simulations. After four years of fine-tuning an effective physical model and massive use of the supercomputer Mare Nostrum, researchers have managed to produce the first realistic simulation of DNA opening at high resolution.

Model demonstrates infectious cause of asthma Posted: 25 May 2010 02:00 AM PDT Scientists have developed an animal model that shows how an early childhood lung infection can cause asthma later in life.

Nile delta natural gas potential is significant Posted: 25 May 2010 02:00 AM PDT An estimated 223 trillion cubic feet of undiscovered, technically recoverable natural gas are in the Nile Delta Basin Province, located in the Eastern Mediterranean region. This is the first U.S. Geological Survey assessment of this basin to identify potentially extractable resources.

Smoking cessation treatments work and are safe for people with severe mental illness Posted: 25 May 2010 02:00 AM PDT In a new study, researchers have determined that treatment for smoking dependence is as effective among people with severe mental illnesses as it is for the general population. Importantly, they also found that offering such treatments does not appear to cause deterioration in mental health.

Tissue engineering technique yields potential biological substitute for dental implants Posted: 24 May 2010 11:00 PM PDT A pioneering tissue engineering technique can orchestrate stem cells to migrate to a 3-D scaffold infused with growth factor, holding the translational potential to yield an anatomically correct tooth in as soon as nine weeks once implanted.

Anti-aging supplements may be best taken not too late in life Posted: 24 May 2010 11:00 PM PDT Researchers investigated the potential anti-aging benefits of a commercially available mixture marketed for relieving chronic fatigue and protecting against muscle aging. The findings in rats suggest anti-aging supplements made up of mixtures might be better than single compounds at preventing decline in physical function.

Using remote sensing to track invasive trees Posted: 24 May 2010 11:00 PM PDT A team of agricultural scientists has refined remote sensing tools for identifying invasive Ashe juniper shrubs and trees in central Texas and nearby regions. These findings can help rangeland managers determine the extent and severity of Ashe juniper infestations and boost mitigation efforts.

Frequent doctor visits help diabetics lower blood pressure more quickly Posted: 24 May 2010 11:00 PM PDT Frequent doctor visits helped diabetes patients lower their high blood pressure to normal quicker, according to a large study.

Antibacterial silver nanoparticles are a blast Posted: 24 May 2010 11:00 PM PDT In a new article, researchers explain how blasting silver nitrate solution with an electron beam can generate nanoparticles that are more effective at killing all kinds of bacteria, including gram-negative species that are not harmed by conventional antibacterial agents.

Obesity remains an economic issue, research finds Posted: 24 May 2010 11:00 PM PDT Nutrition researchers are asking: "Who buys what foods, why, where and for how much?" The answers might surprise you. Most studies have used distance to the nearest supermarket as the best predictor of whether people have good diets and better health. But new research finds that's not true. Driving further to save money on groceries is common. For that reason, physical proximity to a supermarket may not, by itself, assure a healthy diet.

Well-tolerated radiotherapy provides longer life to patients with recurrent brain cancer Posted: 24 May 2010 08:00 PM PDT Patients who received hypofractionated stereotactic radiotherapy for their recurrent brain cancers lived longer lives, according to researchers.

Nine new species for Tasmania's disappearing handfish family Posted: 24 May 2010 08:00 PM PDT Nine new species of handfish have been described by Australian scientists in research that highlights an urgent need to better understand and protect the diversity of life in Australia's oceans. The review brings the family to 14 known species -- six found only in Tasmania and one known from only one specimen possibly collected in Tasmania by early European explorers, yet not recorded since. It also deepens concerns about declining populations of some handfishes.

Most patients survive common thyroid cancer regardless of treatment Posted: 24 May 2010 08:00 PM PDT Individuals with papillary thyroid cancer that has not spread beyond the thyroid gland appear to have favorable outcomes regardless of whether they receive treatment within the first year after diagnosis, according to a new report.

Flexible treatment intervention associated with greater improvement in anxiety symptoms Posted: 24 May 2010 08:00 PM PDT An intervention in primary care settings that allowed a choice of cognitive behavior therapy, medication or both, along with computer-assisted treatment support for patients with common anxiety disorders, resulted in greater improvement in anxiety symptoms and functional disability compared to usual care, according to a new study.

DNA sequence itself influences mutation rate, new research indicates Posted: 24 May 2010 05:00 PM PDT Genetic variation due to DNA mutation is a driving force of adaptation and evolution, as well as a contributing factor to disease. However, the mechanisms governing DNA mutation rate are not well understood. In a new study, researchers have identified intrinsic properties of DNA that influence mutation rate, shedding light on mechanisms involved in genome maintenance and potentially disease.

Cancer-targeting virus delivered by IV is successful in treating advanced cancers, research finds Posted: 24 May 2010 05:00 PM PDT Intravenous delivery of a cancer-targeting virus is successful in destroying cancer cells that have spread throughout the body, according to new research.

When it comes to security, think 'natural': Security organizations could be more effective if officials learn from nature Posted: 24 May 2010 05:00 PM PDT Security organizations could be more effective if officials learn from occurrences in the environment, researchers suggest in a new article. The authors are working with security and disaster management officials to help put some of their recommendations -- such as decentralizing forces and forming alliances -- into practice.

Four biomarkers important in colerectal cancer treatment prognosis discovered Posted: 24 May 2010 05:00 PM PDT The science of microRNAs continues to generate new insights into cancer and disease treatment. New research shows that four specific miRNAs will help predict which patients are more likely to develop aggressive colorectal cancer and which are not. The findings also shed light on the genetics that result in worse colorectal cancer-treatment outcomes for African-Americans, compared with Caucasians.

Intelligent therapies with virtual reality for the psychological treatment of patients suffering from fibromyalgia Posted: 24 May 2010 05:00 PM PDT Researchers in Spain have developed a new therapy based on the use of mobile devices and virtual reality for the psychological treatment of patients suffering from fibromyalgia.

It's the little things: Everyday gratitude as a booster shot for romantic relationships Posted: 24 May 2010 05:00 PM PDT Our busy lives sometimes feel like they are spinning out of control, and we lose track of the little things we can do to add meaning to our lives and make our loved ones feel appreciated. A new article in points the way to the methods of gratitude we can use to give a boost to our romantic relationships, and help us achieve and maintain satisfaction with our partners.

Ultraviolet radiation not culprit killing amphibians, research shows Posted: 24 May 2010 02:00 PM PDT In nature, ultraviolet radiation from sunlight is not the amphibian killer scientists once suspected. Naturally occurring murky water and females who choose to lay their eggs in the shade keep embryos of one of the nation's most UV-sensitive amphibian species out of harm's way most of the time, new research shows.

Alcohol consumption may protect against risk of Alzheimer's disease, particularly in female nonsmokers, study finds Posted: 24 May 2010 02:00 PM PDT Knowledge regarding environmental factors influencing the risk of Alzheimer's disease is surprisingly scarce, despite substantial research in this area. In particular, the roles of smoking and alcohol consumption still remain controversial. A new study suggests a protective effect of alcohol consumption on the risk of Alzheimer's disease, particularly in women who do not smoke.

Invention could aid Mars probes' search for life Posted: 24 May 2010 02:00 PM PDT The next generation of Mars rovers could have smaller, cheaper, more robust and more sensitive life-detecting instruments, thanks to an advance in mass spectrometry that will make it easier to direct ions along specified paths. Equipment based on the technology could make the Mars Organic Molecule Analyzer -- part of the 2018 ExoMars mission -- a better life-detecting tool.

Routine breast cancer biopsy might predict lymph node cancer spread Posted: 24 May 2010 02:00 PM PDT Predicting breast cancer spread from a sentinel lymph node removed during surgery is a hit or miss affair, say researchers: there are still many false negatives, which means the node, when analyzed under a microscope, appears clean of cancer cells, but metastasis can still occur in the patient. The sentinel node is the first lymph node in the axilla that cancer spreads to.

How grazing lands influence greenhouse gas Posted: 24 May 2010 02:00 PM PDT Scientists estimated net global warming potential for three grazing management systems located in central North Dakota. The results indicate that grazing lands are strong sinks of soil organic carbon and minor sinks of methane, but small to moderate sources of nitrous oxide.

More than 3,500 pediatric injuries related to crutches, walkers and wheelchairs each year in the US, study finds Posted: 24 May 2010 02:00 PM PDT Children and adolescents with an injury or disability may use mobility aids such as crutches, walkers and wheelchairs to help them move around more easily. However, use of these aids has been associated with risk for injury. A new study found that more than 63,000 pediatric mobility aid-related injuries were treated in United States emergency departments from 1991-2008, and the annual number of cases increased 23 percent during the 19-year study period.

Regular violent eruptions from interacting pair of stars Posted: 24 May 2010 11:00 AM PDT Astronomers have spotted violent eruptions from an interacting pair of stars that orbit around each other every 25 minutes. Unusually, these outbursts take place at regular and predictable intervals, erupting every two months. The new observations were made using the fully robotic Liverpool Telescope sited in the Canary Islands and the orbiting Swift observatory.

'Stress' protein could halt aging process, say scientists Posted: 24 May 2010 11:00 AM PDT Scientists have discovered that a protein which responds to stress can halt the degeneration of muscle mass caused during the body's aging process.

3-D model of blood flow by supercomputer predicts heart attacks Posted: 24 May 2010 11:00 AM PDT Researchers in Switzerland have developed a flowing 3-D model of the cardiovascular system that should allow for predictions of certain heart diseases before they become dangerous.

Lung cancer: Biopsy-based study tilts field toward personalized treatment Posted: 24 May 2010 11:00 AM PDT The first lung cancer clinical trial to guide targeted therapies to patients based on molecular signatures in tumor biopsies is a step toward personalized care and more effective, efficient clinical trials for new drugs, study leaders report.

'Printing' pills to order: Research to create safer, faster-acting medicines Posted: 24 May 2010 11:00 AM PDT A collaboration in the UK is looking at 'printing' pills to order, to create safer and faster-acting medicines. The research is set to revolutionize a process which has remained unchanged for over a thousand years.

Early detection of Parkinson's disease by voice analysis Posted: 24 May 2010 11:00 AM PDT A new technique assisting in early diagnosis of Parkinson's disease has been developed. It involves analysis of voice and articulation.

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