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Science News for July 23, 2009


The disease markers that will aid arthritis research

A new study has developed a combination of biochemical and MRI-based biomarkers that will improve the measurement of osteoarthritis progression. The aggregate cartilage longevity marker outperformed individual markers in diagnosis and prognosis, allowing for more effective treatment trials.

SourceBMC (BioMed Central)·JournalArthritis Research & Therapy·DateJul 23, 2009

Mass. General team develops potentially safer general anesthetic

A new general anesthetic called MOC-etomidate has been developed that maintains blood pressure stability while avoiding prolonged adrenal gland suppression. Animal studies verify its effectiveness in inducing anesthesia without adverse effects on blood pressure or adrenal activity.

SourceMassachusetts General Hospital·JournalAnesthesiology·DateJul 23, 2009
SAMSUNG T9 Portable SSD 2TB

SAMSUNG T9 Portable SSD 2TB transfers large imagery and model outputs quickly between field laptops, lab workstations, and secure archives.

Looking different 'helps animals to survive'

Scientists have developed computer models explaining polymorphism in animal populations, where individuals can display multiple distinct forms. The research suggests that a modest level of predator dietary wariness is sufficient to maintain large numbers of prey forms within a single species.

SourceUniversity of York·JournalEvolution·DateJul 23, 2009

Synchronized swimming of algae

Researchers found individual algal cells can regulate flagellar beating in synchrony to control swimming trajectories, exhibiting two distinct modes: synchronous and unsynchronised. This study reveals hydrodynamic interactions as the driving force behind synchronization.

SourceUniversity of Cambridge·JournalScience·DateJul 23, 2009

Lung volume reduction surgery shown to prolong and improve life for some emphysema patients

Patients who underwent lung reduction surgery showed a significant survival benefit compared to medical treatment, with an average time until a 'composite event' of two years. The procedure also improved quality of life for at least five years post-operative period, especially in patients with upper-lobe-predominant emphysema.

SourceAmerican Thoracic Society·JournalAmerican Journal of Respiratory and Critical Care Medicine·DateJul 23, 2009
Apple iPhone 17 Pro

Apple iPhone 17 Pro delivers top performance and advanced cameras for field documentation, data collection, and secure research communications.

Is RTA a new potential option for the treatment of hydatid cysts?

Researchers successfully treated hydatid cysts with RTA, achieving a 100% success rate in necrosis of the endocyst and minimal host tissue damage. The technique also avoided post-RTA fistula occurrence and chemical cholangitis or pneumonia.

SourceWorld Journal of Gastroenterology·JournalWorld Journal of Gastroenterology·DateJul 23, 2009

Short stressful events may improve working memory

Researchers found that acute stress enhances learning and memory by increasing glutamate transmission in the prefrontal cortex. The study suggests that moderate stress may be beneficial for cognitive function, contradicting the common perception of chronic stress as detrimental.

SourceUniversity at Buffalo·JournalProceedings of the National Academy of Sciences·DateJul 23, 2009

New drug may reduce heart attack damage

A novel drug Dz13 has been shown to reduce heart muscle damage after a heart attack and protect the heart's pumping action. The drug targets the c-Jun gene, which is responsible for inflammation and muscle death in the aftermath of a heart attack.

SourceUniversity of New South Wales·DateJul 23, 2009
Apple AirPods Pro (2nd Generation, USB-C)

Apple AirPods Pro (2nd Generation, USB-C) provide clear calls and strong noise reduction for interviews, conferences, and noisy field environments.

Getting to the bottom of rice

A global research team analyzed the genomes of twenty genetically diverse rice types to identify favorable traits and their DNA variations. This breakthrough enables breeders to develop new and improved rice varieties more effectively, particularly in addressing climate change impacts.

SourceMax-Planck-Gesellschaft·JournalProceedings of the National Academy of Sciences·DateJul 23, 2009

Genetically engineered bacteria compute the route

Researchers created 'bacterial computers' that can solve complex mathematical problems, such as the Hamiltonian Path Problem and Burnt Pancake Problem. The innovation uses synthetic biology techniques to enable living cells to perform calculations, opening up new applications for biology and mathematics.

SourceBMC (BioMed Central)·JournalJournal of Biological Engineering·DateJul 23, 2009

Resistance to antibiotics: When 1+1 is not 2

Research reveals that bacteria's survival rate increases when resistant to two antibiotics, contrary to expected outcomes. This discovery highlights the importance of understanding genetic interactions in determining antibiotic resistance.

SourceInstituto Gulbenkian de Ciencia·JournalPLOS Genetics·DateJul 23, 2009

When the going gets noisy, some birds get going; others thrive

Research finds that certain bird species can thrive in noisy areas due to a common predator's avoidance of noise, while others avoid nesting in noisy spots. The study suggests that mitigating noise pollution through better infrastructure design could help preserve bird diversity.

SourceCell Press·JournalCurrent Biology·DateJul 23, 2009
Apple MacBook Pro 14-inch (M4 Pro)

Apple MacBook Pro 14-inch (M4 Pro) powers local ML workloads, large datasets, and multi-display analysis for field and lab teams.

Fresh meats often contain additives harmful to kidney disease patients

A recent study found that 'enhanced' fresh meat products often contain high levels of phosphorous and potassium not listed on food labels. This can be problematic for kidney disease patients who must limit these substances to avoid premature death.

SourceAmerican Society of Nephrology·JournalClinical Journal of the American Society of Nephrology·DateJul 23, 2009

Human-dog communication -- breed as important as species

Research found that gun dogs and sheep dogs excel in following a pointing finger, while hunting hounds and mongrels struggle. Breed characteristics with short noses and central eyes also improve comprehension. The study cautions against making generalizations about the effects of domestication on dog behavior.

SourceBMC (BioMed Central)·JournalBehavioral and Brain Functions·DateJul 23, 2009

Lisbon researcher gets set-up grant

Lars Jansen, a young researcher from the Instituto Gulbenkian de Ciência, has been awarded an EMBO Installation Grant to establish a new research group in Portugal. The grant provides funding and support to help him develop his research infrastructures and integrate into the European scientific community.

SourceEMBO·DateJul 23, 2009
Celestron NexStar 8SE Computerized Telescope

Celestron NexStar 8SE Computerized Telescope combines portable Schmidt-Cassegrain optics with GoTo pointing for outreach nights and field campaigns.

Even healthy lungs labor at acceptable ozone levels

Researchers found that even at low ozone concentrations, healthy individuals can experience significant decreases in lung function after moderate exercise. The study suggests that healthier individuals may exhibit individual variability in their responses to ozone, with some showing strong sensitivity while others are less affected.

SourceAmerican Thoracic Society·JournalAmerican Journal of Respiratory and Critical Care Medicine·DateJul 23, 2009

Tips from the American Journal of Pathology

Researchers at Keio University found that matrix metalloproteinases improve wound healing in mice, while a complement inhibitor FUT-175 delays autoimmune disease onset. Additionally, a new target for tumor angiogenesis inhibition and bone morphogenic protein-7 (BMP-7) have been identified as potential therapies for liver high blood pre...

SourceAmerican Journal of Pathology·JournalAmerican Journal Of Pathology·DateJul 23, 2009

EPA grant to University of Chicago for research on food allergy triggers

The US EPA has awarded a grant to investigate how food allergies are initiated, with potential breakthroughs in predicting allergic reactions to genetically engineered foods. The study aims to identify key immune factors leading to food allergies, affecting approximately 3 million children in the US.

SourceU.S. Environmental Protection Agency·DateJul 23, 2009
Nikon Monarch 5 8x42 Binoculars

Nikon Monarch 5 8x42 Binoculars deliver bright, sharp views for wildlife surveys, eclipse chases, and quick star-field scans at dark sites.

New lab test helps predict kidney damage

A new laboratory test called urine neutrophil gelatinase associated lipocalin (NGAL) has been found to help predict acute kidney injury (AKI) in intensive care patients. NGAL levels are also higher in patients with HIV-associated nephropathy, a complication of HIV affecting African Americans and black Africans.

SourceAmerican Society of Nephrology·JournalJournal of the American Society of Nephrology·DateJul 23, 2009

Parasites keep things sexy in 'hotspots'

Research finds freshwater snails reproduce more when infected with trematode parasites in shallows, supporting the Red Queen hypothesis and Geographic Mosaic Theory. Parasites enhance sexual reproduction by increasing selection on species interactions over small spatial scales.

SourceCell Press·JournalCurrent Biology·DateJul 23, 2009

Some blood pressure drugs may help protect against dementia, study shows

Researchers found that centrally-acting ACE inhibitors, which cross the blood-brain barrier, may reduce inflammation and cognitive decline in patients with hypertension. These medications showed a significant association with lower rates of mental decline, particularly those taking drugs like captropril and lisinopril.

SourceAtrium Health Wake Forest Baptist·JournalArchives of Internal Medicine·DateJul 23, 2009
AmScope B120C-5M Compound Microscope

AmScope B120C-5M Compound Microscope supports teaching labs and QA checks with LED illumination, mechanical stage, and included 5MP camera.

Study finds rapid growth in health costs hurts economic performance of US industries

A RAND Corporation study finds that industries with a larger percentage of workers receiving employer-sponsored health insurance experience lower employment growth and lower output compared to those without such benefits. This trend is driven by the need for employers to increase compensation due to rising health insurance premiums.

SourceRAND Corporation·JournalHealth Services Research·DateJul 23, 2009

The 'see food' diet

A diet high in omega-3 fatty acids has been found to protect against a variety of diseases, including age-related macular degeneration. The study suggests that a diet enriched in EPA and DHA can ameliorate the progression of retinal lesions in a mouse model of AMD.

SourceAmerican Journal of Pathology·JournalAmerican Journal Of Pathology·DateJul 23, 2009

Emphysema severity directly linked to coal dust exposure

A new study found that cumulative exposure to respirable coal mine dust is a significant predictor of emphysema severity in both smokers and never-smokers. The researchers also discovered that emphysema was more severe among miners compared to non-miners, regardless of smoking status.

SourceAmerican Thoracic Society·JournalAmerican Journal of Respiratory and Critical Care Medicine·DateJul 23, 2009
Sony Alpha a7 IV (Body Only)

Sony Alpha a7 IV (Body Only) delivers reliable low-light performance and rugged build for astrophotography, lab documentation, and field expeditions.

Bcl6 gene sculpts helper T cell to boost antibody production

Scientists at the University of Texas M. D. Anderson Cancer Center have discovered that the Bcl6 gene plays a crucial role in differentiating naive T cells into helper T cells, which then fuel rapid growth and diversification of antibodies in germinal centers. This process is essential for the adaptive immune system to produce effectiv...

SourceUniversity of Texas M. D. Anderson Cancer Center·JournalScience·DateJul 23, 2009

Reprogrammed mouse fibroblasts can make a whole mouse

Scientists have reprogrammed mouse fibroblasts to create whole mice using tetraploid complementation, a significant advancement in understanding induced pluripotent stem cells. This achievement offers hope for overcoming embryo destruction in pluripotent cell derivation and potentially revolutionizing regenerative medicine.

SourceCell Press·JournalCell Stem Cell·DateJul 23, 2009

Carnegie Mellon team makes sequestration recommendations

A new set of policy briefs from Carnegie Mellon University recommends a uniform regulatory environment to support large-scale deployment of carbon sequestration technology in the US. The team proposes an adaptive two-stage approach to regulation and specific changes to federal law and agency rules to address regulatory and legal barriers.

SourceCarnegie Mellon University·DateJul 23, 2009
Apple iPad Pro 11-inch (M4)

Apple iPad Pro 11-inch (M4) runs demanding GIS, imaging, and annotation workflows on the go for surveys, briefings, and lab notebooks.

Embarrassing illnesses no bar to information sharing

A new study published in BMC Medical Ethics found that the purpose and type of information collection were more important than the individual's condition in determining consent choices. Participants preferred more control over the use of their personal information, especially when it linked to profit or personal details.

SourceBMC (BioMed Central)·JournalBMC Medical Ethics·DateJul 23, 2009

Parasitic worms make sex worthwhile

Biologists discovered that parasites drive snails to reproduce sexually, increasing genetic diversity and resistance to infection. The study supports the Red Queen Hypothesis and Geographic Mosaic Theory, showing that host species can adapt to avoid parasite coevolution by producing genetically variable offspring.

SourceIndiana University·JournalCurrent Biology·DateJul 23, 2009

A simpler definition for major depressive disorder

A new definition of major depressive disorder (MDD) suggests that only mood and cognitive symptoms are included, excluding somatic criteria. This revised definition was found to be highly concordant with the current version in a large sample of psychiatric outpatients, offering benefits such as reduced time needed for assessment and sh...

SourceLifespan·JournalPsychological Medicine·DateJul 23, 2009

Technology improves salmon passage at hydropower dams

Researchers at PNNL developed acoustic tags to measure salmon survival rates and a hydro model to direct fish away from predators. These technologies aid in improving salmon passage at Columbia Basin's hydroelectric dams.

SourceDOE/Pacific Northwest National Laboratory·DateJul 23, 2009
Meta Quest 3 512GB

Meta Quest 3 512GB enables immersive mission planning, terrain rehearsal, and interactive STEM demos with high-resolution mixed-reality experiences.

Safer hair dyes and cosmetics to be made from Shetland seaweed

Scientists at the University of Leeds are developing safer hair dyes and cosmetics using compounds extracted from Shetland seaweed, which can replace synthetic ingredients found in current products. The project aims to create a new range of colours including blonde, brown, red, and black.

SourceUniversity of Leeds·DateJul 23, 2009

Improving impaired attention may help patients recover from stroke

Researchers found that Attention Process Training (APT) improved attention in 78 stroke survivors, with average improvements of 2.49 standard deviations higher than standard care patients on full-scale attention scores. APT is a viable and effective way to improve attention deficits after stroke.

SourceAmerican Heart Association·DateJul 23, 2009
Creality K1 Max 3D Printer

Creality K1 Max 3D Printer rapidly prototypes brackets, adapters, and fixtures for instruments and classroom demonstrations at large build volume.

Case Western Reserve University receives $3.7M NIH grant to study autonomic nervous system link to painful bladder syndrome

Researchers will investigate whether abnormal autonomic nervous system function is the primary cause of painful bladder syndrome, a condition affecting young women with severe bladder pain and disability. The five-year study aims to lead to better understanding of the causes and possible treatments for this condition.

SourceCase Western Reserve University·DateJul 23, 2009

The paradox of loyalty

Researchers found that loyalists who were most devoted to their school were also the most cooperative and helpful when confronted with injustice. However, this loyalty was short-term and may fade if the group continues to exhibit unfairness.

SourceAssociation for Psychological Science·JournalPsychological Science·DateJul 23, 2009

Stem cells not the only way to fix a broken heart

Researchers have devised a new method to fix a broken heart by coaxing adult heart muscle cells into reentering the cell cycle, allowing them to divide and regenerate healthy heart tissue. The key ingredient is neuregulin1, which may one day be used to treat failing human hearts.

SourceCell Press·JournalCell·DateJul 23, 2009
Sky & Telescope Pocket Sky Atlas, 2nd Edition

Sky & Telescope Pocket Sky Atlas, 2nd Edition is a durable star atlas for planning sessions, identifying targets, and teaching celestial navigation.

Scientists discover key event in prostate cancer progression

Researchers at Ohio State University Comprehensive Cancer Center and Dana-Farber Cancer Institute reveal how late-stage prostate tumors gain ability to grow without hormones. The study identifies a gene called UBE2C as key regulator in hormone-independent growth.

SourceOhio State University Wexner Medical Center·JournalCell·DateJul 23, 2009

Medical ethics and Guantanamo Bay: Time for reform

The US Department of Defense has been criticized for its handling of medical care at Guantanamo Bay, with a report highlighting concerns over the use of medical personnel in interrogation and force-feeding of detainees on hunger strike. Independent examinations of released detainees have shown severe psychological damage from detention.

SourceThe Lancet_DELETED·JournalThe Lancet·DateJul 23, 2009

Injection reverses heart-attack damage

A growth factor called neuregulin1 can spur heart-muscle growth and recovery of cardiac function when injected systemically into animals after a heart attack. Researchers were able to restart the cell cycle with NRG1, stimulating cardiomyocytes to divide and make copies of themselves - even though they are not stem cells.

SourceBoston Children's Hospital·JournalCell·DateJul 23, 2009

Detecting early signs of osteoarthritis

A three-year study is underway to explore the link between knee inflammation and osteoarthritis. Researchers use ultrasound to identify inflammation in people over 55 with knee pain or osteoarthritis.

SourceUniversity of Nottingham·DateJul 23, 2009
Garmin GPSMAP 67i with inReach

Garmin GPSMAP 67i with inReach provides rugged GNSS navigation, satellite messaging, and SOS for backcountry geology and climate field teams.

Sticky protein helps reinforce fragile muscle membranes

A new study identifies alpha dystroglycan as a key protein that binds muscle membranes to the basal lamina, reinforcing membrane integrity. Injecting functional dystroglycan into muscle tissue restored membrane integrity and protected muscles from damage.

SourceUniversity of Iowa·JournalProceedings of the National Academy of Sciences·DateJul 23, 2009

Consulting with clouds: A clear role in climate change

A new study reveals that low-level stratiform clouds appear to dissipate as the ocean warms, indicating that changes in these clouds may enhance global warming. The research also suggests a critical role for weakening trade winds in reducing cloudiness.

SourceUniversity of Miami Rosenstiel School of Marine, Atmospheric, and Earth Science·JournalScience·DateJul 23, 2009

Protein excreted in urine may be help in diagnosing kidney disease caused by HIV

Researchers at Columbia University Medical Center have discovered a protein called NGAL that can help diagnose kidney disease caused by HIV. High levels of the protein in urine may indicate the presence of HIV-associated nephropathy, allowing for earlier intervention and potentially preventing kidney failure.

SourceColumbia University Irving Medical Center·JournalJournal of the American Society of Nephrology·DateJul 23, 2009
DJI Air 3 (RC-N2)

DJI Air 3 (RC-N2) captures 4K mapping passes and environmental surveys with dual cameras, long flight time, and omnidirectional obstacle sensing.

Global team develops tools to unravel diversity of rice

A global team of researchers has developed tools to analyze the genetic diversity of rice, a crucial step towards improving crop yields and securing global food supplies. The comprehensive SNP information will enable exploration of rice diversity for understanding gene function and improving important traits.

SourceInternational Rice Research Institute·JournalProceedings of the National Academy of Sciences·DateJul 23, 2009

Almost 1/4 of Spanish women take antidepressants

A study by researchers from four Madrid-based health centres found that family conflict is not a significant factor in the use of psychopharmaceuticals among Spanish women. The results show that 24% of women take antidepressants, with benzodiazepines used by 30.6%, primarily for sleep aid.

SourceSpanish Foundation for Science and Technology·JournalAtención Primaria·DateJul 23, 2009