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Science News Archive July 2009 - Page 5


Page 5 of 23

UCSF team focuses on patient safety in ambulatory care system

The UCSF team emphasizes that outpatient care for chronic disease patients poses unique challenges, including lack of communication, inadequate resources, and medication management. To improve safety, the authors advocate for targeted safety promotion efforts and robust health information technology systems.

SourceUniversity of California - San Francisco·JournalThe Joint Commission Journal on Quality and Patient Safety·DateJul 27, 2009

Jade sheds light on Guatemala's geologic history

New research on jade found in Guatemala's Motagua fault reveals two collision events between the North American and Caribbean plates. The study uses eclogite dating to pinpoint a 130 million-year-old collision, followed by a second event at 70 million years ago.

SourceAmerican Museum of Natural History·JournalEarth and Planetary Science Letters·DateJul 27, 2009

Study examines modern-day course of type 1 diabetes

Researchers analyzed data from studies on type 1 diabetes to find that intensive treatment can significantly reduce the risk of complications. The study showed improved outcomes in patients treated with more intensive therapy.

SourceJAMA Network·JournalArchives of Internal Medicine·DateJul 27, 2009
Apple Watch Series 11 (GPS, 46mm)

Apple Watch Series 11 (GPS, 46mm) tracks health metrics and safety alerts during long observing sessions, fieldwork, and remote expeditions.

Cardiothoracic surgeons projected to be in short supply by 2025

A study by the Association of American Medical Colleges predicts a 46% increase in demand for cardiothoracic surgeons while supply decreases by 21% by 2025. This shortage could lead to extended waiting times, unnecessary complications, and deaths, particularly affecting populations with limited access to medical care.

SourceAmerican Heart Association·DateJul 27, 2009

UBC researchers help push for standard DNA barcodes for plants

Two UBC researchers are part of an international team recommending standards for DNA barcoding of land plants. They selected two genomic regions as the best candidates for generating barcode data, with a near-unique signature for barcoding and high accuracy in identifying plant species.

SourceUniversity of British Columbia·JournalProceedings of the National Academy of Sciences·DateJul 27, 2009

New method uses electrolyzed water for more efficient fuel production

Researchers at the University of Illinois have developed a new method using electrolyzed water to pretreat ethanol waste products, producing an acetone-butanol-ethanol fuel mix. The traditional chemical-based method is eliminated, reducing inhibitor production and increasing sugar yield.

SourceUniversity of Illinois at Urbana-Champaign, News Bureau·DateJul 27, 2009
GQ GMC-500Plus Geiger Counter

GQ GMC-500Plus Geiger Counter logs beta, gamma, and X-ray levels for environmental monitoring, training labs, and safety demonstrations.

Key OSU water research receives national funding

A $226,890 grant will fund a study on the effects of eastern redcedar encroachment on Oklahoma's tallgrass prairie ecosystem, which can alter precipitation and water loss patterns. The research aims to provide insights for land managers to better understand the impact of woody plant proliferation on water availability.

SourceOklahoma State University·DateJul 27, 2009

Weight loss improves mood in depressed people

Research finds that a weight-loss program significantly improves symptoms of depression and reduces triglycerides in obese patients. After a 6-month behavioral weight loss program, depressed patients lost 8% of their initial weight and reported improvements in depressive symptoms.

SourceSociety for the Study of Ingestive Behavior·JournalAppetite·DateJul 27, 2009

Earliest animals lived in a lake environment, research shows

A UC Riverside-led study found that ancient lake deposits in South China harbor the first animal fossils, dating back 600 million years. The discovery raises questions about where early animals lived and how they adapted to their environment.

SourceUniversity of California - Riverside·JournalProceedings of the National Academy of Sciences·DateJul 27, 2009

New supercomputer to reel in answers to some of Earth's problems

The EMSL's Chinook supercomputer, commissioned for research, can perform over 160 trillion calculations per second, ranking it among the world's top 40 fastest computers. It will aid in understanding complex biological, chemical, and physical processes to address environmental and energy challenges.

SourceDOE/Pacific Northwest National Laboratory·DateJul 27, 2009
Apple iPhone 17 Pro

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

Divorce undermines health in ways remarriage doesn't heal

A study by University of Chicago sociologist Linda Waite found that divorce and widowhood have a detrimental impact on health, even after remarriage. Research based on 8,652 people aged 51 to 61 shows that those who have been divorced or widowed experience worse health outcomes compared to those who remain married.

SourceUniversity of Chicago·JournalJournal of Health and Social Behavior·DateJul 27, 2009

New FDA regulation of tobacco products has problems

A new FDA regulation on tobacco products has been met with criticism from advocates, who argue that it compromises long-term progress in tobacco control. The law repeals federal pre-emption of state and local regulations, but also allows the tobacco industry to rehabilitate its image through FDA-regulated products.

SourcePLOS·JournalPLOS Medicine·DateJul 27, 2009

Placenta-derived stem cells may help sufferers of lung diseases

Researchers have found that placenta-derived stem cells can reduce lung fibrosis and inflammation in mice with bleomycin-induced injury. The study's findings suggest these cells may be useful for cell therapy of fibrotic diseases in the future.

SourceCell Transplantation Center of Excellence for Aging and Brain Repair·JournalCell Transplantation·DateJul 27, 2009

Anemia increases risk of death in the very elderly

A new study published in CMAJ found that anemia in very elderly individuals aged 85 and older is associated with a higher risk of death. The study, which followed 562 participants for five years, found that prevalent anemia at age 85 was linked to increased mortality rates.

SourceCanadian Medical Association Journal·JournalCanadian Medical Association Journal·DateJul 27, 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.

High blood pressure may lead to 'silent' strokes

A study published in Neurology found that people over 60 with high blood pressure are more likely to experience silent strokes. High blood pressure increases the risk by 60%, while white matter hyperintensities nearly double the likelihood of silent strokes.

SourceAmerican Academy of Neurology·JournalNeurology·DateJul 27, 2009

Researchers capture bacterial infection on film

Scientists at the University of Bath and University of Exeter have developed a technique to study bacterial infections in real-time with living organisms. They used fruit fly embryos to track bacterial movement and interaction with the immune system.

SourceUniversity of Bath·JournalPLOS Pathogens·DateJul 27, 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.

University has grand designs to build a house of straw

Researchers at the University of Bath are constructing a two-storey BaleHaus made of prefabricated straw bales and hemp cladding panels to test the sustainability of straw houses. The project aims to reduce carbon emissions and provide eco-friendly housing options.

SourceUniversity of Bath·DateJul 27, 2009

A yeast cancer model for mapping cancer genes

Researchers have developed a yeast model to identify genes that contribute to cancer growth. The study found that point mutations in just a few genetic loci are responsible for the faster growth of cells, rather than aneuploidy. This discovery could help guide the search for new cancer genes in humans.

SourcePLOS·JournalPLOS Biology·DateJul 27, 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.

Case Western Reserve researchers discover the key to malaria susceptibility in children

Case Western Reserve researchers found that prenatal exposure to Plasmodium falciparum results in parasite tolerance, increasing susceptibility to malaria and anemia in young children. The study identified three groups: sensitized, exposed-not-sensitized, and not-exposed, with the latter group having a higher risk of malaria infection.

SourceCase Western Reserve University·JournalPLOS Medicine·DateJul 27, 2009

Discovery to aid in future treatments of third-world parasites

Researchers at the Trudeau Institute have identified a single protein, omega-1, secreted from schistosome eggs that induces a specific immune response. This discovery may lead to new treatments and therapies for schistosomiasis, one of the most important neglected tropical diseases.

SourceTrudeau Institute·JournalJournal of Experimental Medicine·DateJul 27, 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.

Researchers develop 'brain-reading' methods

Scientists at Rutgers University and UCLA have developed a highly accurate way to peer into the brain to uncover a person's mental state. They found that specific mental functions do not correspond directly with certain brain areas but rather a unique pattern of neural connections.

SourceRutgers University·JournalPsychological Science·DateJul 27, 2009

Scientists track impact of DNA damage in the developing brain

Research led by St. Jude Children's Research Hospital scientists shows that switching off a key DNA repair system in the developing nervous system is linked to smaller brain size and problems with movement, memory, and emotion. The study provides new insights into the role of DNA damage response in preventing neurological disease.

SourceSt. Jude Children's Research Hospital·JournalNature Neuroscience·DateJul 27, 2009

Adult cancer survivors at increased risk of psychological distress

Long-term adult cancer survivors face a higher risk of experiencing serious psychological distress due to effects on physical health and social adaptation. Approximately 5.6% of cancer survivors screened positive for severe psychological distress within the previous 30 days.

SourceJAMA Network·JournalArchives of Internal Medicine·DateJul 27, 2009

121 breeding tigers estimated to be found in Nepal

A nationwide tiger population estimate in Nepal reveals the presence of 121 breeding tigers, a promising sign for conservation efforts. The study employed camera trapping and habitat occupancy surveys to derive information on abundance and distribution.

SourceWorld Wildlife Fund·DateJul 27, 2009
Anker Laptop Power Bank 25,000mAh (Triple 100W USB-C)

Anker Laptop Power Bank 25,000mAh (Triple 100W USB-C) keeps Macs, tablets, and meters powered during extended observing runs and remote surveys.

Nanodiamonds deliver insulin for wound healing

Researchers at Northwestern University use nanodiamonds to deliver insulin for wound healing, demonstrating a method for localized release of therapeutic proteins. The nanodiamond-insulin clusters show promise for wound-healing applications and could be integrated into various treatments.

SourceNorthwestern University·JournalBiomaterials·DateJul 27, 2009

Blood flow in Alzheimer's disease

Elevated levels of ECE-2 enzyme are linked to reduced blood flow in the brain, a hallmark of Alzheimer's disease. The findings suggest that drugs blocking endothelin-1 may also benefit Alzheimer's patients.

SourceUniversity of Bristol·JournalAmerican Journal Of Pathology·DateJul 27, 2009

Warmer environment means shorter lives for cold-blooded animals

Research by Stony Brook University researchers found that temperature explains much of the geographic variation in lifespan within species. For a diverse range of species, ambient temperature is the dominant factor controlling lifespan.

SourceStony Brook University·JournalProceedings of the National Academy of Sciences·DateJul 27, 2009

Video shows nanotube spins as it grows

The study provides the first experimental evidence of how individual carbon atoms are added to growing nanotubes. The rotation proceeds in discrete steps, resembling the halting motion of a mechanical clock's second hand, with approximately 24 steps per rotation.

SourceRice University·JournalNano Letters·DateJul 27, 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.

Just expecting a tasty food activates brain reward systems

A study found that expecting tasty food activates brain's orexin system, which is also involved in drug addiction and rewards. This mechanism may explain why people overeat in contexts associated with good food, with implications for obesity treatment.

SourceSociety for the Study of Ingestive Behavior·JournalAppetite·DateJul 27, 2009

After dinosaurs, mammals rise but their genomes get smaller

A recent study found that only one group of mammals - humans, mice, and their close relatives - have seen their genomes decrease in size since the dinosaurs went extinct. This trend continues today, with human genomes undergoing a contraction, although noticeable changes won't be observed for several million years.

SourceIndiana University·JournalGenome Biology and Evolution·DateJul 27, 2009

Orangutans unique in movement through tree tops

Researchers studied orangutan movement to understand how they adapt to challenging environments. Orangutans move with an irregular rhythm, allowing them to cope with tree vibrations and forage safely.

SourceUniversity of Liverpool·JournalProceedings of the National Academy of Sciences·DateJul 27, 2009

Hybrid Linac-MRI system described at medical physics meeting in Anaheim

A new hybrid Linac-MR system has been developed to integrate medical linear accelerators and magnetic resonance imagers for treating certain types of cancer. The system promises to help doctors monitor moving tumors in real-time during radiation treatment, improving precision and reducing damage to surrounding healthy tissue.

SourceAmerican Institute of Physics·DateJul 27, 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.

Grant for brain tumor and deafness research

The Peninsula College of Medicine and Dentistry has received a grant to study the role of brain tumors in deafness and develop non-invasive therapies. The research aims to identify how tumors grow and cause hearing damage, and test drug-based treatments.

SourceThe Peninsula College of Medicine and Dentistry·DateJul 27, 2009

Smoking increases potential for metastatic pancreatic cancer

Research found that smoking increases the likelihood of pancreatic ductal adenocarcinoma becoming metastatic, with osteopontin isoform OPNc playing a key role. High levels of OPNc were detected in 87% of invasive PDA lesions from smokers, correlating with nicotine exposure.

SourceThomas Jefferson University·JournalSurgery·DateJul 27, 2009

HIV uses autophagy for its own means

Researchers have discovered that HIV hijacks the autophagy process to facilitate viral replication and survival. By leveraging this cellular pathway, the virus can evade degradation and complete its maturation process.

SourceRockefeller University Press·JournalJournal of Cell Biology·DateJul 27, 2009

Could therapeutic vaccines treat hard to beat breast cancers?

A study of nearly 1,600 tumor samples found that CT-X genes are expressed in half of ER-negative and triple-negative breast cancers. This suggests a potential new therapy approach for these aggressive breast cancer types. Researchers plan to initiate clinical trials based on the findings.

SourceLudwig Institute for Cancer Research·JournalProceedings of the National Academy of Sciences·DateJul 27, 2009

How the pathology of Parkinson's disease spreads

The study reveals that alpha-synuclein aggregates can pass to new, healthy cells, contributing to the progression of Parkinson's disease. The researchers found that cell-to-cell transmission of alpha-synuclein occurs through endocytosis and is linked to impaired quality-control systems in recipient cells.

SourceUniversity of California - San Diego·JournalProceedings of the National Academy of Sciences·DateJul 27, 2009
Sky-Watcher EQ6-R Pro Equatorial Mount

Sky-Watcher EQ6-R Pro Equatorial Mount provides precise tracking capacity for deep-sky imaging rigs during long astrophotography sessions.

Yawn alert for weary drivers

A computer program can now detect driver yawning, which is a common cause of fatigue and road crashes. The system uses an in-car camera and image-processing software to identify yawning patterns and correlates them with fatigue behavior.

SourceInderscience Publishers·JournalInternational Journal of Computational Vision and Robotics·DateJul 27, 2009

Why retroviruses such as HIV love their neighbors

Researchers at Yale University have discovered that infected cells produce viruses specifically at the point of contact between cells, making cell-to-cell transmission efficient and deadly. The study identified a possible weakness in this transmission chain by finding a sticky protein that docks with uninfected cells.

SourceYale University·JournalPLOS Biology·DateJul 27, 2009
Davis Instruments Vantage Pro2 Weather Station

Davis Instruments Vantage Pro2 Weather Station offers research-grade local weather data for networked stations, campuses, and community observatories.

Ethics review of research in the context of humanitarian relief work

The article describes the functioning of MSF's independent ERB, which has reviewed over 23 proposals since its inception. The board provides crucial ethical oversight to ensure community empowerment and vulnerable individuals' protection in research settings. Additionally, PLOS Medicine editors discuss the role of journals in addressin...

SourcePLOS·JournalPLOS Medicine·DateJul 27, 2009

Health care leaders say need for reform is urgent

A majority of healthcare leaders support a public health care option and innovative provider payment reform to control costs and ensure access to quality care. They also favor a national insurance exchange with standard-setting authority to standardize benefits and set rating rules.

SourceCommonwealth Fund·DateJul 27, 2009

Researchers rapidly turn bacteria into biotech factories

A team of researchers has developed a new cell programming method called MAGE, which enables rapid refinement of bacterial genomes. By editing multiple genes in parallel, the researchers transformed E. coli cells into efficient factories that produce a desired compound in just three days.

SourceHarvard Medical School·JournalNature·DateJul 26, 2009

Common allergy drug reduces obesity and diabetes in mice

Researchers discovered that a common allergy medication can reduce obesity and type 2 diabetes in mice by stabilizing mast cells. A separate study found regulatory T cells play a crucial role in controlling inflammation in fat tissue, suggesting a new connection between immune function and metabolic conditions.

SourceHarvard Medical School·JournalNature Medicine·DateJul 26, 2009
GoPro HERO13 Black

GoPro HERO13 Black records stabilized 5.3K video for instrument deployments, field notes, and outreach, even in harsh weather and underwater conditions.

Surgery remans an option for advanced lung cancer

A major study published in The Lancet found that surgery after chemotherapy and radiation can prolong survival without progression of the lung cancer, but does not improve overall survival compared to conventional treatment alone. Patients who underwent a section of the lung removal saw a major benefit from surgery.

SourceLoyola Medicine·JournalThe Lancet·DateJul 26, 2009

New predictions for sea level rise

Researchers at University of Bristol predict sea level rise will be between 7-82 cm by end of century, similar to IPCC projections. The new model uses fossil coral data and temperature records from ice-core measurements to achieve accurate predictions.

SourceUniversity of Bristol·JournalNature Geoscience·DateJul 26, 2009