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Science News Archive 2008


Page 35 of 240

Doctors should disclose off-label prescribing to their patients

A new study in PLoS Medicine argues that doctors should disclose off-label prescribing to patients to ensure informed consent and shared decision-making. Off-label prescriptions, which account for half of all US prescriptions, are often not supported by sound scientific evidence and can pose serious risks to patients.

Researchers use chemical from medicinal plants to fight HIV

Researchers at UCLA discovered a chemical called TAT2 that can prevent or slow telomere shortening in immune cells, potentially making it a key weapon in the fight against HIV. The study found that TAT2 treatment prolonged the ability of killer T-cells to divide and inhibited HIV production.

Apple iPhone 17 Pro

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

Malinovskaya’s research featured in Optics Letters

Malinovskaya's research aims to control coherence and overcome current barriers in quantum computing, molecular selective bio-imaging, and Raman microscopy. By using femtosecond, chirped laser pulse trains, she can selectively prepare target molecules in the excited state and restore coherence periodically.

Forced evolution: Can we mutate viruses to death?

A new study by Rice University bioengineers provides a comprehensive mathematical analysis of virus evolution, incorporating gene swaps and recombination. The results suggest that designing drugs that force viruses to mutate themselves out of existence may be possible, potentially eradicating disease.

High temperatures decrease antifungal properties of contact solution

Exposure to high temperatures reduces antifungal activity of ReNu with MoistureLoc contact lens solution, associated with the 2004-2006 Fusarium keratitis epidemic. The study found that storage at 60°C (140°F) for four weeks led to a significant decline in antimicrobial activity.

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.

International Journal of Social Robotics debuts at Springer

The International Journal of Social Robotics will cover a broad array of topics related to socially interactive robots, including design philosophies, human-robot interaction, and neurorobotics. The journal aims to provide an overview of the current state of the field and its impact on society.

Umbilical cord blood may help build new heart valves

Researchers have successfully grown human-like tissue in the lab using umbilical cord blood stem cells to create functional heart valves. The tissue-engineered valves exhibited properties similar to those of natural human valves, including collagen and elastin production.

DOE's Oak Ridge supercomputer now world's fastest for open science

The upgraded Oak Ridge National Laboratory supercomputer has achieved a sustained performance of over 1.3 petaflops, enabling researchers to simulate physical processes on an unprecedented scale. The new system will facilitate breakthroughs in climate modeling, renewable energy, and materials science.

White vans go green

Researchers have designed a new rear spoiler that can reduce drag and lift significantly, resulting in improved fuel consumption and vehicle handling. The spoiler's unique design can improve fuel efficiency by up to several miles per gallon and lower carbon emissions.

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.

In the absence of sexual prospects, parasitic male worms go spermless

A team of scientists discovered that parasitic nematode worms, Steinernema longicaudum, do not produce sperm when females are absent. This unusual behavior is thought to be related to the worms' life history and social circumstances, where males may need to wait for a mate to mature before reproducing.

Heart's surplus energy may help power pacemakers, defibrillators

Researchers have developed a microgenerator that harnesses the heart's surplus energy to produce electricity for pacemakers and defibrillators. The innovative system, called SIMM, has shown promising results in increasing energy production with each heartbeat, potentially leading to longer-lasting devices.

Brain imaging study supports the 'cognitive reserve' hypothesis

A brain imaging study found that individuals with higher education levels scored higher on cognitive tests despite having evidence of brain plaques associated with Alzheimer's disease. The study supports the 'cognitive reserve' hypothesis, which suggests that greater cognitive abilities can delay symptoms of the disease. Education was ...

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.

Newborn neurons in the adult brain can settle in the wrong neighborhood

Researchers at the Salk Institute found that a protein called cdk5 is necessary for correct neural migration and dendritic pathfinding in adult brains. Disabling cdk5 made newborn neurons form connections in the wrong part of the brain, with inappropriate synaptic connections persisting for months after treatment.

Celestron NexStar 8SE Computerized Telescope

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

McGill professor awarded grant to continue neuropathy research

Dr. Gary J. Bennett's research focuses on understanding how chemotherapy drug paclitaxel causes neuropathy, a painful and debilitating side effect of cancer treatment. The $80,000 grant will support his two-year study to identify novel mechanisms and potentially lead to new therapeutic strategies.

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.

Daily rhythms in blood vessels may explain morning peak in heart attacks

Researchers from Emory University School of Medicine have found daily rhythms in blood vessel activity may help explain morning peak in heart attacks. The study revealed that the lining of blood vessels functions better at night, with endothelial function being particularly depressed in early morning hours.

Deep sea expedition sets sail

A University of Delaware-led research team is conducting a deep-sea expedition to study hydrothermal vents on the Pacific ocean floor. The team, including experts on marine viruses and protists, aims to explore the ecosystems surrounding these underwater oases of life.

Meta Quest 3 512GB

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

Can vitamins and minerals prevent hearing loss?

Researchers at Michigan Medicine have discovered a vitamin and mineral combination that may prevent hearing loss caused by loud noises. The formula, called AuraQuell, was successful in laboratory tests and is now being tested in human clinical trials.

Study doubles species diversity of enigmatic 'flying lemurs'

A new report published in Current Biology reveals that the Sunda colugo has at least three separate species, with each geographic region harboring its own unique species. The findings have important conservation implications for these enigmatic mammals.

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.

New performance measures on performance measurement and reperfusion therapy

The document provides a comprehensive assessment of care by establishing new performance measures, including the importance of acute reperfusion therapy and the need for accountability in providing timely treatment. It also addresses concerns about exclusion criteria and the determination of when measurement stops.

Evidence does not support current guidelines for use of beta-blocker therapy

A meta-analysis of 33 trials found no significant reduction in mortality risk with beta-blockers in non-cardiac surgery patients, but did reduce heart attack and vessel blockage risk; however, it also increased stroke risk. The authors call for reevaluation of guidelines until conclusive evidence is available.

3 clinical features identified to avoid misdiagnosis of TIAs

Studies found three clinical features that can help accurately diagnose transient ischemic attacks (TIAs), including the speed of onset and a patient's medical history. These features correctly classified 79% of cases, leading to improved diagnosis accuracy and reduced risk of misdiagnosis.

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.

Battling bacteria in the blood: Researchers tackle deadly infections

New computer-based models describe how bacteria act within blood vessels and can be filtered out, offering insights into treatment options for bacteremia and sepsis. The models validate laboratory experiments in mice and have implications for developing new treatments for deadly bacterial infections.

Wake Forest Baptist to receive nearly $2 million to expand geriatrics program

The grant will support the development of leaders in geriatric medicine and teaching programs, as well as new training opportunities for medical students and residents. The Wake Forest University School of Medicine will also establish a curriculum for specialty physicians to integrate geriatrics principles into their teaching programs.

Liquid or solid? Charged nanoparticles in lipid membrane decide

Researchers at the University of Illinois have discovered a new way to stimulate patchiness in phospholipid membranes using charged nanoparticles. This phenomenon allows the membrane to coexist in two phases - solid and liquid - depending on what binds to it, offering a new mechanism for modulating stiffness in membranes.

Crossing the digital divide

A new study by the Oregon Evidence-based Practice Center finds that patients are more likely to use interactive health IT systems when they perceive a real health benefit and receive tailored feedback. The most effective disease self-management systems provide a complete feedback loop with active participation from physicians, current ...

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.

What makes an axon an axon?

Scientists have discovered that a protein banished from mature axons allows them to transform into dendrites. This process could occur after nerve cell damage, raising possibilities for the reverse transformation.

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.

Caring for the caregiver: Redefining the definition of patient

A recent Indiana University study reveals that 25% of family caregivers of Alzheimer's patients visit the emergency room or are hospitalized every six months. The study emphasizes the need for a broader definition of patient to include both the individual with dementia and their caregiver.

Eliminating soda from school diets does not affect overall consumption

Reducing availability of sugar-sweetened beverages in schools had limited effect on total consumption by adolescents. Consumption of SSB decreased across all students, regardless of whether they attended an intervention or control school, suggesting that successful reduction can occur but may not lead to significant change.

Tillage, rotation impacts peanut crops

A new study published in Agronomy Journal reveals that reduced tillage can increase peanut crop yields, but the effects of crop rotation and tillage on pest development are more complex. The research found an independent relationship between tillage and rotation practices with respect to peanut yield and pest development.

November/December 2008 Annals of Family Medicine tip sheet

Studies examine racial and ethnic disparities in hypertension care and control, finding that racial disparities contribute to nearly 8,000 preventable deaths from heart disease and stroke annually. Researchers also investigate how medication prescribing and blood pressure control vary between ethnic groups in England, revealing signifi...

Fluke 87V Industrial Digital Multimeter

Fluke 87V Industrial Digital Multimeter is a trusted meter for precise measurements during instrument integration, repairs, and field diagnostics.

Reynolds Foundation awards UT Southwestern grant to expand geriatric training

The Donald W. Reynolds Foundation has awarded UT Southwestern Medical Center a nearly $2 million grant to expand geriatric training in the medical school curriculum. The Southwestern Aging and Geriatrics Education (SAGE) program will improve physician trainees' knowledge, skills, and attitudes towards caring for elderly patients.

No drop in IQ seen after bypass for child heart surgery

Researchers found no significant difference between pediatric patients who underwent cardiopulmonary bypass and those who did not, in terms of I.Q. scores and neuropsychological tests. The study provides good news for school-aged children with less complex heart defects undergoing surgery.

Getting little sleep may be associated with risk of heart disease

A study published in Archives of Internal Medicine found that sleeping less than seven and a half hours per day is associated with future risk of heart disease. Patients with shorter sleep duration plus overnight increased blood pressure had a higher incidence of heart disease.

Sexual intimacy and breast cancer survivors: New research

A new study by Indiana University found that young female breast cancer survivors experience significant problems related to sexual arousal, desire, and orgasm. Many reported vaginal dryness, genital pain, premature menopause, fatigue, and fertility issues, highlighting the need for research on strategies to address these challenges.

Study improves recovery for mothers with depression

A new therapy programme has been developed to treat depression in women in developing countries, improving recovery rates and reducing serious consequences. The programme, using community health workers, was tested in Rawalpindi, Pakistan, and showed significant results.

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.

Antibiotic use increases at academic medical centers

Between 2002 and 2006, antibiotic use increased significantly at academic medical centers, driven by broader-spectrum agents and vancomycin. This trend is concerning, as it can lead to the development of drug-resistant bacteria, increasing illness, death, and healthcare costs.

Pollinator decline not reducing crop yields just yet

Despite pollinator decline, global crop yields have consistently grown at 1.5% per year since 1961 due to agricultural improvements. However, research detected warning signs of growing demand for pollinators and declining yield growth in highly dependent crops.

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.