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Science News Archive March 2003


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Biological and chemical agents in terrorism examined at AAN Annual Meeting

The AAN Annual Meeting explores the historical use of biological toxins in warfare and global terrorism, with a focus on developing bioterrorism response plans for local hospitals and clinics. Participants will learn emergency medical management and current research on neuroprotective agents against chemical warfare.

Finding ways to best help older Americans

Researchers at the Roybal Centers for Applied Gerontology have been working on translating theory and basic research into practical outcomes for older adults. They emphasize the importance of field research, assessing Useful Field of Vision, and collaboration between researchers and clinicians to address the needs of underrepresented p...

Emory study finds depression has negative impact on CABG outcome

A new Emory University study reveals that depression has a negative impact on CABG outcomes, with depressed patients experiencing less improvement in physical function. The research emphasizes the importance of treating symptoms of clinical depression aggressively in cardiovascular disease patients.

Vegetation essential to balancing climate models

Scientists at MIT found that vegetation growth and decay are crucial for accurate climate models. The Sahara desert's transformation from fertile to arid was only explained when including vegetation as a variable.

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.

Meta Quest 3 512GB

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

ACP: People with diabetes need to know two numbers

The American College of Physicians recommends aiming for blood pressure levels less than 135/80 mm Hg in patients with type 2 diabetes. Thiazide diuretics and ACE inhibitors can be used as first-line agents to control blood pressure, but patients may need multiple medications.

New immune-boosting cancer treatment shows promise

A phase I clinical trial of cytotoxic T-lymphocyte-associated antigen 4 blockade therapy has shown promising results in boosting the immune system against cancer. The treatment enhanced the anti-tumor activity of certain vaccines and improved responses in patients with melanoma and ovarian cancer.

West Nile Virus can cause polio-like symptoms

Researchers found West Nile virus can cause muscle weakness, acute paralysis, and impaired breathing, leading to life-threatening symptoms. Four Mississippi patients who died after developing West Nile virus were examined and showed signs of viral infection in spinal cord autopsies.

Training the ethical doctor

A cohort study found that medical students' ethical skills levelled out over time, suggesting an earlier maturation of ethical abilities than anticipated. Peter Singer suggests ways to strengthen the role of ethics in medical education.

Kestrel 3000 Pocket Weather Meter

Kestrel 3000 Pocket Weather Meter measures wind, temperature, and humidity in real time for site assessments, aviation checks, and safety briefings.

West Nile Virus cases analyzed for prevalence and symptoms

Researchers analyzed 28 West Nile Virus cases, revealing that over half presented with neurological symptoms mimicking other diseases like stroke or Parkinson's. The study aims to increase awareness among neurologists and patients of the varied presentations of West Nile virus.

DAF most helpful for stutterers with atypical auditory anatomy

A study of 14 adults with persistent developmental stuttering found that DAF was more effective for those with atypical auditory anatomy. The research also identified two subgroups: one with rightward planum temporale asymmetry who showed improved fluency, and another with leftward planum temporale asymmetry who did not respond to DAF.

Immunization may prove therapeutic for prion diseases

Researchers found that immunization can stimulate the immune system to combat prion disease, which affects humans and animals. The study suggests that vaccination could be an effective therapy for prion diseases like Creutzfeldt-Jakob disease and Alzheimer's disease.

New Cincinnati Children’s study reveals heart abnormalities in obese children

A new study by Cincinnati Children's Hospital Medical Center has identified heart abnormalities in obese children, revealing significant differences in the function of their hearts. The study used tissue Doppler imaging to assess diastolic function, finding that the hearts of obese children were stiffer and less able to fill with blood.

Apple iPhone 17 Pro

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

Annals of Internal Medicine, tip sheet, April 1, 2003

Research shows a decrease in antibiotic prescriptions in the US, but an increase in broad-spectrum antibiotic use, which can lead to antibiotic resistance. This shift poses significant global public health concerns, particularly for treating infections like HIV, tuberculosis, and malaria.

Parkinson's implant improves quality of life long term

A study involving 34 Parkinson's patients found that the implant improved their quality of life by an average of 22 percent, with significant improvements in mobility and motor functioning. Patients reported substantial improvements in daily activities such as dressing and preparing meals.

Effecting change in prescribing patterns

A randomized controlled trial found no change in prescribing patterns among primary care physicians despite enhanced information on benzodiazepine use. Inappropriate benzodiazepine prescribing remains a significant concern due to its impact on elderly patients.

Diabetic women gain significant health benefits from eating fish

Diabetic women who eat more fish have a significantly lower risk of coronary heart disease, heart attacks, and mortality rates compared to those who rarely consume fish. The study found that higher fish consumption was associated with improved blood vessel functions, reduced blood clot formation, and decreased triglyceride levels.

Vitamin C transforms mouse stem cells into heart muscle cells

Researchers have successfully transformed mouse stem cells into heart muscle cells using vitamin C, a breakthrough that could lead to new treatments for heart failure. The study found that the cells exhibited cardiac myosin and actin, and beat spontaneously, suggesting a potential path forward for clinical applications.

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.

NSAIDS may offer protection against Alzheimer's disease

Researchers found that using nonsteroidal anti-inflammatory drugs (NSAIDs) may help slow the progression of Alzheimer's disease. However, data suggests that low-dose aspirin use does not provide a significant protective effect against developing Alzheimer's.

CRESTOR gets more patients to LDL-C goal than current lipid-lowering therapy

A study published in MERCURY I showed that CRESTOR 10mg effectively lowered LDL-C levels and enabled over eight out of ten patients to achieve their LDL-C goals. The medication demonstrated superior efficacy compared to atorvastatin, making it a valuable treatment option for managing high cholesterol and reducing cardiovascular risk.

Cells use patch to heal tears, avoid destruction and disease

Researchers have found that red blood cells cannot repair tears in their surfaces due to the lack of internal membranes, confirming a decade-old hypothesis. In contrast, muscle cells can rapidly repair tears by sealing them with a large internal membrane.

Prions offer nanotech building tool

Researchers have successfully created electrical wire using prions as a template, which can be coated with gold and silver particles to conduct electricity. This bottom-up approach could revolutionize the manufacturing of nanoscale microcircuits and machines.

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.

Getting a handle on sensitive cycles

A recent study reveals that estrogen receptors are regularly stripped off DNA to make room for new receptors, enabling cells to continuously sense changes in estrogen levels. This mechanism is essential for the proper functioning of genes and may offer new avenues for therapies in estrogen-related diseases.

Fetal heart diagnosis doesn't always predict survival

Research from the University of Michigan found that even with prenatal diagnosis, infants with one or more risk factors have a significantly lower chance of survival. However, in utero diagnosis has led to more pregnant women receiving specialty care, resulting in a higher-risk group of patients.

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.

Immune response depends on key molecule: Research

Researchers have discovered that caspase-8 is essential for the activation of T-cells at the start of the immune response. The study found that inhibiting caspase-8 significantly decreases the immune response.

Folic acid-iron supplements reduce risk of low birth weight

A study by Johns Hopkins Bloomberg School of Public Health found that folic acid-iron supplementation reduced the incidence of low birth weight by 16% and multiple micronutrient supplements by 14%. This research aims to improve maternal health and child survival in developing countries

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.

Growth factor shows promise in Parkinson's patients

A new study reports remarkable improvements in motor skills and dopamine storage in five Parkinson's patients. The treatment, which administered GDNF directly into the brain, showed a 39% improvement in motor skills and 61% improvement in daily living activities.

Dietary fat intake affects hidden stomach flab

A study by Johns Hopkins Medicine found that consuming more saturated fats can lead to higher amounts of visceral fat, which is linked to a stronger risk factor for diabetes and cardiovascular diseases. A diet low in saturated fat and high in polyunsaturated fat, such as the Mediterranean diet, may help reduce visceral fat.

Fluke 87V Industrial Digital Multimeter

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

OHSU scientists define adult stem cell healing abilities

Scientists have discovered that bone marrow-derived stem cells can fuse with liver cells to form healthy, functional cells. This process, called cell fusion, reverses liver damage in mice with a genetic disease, paving the way for potential human treatments.

Early flash flood warning system may save lives, property

Researchers at Penn State have developed an early flash flood warning system that can potentially save lives and property by forecasting extreme weather events. The system uses a combination of dynamical and statistical models to identify patterns and anomalies in atmospheric conditions, allowing for three-day advance warnings.

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.

Two brain systems tell us to breathe

Researchers at UCLA discovered that two cellular networks collaborate to control breathing, with one system responding to sensory feedback and another controlling stability. This finding has important implications for treating neurological disorders such as stroke, multiple sclerosis, and Parkinson's disease.

Myosin V, the molecular motor, moves in ‘monkey-bar’ motion

Researchers from the University of Pennsylvania School of Medicine have found that Myosin V moves in a unique 'hand-over-hand' motion along actin tracks, allowing it to transport molecules without losing contact. This discovery sheds light on how cells convert chemical energy into motion and may offer insights into nanotechnology.

Treatment by an allergy specialist reduces emergency room visits for asthma

A study published in the Journal of Allergy and Clinical Immunology found that allergy specialist care can significantly reduce emergency room visits for asthma. Patients receiving adequate inhaled corticosteroid therapy (at least four canisters per year) and/or allergy specialty care had a lower risk of hospitalization, with 27% showi...

Department of Energy honors PPPL's DeLooper for outreach efforts

The Department of Energy recognizes PPPL's DeLooper for his crucial role in coordinating the Snowmass Fusion Summer Study Workshops, which brought together leading scientists from the US and international community. This success led to a consensus in the fusion community that enabled the Administration to join ITER negotiations.

Celestron NexStar 8SE Computerized Telescope

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

Fruit fly cells reveal Hedgehog's secrets

Scientists used RNA interference to identify four new genes involved in passing along Hedgehog's signal in fruit fly cells. The study suggests that human versions of these genes may be involved in diseases characteristic of abnormal Hedgehog activity, including birth defects and cancers.

By 2020, 76 million worldwide could go blind without prevention

The VISION 2020 initiative has the potential to reduce avoidable blindness by nearly two-thirds, saving $102 billion and 429 million blind person-years worldwide. Researchers estimate that economic productivity loss due to blindness could grow from $42 billion to $110 billion if prevention efforts fail.

Patients with schizophrenia benefit from switching to Seroquel

A study found that patients with schizophrenia experienced improved symptom management and reduced side effects when switching to Seroquel, including significant reductions in Positive and Negative Syndrome Scale scores and Clinical Global Impression Severity of Illness ratings.

Scientists report important data in stem cell debate

A team of scientists at the National Institutes of Health reports finding cheek cells with a male Y chromosome, indicating that some transplanted stem cells had differentiated into cheek cells. The study provides strong evidence for transdifferentiation and offers insights into its potential therapeutic applications.

Aranet4 Home CO2 Monitor

Aranet4 Home CO2 Monitor tracks ventilation quality in labs, classrooms, and conference rooms with long battery life and clear e-ink readouts.

Researchers improve bonding in mechanically linked molecules

Researchers have improved the bonding in mechanically linked molecules by developing a method to increase the association constant of host-guest interactions, allowing for longer self-assembled chains. By utilizing hydrogen bonding instead of covalent chemistry, they were able to overcome the difficulty of creating rigid macrocycles.

Genome analysis sheds light on drug-resistant pathogen

The study found that nearly a third of the E. faecalis genome consists of mobile or 'foreign' DNA, which plays a crucial role in helping the bacterium develop drug resistance. The analysis identified two sites in the genome related to vancomycin resistance, including a novel transposon carrying vanB resistance genes.

New advance in fuel cell technology may help power medical implants

Researchers at Brown University have developed a new microfluidic fuel cell that can generate electricity under pulsating conditions, mimicking the flow of blood. This design could help power medical implants and eliminate the need for frequent glucose level monitoring in diabetics.

CalDigit TS4 Thunderbolt 4 Dock

CalDigit TS4 Thunderbolt 4 Dock simplifies serious desks with 18 ports for high-speed storage, monitors, and instruments across Mac and PC setups.