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Science News Archive April 2003


Page 9 of 9

Cerebral palsy symptoms improve with botulinum toxin

A study of 250 children found that botulinum toxin significantly improved symptoms of muscle spasticity, enabling them to perform daily tasks such as feeding and writing for the first time. Long-term use of the drug showed minimal adverse effects and maintained effectiveness over two years or more.

Study provides new insights into the functional neuroanatomy of motor imagery

A new study explores brain activity during explicit mental operations of finger representations using objective confirmation of performance. The researchers found that brain areas associated with motor execution and imagery were equally activated, suggesting a functional gradation from more 'executive' to more 'imaginative' areas.

Statins could reduce risk of cardiovascular disease

A new study found that statins can significantly reduce the risk of cardiovascular disease in people with high blood pressure and normal or low cholesterol levels. The treatment resulted in a 36% lower risk of primary events such as death from CHD and non-fatal heart attacks, primarily within the first year of treatment.

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.

Peering inside a blood vessel

Dr. Alan Wilman is developing a new MRI technique that provides highly detailed images of blood vessels, allowing doctors to diagnose conditions like heart attacks and strokes earlier. His goal is to create a safer and cheaper alternative that can help prevent deaths by aiding in early diagnosis.

Broccoli could fight cancer

Researchers have found that heating broccoli to 60°C increases the levels of anti-carcinogenic sulphoraphanes, which may help prevent cancer. To achieve high levels of these beneficial compounds, plant breeders could consider eliminating genes that code for a protein called ESP.

Apple iPhone 17 Pro

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

Speedy elephants use a biomechanical trick to 'run' like Groucho

Researchers found that Asian elephants can move at speeds of up to 15 mph, with some individuals reaching 50% faster than previously recorded speeds. This gait, dubbed "Groucho running", meets the biomechanical definition of running, where the center of mass appears to bounce and the footfall pattern is different from walking.

VA increasing flu immunization rate

The study found that vaccinated elderly patients were 48% less likely to die during the 1998-99 season and 50% less likely to die during the 1999-2000 season. Additionally, vaccinated patients were less likely to develop pneumonia, cardiac disease, and stroke, confirming previous VA research on flu shots' life-saving benefits.

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 responses to peanuts are key in a growing allergic phenomenon

A study published in JCI Journals identified unique immunological factors produced by immune cells of peanut-allergic children compared to non-allergic individuals and those who outgrown their allergies. These findings suggest the development of allergic reactions depends on host immune response rather than inherent allergenic properties.

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.

Study shows that women have as great a risk of dying from heart disease as men

Researchers at Cedars-Sinai Medical Center found that adenosine stress scans can identify women and men at high risk of death from heart disease. Diabetic women have a higher risk of cardiac death than diabetic men or other patients without diabetes, highlighting the importance of identifying patients at risk through effective therapies.

Silent strokes increase odds of devastating strokes

A recent study found that patients who have already had a silent stroke are at an increased risk of having another devastating stroke. The study, conducted by researchers at Wake Forest University Baptist Medical Center, also found that diabetes and high cholesterol levels can increase this risk.

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.

VEGF gene transfer fails to help peripheral arterial disease patients

A clinical trial using VEGF gene transfer found no significant improvement in walking ability for patients with peripheral arterial disease (PAD). Researchers are exploring alternative approaches, including transcription factor-based therapies and cell therapy, to address the condition.

Stroke risk increases with metabolic syndrome

A study found that people with metabolic syndrome are 1.5 times more likely to develop a stroke than those without it, with women being 2.1 times more at risk. The condition is also associated with an increased risk of heart attacks and vascular-related deaths.

Movement disorders from viral encephalitis can be severe, expensive

A study found that viral encephalitis can lead to severe movement disorders such as tremor, myoclonus, chorea, and ballismus. These disorders required heavy sedation or pharmacologic paralysis and resulted in significantly longer hospital stays compared to non-affected patients.

Meta Quest 3 512GB

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

Epilepsy surgery: Careful candidate selection produces comparable results

A study found that epilepsy surgery programs in developing countries can produce results comparable to those from developed countries using a carefully selected actuarial approach and the Seizure Scoring System. Researchers audited their program and identified factors most predictive of successful outcomes, yielding a nearly 60% succes...

JCI Table of Contents, April 1, 2003

Inhibition of RAGE suppressed neointimal formation in mice upon arterial injury and decreased SMC proliferation, migration, and expression of ECM proteins. Local mucosal immunization leads to antigen-specific IgA production at distant mucosal sites through the interaction between CCR10 and its mucosal epithelial ligand MEC.

Deep brain stimulation significantly improves dystonia symptoms

A study published by the American Academy of Neurology found that deep brain stimulation significantly improved dystonia symptoms in seven patients, with three experiencing near-complete resolution. The treatment showed promise as a safe and effective therapy for previously untreatable diseases.

It's who you know

Researchers found that women who participated in dietary consultation with a dietetics professional were more likely to maintain their low-fat eating habits and keep the weight off. The study also showed that different ethnic and racial backgrounds selected varying foods to reduce fat intake, highlighting the importance of cultural bac...

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.

Molecule offers insights into fertilization

A team of scientists has identified a molecule called bourgeonal that activates the human sperm receptor protein, which may play a critical role in fertilization. The discovery could lead to new non-toxic contraceptives and provide valuable insights into chemical communication during fertilization.

Significant pain reduction for post-shingles patients

A single application of high-concentration capsaicin patches has been shown to provide significant long-term pain relief for patients with postherpetic neuralgia, a condition that often persists for years. The patch-based treatment avoids systemic side effects associated with traditional treatments.

Brain can reorganize after injury at any age

Research found extensive changes in brain processing of simple motor movements in patients with all three illnesses. The primary motor cortex took over hand motion control in some cases, while others relied on the cerebellum for coordination.

Fluke 87V Industrial Digital Multimeter

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

Transgenic trees hold promise for pulp and paper industries

Researchers at North Carolina State University have successfully reduced lignin content in aspen trees by 45-50% through genetic modification. This reduction increases cellulose content and accelerates tree growth, offering economic and environmental advantages for the wood, paper, and pulp industries.

Other highlights of the April 2 JNCI

A recent study found that genes determining breast density are associated with an increased risk of breast cancer. Additionally, researchers discovered a compound called YC-1 that slows tumor growth in mice by blocking angiogenesis, potentially leading to new cancer treatments.

Marked improvement in heart attack care seen in 33-hospital study

A new study conducted in 33 Michigan hospitals shows significant improvements in the use of proven treatments and lifestyle counseling for heart attack patients. The study, led by researchers at the University of Michigan Cardiovascular Center, found that hospitals that implemented a system of reminders and checklists saw increases in ...

Drug combination increases life span of mice with ALS

A new drug combination has been shown to delay disease progression and increase the longevity of mice with amyotrophic lateral sclerosis (ALS). The therapy, which combines minocycline, riluzole, and nimodipine, reduced muscle strength loss and nerve cell degeneration in ALS-mice.

Celestron NexStar 8SE Computerized Telescope

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

NCI study estimates more than 2 million women could benefit from tamoxifen

According to a study by the National Cancer Institute, approximately 10 million women in the US aged 35-79 are eligible for tamoxifen due to high breast cancer risk. After analyzing age-related benefits and risks, researchers found that younger women (40-59) have a higher likelihood of benefiting from the drug.

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.

Neighborhood layout could turn drivers into walkers

Researchers found that people living in walkable communities were more likely to leave their cars behind, suggesting that the physical environment plays a crucial role in shaping physical activity habits. The study's findings encourage policymakers to consider changes in neighborhood design as a way to promote better health.

Combined imaging techniques best identify plaque in the aorta

A new imaging technique combining transesophageal magnetic resonance (TE MRI) with standard cardiac MRI provides better views of plaque buildup in the aorta. The combined approach revealed more detailed images of plaque thickness, area, and volume than individual techniques, showing promise for improved diagnosis.

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.

Physics tip sheet #34 - April 1, 2003

Researchers are investigating new methods to combat cancer growth through computer models and cytotoxic treatments. They also discovered that a process called Auger emission can cause electrons to be emitted in well-defined directions by single molecules, leading to potential breakthroughs in physics research.

Contaminated poliovirus vaccine not associated with cancer

A Danish study found that individuals exposed to contaminated poliovirus vaccine had no increased risk of cancer compared to those not exposed. The findings contradict previous laboratory and epidemiologic evidence suggesting a link between SV40 contamination and human cancer.

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.

Six-month public smoking ban slashes heart attack rate in community

A six-month public smoking ban in Helena, Montana, significantly reduced acute myocardial infarction hospital admissions by nearly 60%. The study found that smoke-free environments not only protect against long-term secondhand smoke effects but also rapidly prevent heart attacks.

Structure of tiger eye reevaluated after 125 years

Tiger's eye was previously thought to be an example of pseudomorphism, but researchers have found that the stone's shimmering appearance is actually caused by the presence of crocidolite fibers. The discovery challenges a long-held theory on the formation of tiger's eye and provides new insights into its structure.

Diabetes among siblings, obesity: Risk factors for heart disease

Researchers studied nondiabetic adults with a family history of diabetes and found they were 1.4 times more likely to develop coronary artery disease. Obese individuals were also at higher risk, defined by a body-mass index greater than 30, with a 2.2 times increased risk compared to normal weight individuals.

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.