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Science News Archive December 2001


Page 1 of 6

Annals of Internal Medicine, tip sheet, January 1, 2002

Six popular herbal therapies - Ginkgo, St John's wort, Ginseng, Echinacea, Saw palmetto, and Kava - have varying levels of effectiveness and safety. Prednisone, a glucocorticoid, reduced swelling and progression of damage to joints in patients with early active rheumatoid arthritis.

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.

Fat gene discovered

Researchers identify PPARgamma2 as critical player in fat cell differentiation process. The discovery provides a molecular target for rational drug design to combat obesity.

UT Southwestern researchers develop new method of delivering vaccines

Researchers at UT Southwestern Medical Center have developed a new procedure for delivering vaccines by manipulating dendritic cells in the skin, reducing production time from 10 days to just 24 hours. This breakthrough could lead to more effective cancer treatments and broader clinical applications.

Mini-lasers, silicon on sapphire technology lead to speedier chips

Engineers at Johns Hopkins University have developed a cost-effective method to speed up microchip communication by using light beams instead of metal wires. The new technology, known as silicon on sapphire, takes advantage of the unique properties of this material to reduce power consumption and increase data transfer speeds.

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.

Animal study finds embryonic stem cells can repair heart muscle

Researchers found that embryonic stem cells can survive in damaged heart muscle and improve cardiac function. The study demonstrated significant reduction of MI damage and improvement in left ventricular function, suggesting a potential future treatment option for congestive heart failure.

Stress management can help control glucose in type 2 diabetes

A study published in Diabetes Care found that stress management techniques, when added to standard care, helped reduce glucose levels in patients with type 2 diabetes. On average, the stress management group showed a 0.5 percent reduction on the hemoglobin A1c test.

Melanoma web sites give incomplete or wrong information, study finds

A recent study found that most popular melanoma web sites had incomplete facts about the disease, with around one in eight sites having inaccuracies. The study suggests that Web users should be cautious when searching for health information online and guide themselves toward reputable sources.

Tracking and treating toxic waste in urban neighborhoods

Researchers at the new Center for Hazardous Substances in Urban Environments will develop tools to gauge risks associated with hazardous waste sites and clean up pollutants. The center's initiatives focus on urban livability and brownfield redevelopment, aiming to create jobs and improve tax bases while addressing environmental concerns.

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.

Immunotherapy treatment shows dramatic results for rare neurological disorder

Researchers have found that immunoglobulin therapy significantly reduces symptoms of Stiff Person Syndrome (SPS), including stiffness and spasm, and improves mobility. The study showed a statistically significant decrease in symptoms for patients treated with IVIg, with 11 out of 14 patients becoming less stiff and more mobile.

Study: many poor children live in pain because barriers to dental care too great

A new study by University of North Carolina at Chapel Hill reveals that many poor children live with strong physical and emotional pain due to barriers to dental care. The study found that language is a particular frustration for Latinos and minorities perceive prejudices against them, leading some to give up on seeking dental care.

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.

Steroid nasal sprays seem to speed sinusitis recovery

Researchers found that steroid nasal sprays combined with antibiotics significantly improved sinusitis symptoms and reduced recovery time. A study of 95 adults with recurrent or chronic sinusitis reported a 93% cure rate using fluticasone, compared to 74% for placebo.

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.

Leisure activity decreases risk of Alzheimer's disease

Participation in leisure activities such as reading and socializing reduces risk of dementia by 38%. Intellectual activities show highest risk reduction, with an additional 8% benefit per activity engaged. High education and occupation levels also previously linked to reduced AD risk.

Hormone replacement therapy may delay cognitive decline in older women

A collaborative study found that lifetime exposure to hormone replacement therapy (HRT) may be associated with better maintenance of cognitive function in older women free of dementia. The study included over 2,000 women aged 65 and older, who were followed for three years to assess changes in cognition and depression status.

Apple iPhone 17 Pro

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

Dentists see legacy of discontinued ingredients in patients' mouths

A recent study suggests that users of the former Viadent formulation are eight to 11 times more likely to develop oral leukoplakia than those who have never used the product. Leukoplakia can sometimes lead to oral cancer, and patients with this condition should be alert for symptoms.

Pump up the volume (of immune cells) to fight HIV

Researchers developed a technique to stimulate T cells with CD28 receptors, making them resistant to HIV infection. The method showed significant improvements in the ratio of CD4 cells to other T cells, indicating sustained immune system recovery.

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.

Analysis illuminates risk connection of herpes virus, HIV

A recent analysis of 31 studies found that individuals with HSV-2 infection are twice as likely to contract HIV, with up to half of cases attributed to preceding HSV-2 infection. The study highlights the importance of controlling HSV-2 infection in preventing HIV acquisition.

Media ignore research-based advice that would smooth sibling ties

A study published in Family Relations found that research-based strategies for helping older children establish a positive relationship with a new sibling are not getting sufficient emphasis in the popular press. The authors suggest that writers need to be better tuned into research and address issues important to families.

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.

Guidelines for neural repair studies in humans

The American Society for Neuroregeneration and Transplantation (ASNTR) has published guidelines to ensure the development of novel cell and gene replacement therapies for brain disorders. The recommendations focus on preliminary study design, clinical trial methodology, and conflict of interest disclosure.

Internal clock not ready for Mars time

A NASA-funded study found that people's internal clocks have difficulty adapting to non-24 hour days, leading to increased risk of fatigue and sleepiness. The study, conducted at the National Space Biomedical Research Institute, evaluated participants' melatonin levels in response to varying day lengths.

Antibiotic may be a potential therapy for MS

A study suggests that minocycline, a common antibiotic, could be a potential therapy for multiple sclerosis. The drug showed promising results in rats with autoimmune encephalomyelitis, reducing neurologic dysfunction and disease severity.

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.

Rare squid found in Gulf of Mexico

Scientists discover rare squid with thin tentacles, stretching up to ten times its body length. The finding suggests the creature is widespread and highlights scientists' depth of ignorance about deep oceans.

UW research boosts understanding of how hydrogen transfer works

Researchers at the University of Washington have made significant progress in understanding how hydrogen atoms are transferred between molecules, a key step in creating new compounds. This breakthrough could lead to more efficient manufacturing methods, cleaner product development, and improved chemical reactions.

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.

American Thoracic Society Journal news tips for December (first issue)

Researchers found a significant link between sarcoidosis and family history, with affected individuals more likely to have siblings or parents with the disease. Air pollution during adolescence also affects lung function growth and performance, while improved HIV treatment reduces the risk of pulmonary complications.

Protein discovery tied to DNA master switch

Researchers have identified a critical protein, SET7, that regulates gene expression by modifying histone H3. This discovery may lead to new treatments for diseases and provide insights into using stem cells to generate organs. The study reveals that SET7 makes chromatin structure more open, allowing other proteins to access genes.

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.

Mentally ill patients more likely to die by homicide

A recent study published in The Lancet found that mentally ill patients are at a significantly higher risk of dying from homicide compared to the general population. The study analyzed data from over 72,000 individuals and revealed that those with mental illness were six times more likely to die by homicide.

Insufficient yellow fever vaccine stocks in Africa

A recent yellow fever outbreak in Guinea highlights insufficient international stocks of the 17D yellow fever vaccine, which can protect for at least 10 years. WHO recommends an emergency stockpile of 1 million doses to provide a rapid response to large outbreaks.

Sensor, molecular device development focus of NSF funded research

Researchers at Virginia Tech are exploring the development of new sensor approaches using nanotechnology, aiming to detect DNA and other biological compounds. They also aim to improve computational capacity by understanding electronic transport properties in molecular wires.

Researchers discover how body’s internal clock generates daily rhythms

Harvard Medical School researchers have identified a key pathway controlling circadian rhythms in hamsters, revealing the signals sent by the body's internal clock and its connection to light exposure. The discovery opens new avenues for research into sleep disorders and could lead to improved treatments.

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.

Protein protects against degeneration of neurons in fruit flies

A protective protein called a chaperone suppresses the toxicity of alpha-synuclein, a protein associated with Parkinson's disease. The study found that augmenting levels of Hsp70 corrected the deficit and overcame the toxic effect of loss of chaperone function.

Effective clinical practice, Nov/Dec 2001 highlights

A recent study revealed that screening high-risk patients for diabetes may not be cost-effective, with a low yield and high cost. Additionally, a quality intervention to improve depression care was ineffective in real-world settings, highlighting the need for system changes to close care gaps.

Diets high in red meat linked to stomach and esophageal cancers

A study published in the American Journal of Clinical Nutrition found that diets high in red meat, such as high meat or high milk diets, are associated with a higher risk of stomach and esophageal cancers. Diets rich in fruits, vegetables, and whole grains may help reduce this risk.

Celestron NexStar 8SE Computerized Telescope

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

New insight into sudden infant death syndrome

A study published in the European Journal of Clinical Investigation found an association between nitrate levels in groundwater and the incidence of SIDS. The researchers analyzed over 600 cases and discovered that deaths occurred more frequently during periods of high nitrate concentrations, particularly in areas with rapidly increasin...

Required activation 'cascade' identified for p53 tumor-suppressor protein

Researchers at The Wistar Institute have identified a carefully orchestrated series of molecular modifications to p53 that must occur for it to perform its normal function. This discovery may suggest new ways to combat cancers where p53 is dysfunctional, and could also provide insights into the regulation of other DNA-binding proteins.

Meta Quest 3 512GB

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