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Science News Archive September 2001


Page 3 of 6

Alzheimer’s disease clinical trials expanded, expedited

The ADCS has expanded its clinical trials to test new therapies for Alzheimer's disease, including a cholesterol-lowering statin drug, an antioxidant, and a high-dose vitamin regimen. The trials aim to slow the progression of cognitive decline in people with AD.

Alzheimer's research consortium receives $54 million

The Alzheimer’s Disease Cooperative Study (ADCS) has received a five-year grant of $54 million to conduct clinical trials and research on new approaches to treating and preventing Alzheimer’s disease. Researchers aim to delay the onset of the disease and have already made significant progress in the past decade.

California gnatcatcher: Umbrella species failure?

A study found that the California gnatcatcher, a threatened songbird, does not effectively serve as an umbrella species for coastal sage scrub conservation. The birds occur in nearly all patches, but insect diversity and quality are more closely linked to patch size than bird presence.

'Quantum dots' could form basis of new computers

Researchers at Purdue University have successfully linked two tiny structures called quantum dots to create a semiconductor-based quantum computer. The device uses quantum bits that exist in both on and off states simultaneously, enabling faster processing of information than conventional computers.

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.

A new model of cerebral cortex development

Researchers develop a microsurgical technique to manipulate signaling proteins in developing mouse brains, revealing a previously unknown molecular mechanism involved in forming the cerebral cortex. The study shows that this protein directs the development of cortical areas, including vision, touch, and memory.

Researchers find enzyme crucial to preservation of memories

A team of researchers has identified a key enzyme involved in the consolidation of long-term memories, revealing new insights into the molecular processes underlying learning and memory. The study found that eliminating this enzyme led to impaired memory retention, highlighting its critical role in memory consolidation.

New approach to management of ulcerative colitis

A randomised controlled trial found that patient-centred self-management training reduced relapse times and hospital visits, while maintaining health-related quality-of-life scores. This alternative approach to traditional outpatient care may improve health-service provision and reduce costs for chronic diseases.

Provincial spending on drugs increases, says University of Toronto study

A recent study published in Psychiatric Services found that expenditures on antidepressants, antipsychotics, and anxiolytics increased significantly between 1992 and 1998. The researchers highlighted the need for drug benefit coverage to ensure accessibility and affordability for individuals with low incomes.

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.

Health in a 24-hour society

A review article in The Lancet highlights the negative effects of shift work on health and productivity. Desynchronisation of circadian rhythms can lead to poor sleep, gastrointestinal disorders, and cardiovascular disease, emphasizing the need for employers to create effective working environments.

Surprising link between body size and extinction risk

A new study by Cardillo and Bromham found that medium-sized mammals were not at greater risk of extinction, contrary to the widely accepted theory. Instead, small mammal species are the least vulnerable to extinction due to high population densities and reproductive rates.

Fly genetics point to potential cancer-causing gene

Researchers at Massachusetts General Hospital have found a gene called archipelago, or ago, involved in destroying the protein cyclin E. This regulation is crucial for cell division, and irregularities may lead to uncontrolled growth and cancer.

New 'Lollipop' film promises improved electronics

Researchers have created a nearly defect-free LB film using steric acid molecules, promising improvements in sensor devices and electrical switches. The breakthrough involves using cadmium ions to lock the molecules together, enabling a single layer without holes or irregularities.

Apple iPhone 17 Pro

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

Rice center to study therapeutic and environmental imapct of nanotechnology

The Rice center will focus on the interaction between nanometer-sized materials and water, aiming to develop new medical therapies and solve environmental engineering problems. The center will also provide educational and industrial outreach activities, including training teachers and supporting startup ventures.

Sea of Galilee yields clues for weather forecasting

Scientists analyzed the physical response of the Sea of Galilee to external forcing and found intense mixing occurred closest to shores, which could improve ocean forecasts. This understanding is crucial for predicting currents, temperatures, and other oceanic issues like fish development.

Big plans on a small scale: NSF funds centers for nanoscale research

The National Science Foundation has awarded six centers for nanoscale research at top universities across the US. These centers will advance information, medical, manufacturing, and environmental technologies, while fostering education programs and public understanding of science and engineering.

Computers to help doctors identify rare diseases

A new computer diagnostic program has been developed to help physicians diagnose rare infectious diseases. The database contains information on 223 infectious and parasitic diseases common to animals and humans.

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.

Initial results promising for MIT breast cancer treatment

The Phase II trial treating women with early-stage breast cancer has shown significant cell kill without damage to the skin. The technology uses adaptively focused microwave radiation that selectively heats and kills cancer cells, potentially reducing or eliminating breast surgery.

Plankton power

Researchers at ONR and DARPA are developing OSCAR, an oceanic fuel cell that harnesses organic matter in sea sediments to generate electricity. The early versions of OSCAR have been generating about 50 milliwatts per square meter, sufficient power for small calculators.

New McGill researchers win recognition

New McGill researchers have been awarded $1.76 million in funding for new equipment and installations, with Quebec agreeing to match the amount. The funding will support various campus projects and research initiatives across multiple institutions affiliated with McGill.

American Thoracic Society Journal News Tips for September

Research reveals antioxidant supplements can mitigate the negative effects of ozone gas on lung function. Additionally, tiny airborne particles are associated with increased risk of hospital admissions for heart disease among diabetics.

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.

Detecting Alzheimer's

The NeuroGraph device, developed with Office of Naval Research funding, reads brain activity through a cap outfitted with electrodes to analyze differences from the norm. Pharmaceutical trials may also utilize NeuroGraph to test new drugs' efficacy on brain activity.

New computer model tracks and predicts paths of Earth's dust

The Georgia Tech/Goddard Global Ozone Chemistry Aerosol Radiation and Transport (GOCART) model accurately reproduces short-term and long-term variations in dust concentrations and distributions. The model provides five-day dust forecasts to warn people with respiratory problems and fisheries about potential red tides.

Seeing the light

The Office of Naval Research has funded the development of a Tactical Vectoring Equipment (TVE) display, a simple array of six lights with Fresnel lenses that projects red or green light based on viewing angle. This system aims to improve navigation and communication for surface ships behind carriers in low visibility conditions.

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.

New fossils suggest whales and hippos are close kin

New fossils found in Pakistan have revealed a close kinship between whales and hippos, with the discovery of artiodactyl ankles suggesting that hippos may be a side line of artiodactyls. The findings, published in Science, use immunological, molecular, and genetic techniques to explore relationships among groups of animals.

Wind-borne pollutants may travel thousands of miles

Researchers at Texas A&M University found that wind-borne pollutants can travel long distances, contaminating both air and water. They used rain and air samplers to collect pollutants in Corpus Christi Bay and estimated the amounts deposited into the bay area.

Rx for drug dilemmas: Tailor the copayment to the patient

A new benefit-based copay system calculates individualized copays based on clinical benefits and risk groups, aiming to increase adherence and reduce financial barriers. The approach could lead to lower copays for sickest patients and make prescription drug coverage more accessible.

Studying the biomechanics of the human thumb

Francisco Valero-Cuevas is awarded a research grant to study the biomechanics of the human thumb, aiming to improve surgical procedures for hand injuries. He will use cadaver hands and a dynamometer to measure the force of the thumb in various directions.

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.

Millions go undiagnosed and undertreated for artery disease

A large study reveals nearly 30% of participants were diagnosed with peripheral artery disease, a condition that affects millions in the US and Western Europe. Untreated PAD can lead to serious health consequences, including heart attack and stroke.

How bacteria harden their "armor"

Scientists at Duke University have discovered a new enzyme that attaches aminoarabinose to the outer coat of gram-negative bacteria, reducing the ability of positively charged antibiotics to attach and kill them. This discovery offers a potential approach to overcoming antibiotic resistance.

Bizarre new protein blocks a real-life terminator

Researchers have discovered a bacterial protein called anti-TRAP (AT) that participates in regulating tryptophan production. The newly discovered protein helps Bacillus bacteria control the production of tryptophan, one of the building blocks of most proteins in humans.

USC researchers find cancer-growing role for blood-vessel protein

Researchers discovered that VEGF promotes the growth and survival of malignant tumor cells, affecting a wide range of cancers. The study found that inhibiting VEGF's effects can slow or halt tumor growth and is expected to improve treatment outcomes for some patients.

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.

Wealth of nations depends on Jack Frost, research finds

Researchers at Purdue University link economic growth to annual hard frosts, finding that temperate areas have historically had less disease and better agricultural productivity. Frost enables the build-up of organic matter in fertile topsoil, allowing for richer agricultural success.

Study focuses on effects of communal bereavement

Researchers analyzed data from 1973-1995 to find a significant rise in very low birthweight following Prime Minister Olof Palme's murder and ferry Estonia disaster. The study suggests that communal bereavement can affect public health, even if the event is rare or less visible.

Annals of Internal Medicine Tip Sheet, September 18, 2001

The American College of Physicians announces new standards for manuscript submission, emphasizing author disclosure of sponsor involvement. These revised guidelines, developed by the International Committee of Medical Journal Editors, aim to prevent pharmaceutical companies from controlling study data and results.

Meta Quest 3 512GB

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

University of Ulster and QUB team up to build a better Internet

A research team at the University of Ulster and Queen's University of Belfast has developed a mobile intelligent agent that finds the most reliable internet connection at the best price. The tool will negotiate quality connections in real-time, transparently and instantly.

Supercomputer simulations reveal strongest carbon nanotubes

A team of researchers discovered a new type of carbon nanotube that is approximately 40 percent stronger than other nanotubes made using the same number of atoms. This breakthrough was achieved through supercomputer simulations at the San Diego Supercomputer Center and the University of Michigan.

Purple potato boost for organic food industry

Researchers at Newcastle University have discovered a purple potato variety that shows promise in resisting the devastating potato blight disease. The variety, grown commercially without using chemicals, could significantly impact the supply of organically-grown potatoes, improving availability and reducing costs for farmers.

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.

University of Ulster to establish ‘green' power research centre

The University of Ulster will launch a 'green' power research centre with a £600,000 grant from the UK-based Science Research Investment Fund. The centre will focus on cutting-edge research into renewable energy sources such as wind, photovoltaics, and small hydro schemes.

Searching for new detoxification strategies

Researchers found that divalproex sodium reduced the need for oxazepam and slowed worsening symptoms in a seven-day study. The anticonvulsant's anti-kindling properties may prevent nervous system hyperexcitability during alcohol withdrawal, making it a viable treatment option.

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.

Leeches reduce the pain of osteoarthritis

A small study found leech therapy to be effective in reducing pain from osteoarthritis, with rapid relief seen after three days and sustained effects four weeks later. The treatment produced no side effects or infections.

How 'negative emotionality' can make you feel sick

A study found that negative emotionality is highly correlated with self-reported health problems in adolescents with alcohol use disorders. The study suggests that these health problems are predominantly of psychological origin, despite relatively normal laboratory and physical exam results.

Researchers identify gene causing rare form of cleft palate

A study published in Nature Genetics identified the T-box 22 gene as the cause of a rare form of cleft palate. The gene's mutation leads to catastrophic effects on protein production, resulting in the birth defect. The discovery may lead to prenatal therapeutic interventions for cleft palate.

Rigol DP832 Triple-Output Bench Power Supply

Rigol DP832 Triple-Output Bench Power Supply powers sensors, microcontrollers, and test circuits with programmable rails and stable outputs.

Improved snoring treatment: less pain, more gain

Researchers developed a new outpatient treatment for snoring that uses radiofrequency energy to create multiple lesions in the soft palate, reducing vibrations and improving effectiveness. The study showed significant reduction in snoring and increased success rates compared to single lesion methods.

Blood pressure measures during exercise can indicate unhealthy hearts

Researchers found that a high pulse pressure during exercise was associated with endothelial cell dysfunction and blood-vessel stiffening, which may be an early sign of heart disease. This finding suggests that measuring blood pressure during exercise could be a more sensitive marker for detecting cardiovascular risk.

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.

Gene transfer enhances pair bonding in monogamous voles

Researchers used gene transfer to increase vasopressin receptor density in the ventral pallidum of prairie voles, leading to increased pair bonding. The study shows that higher levels of vasopressin receptor expression are associated with more affiliative behavior and stronger pair bonds.