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Science News Archive February 2002


Page 2 of 8

Rutgers researcher develops new UV technology

A new method for producing ultraviolet (UV) light has been patented by Rutgers researchers, providing a more energy-efficient source with higher power and lower maintenance. The technology has broad industrial and commercial applications in the semiconductor, printing, and lighting industries.

Effective treatment for children with ADHD and chronic tic disorders

A new study published in Neurology has demonstrated that the combination of clonidine and methylphenidate (Ritalin) is an effective treatment for children with ADHD and chronic tic disorders, with minimal side effects. The treatment was found to improve 'on task' behavior and attentiveness, while reducing symptoms of crying, frustratio...

New treatment options for children with ADHD

A new study found that methylphenidate (MPH) is effective in treating children with both attention deficit hyperactivity disorder (ADHD) and tic disorders like Tourette's. The treatment was previously thought to worsen tics, but the study showed no increase in tics and even eased them in some cases.

Homing in on a receptor for the fifth taste

Researchers have identified a receptor for the fifth taste, amino acid, which may aid understanding of how animals regulate nutritional intake. The discovery also has potential applications in the food industry, such as formulating new products with specific tastes.

Apple iPhone 17 Pro

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

UT Southwestern study links asthma and pneumonia

A UT Southwestern study has found a link between Mycoplasma pneumoniae bacteria and asthma, suggesting that lingering infections may cause chronic respiratory issues. The research suggests that treating acute M. pneumoniae infections could help prevent later development of asthma.

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.

Hebrew University research finds why chemotherapy might lead to cancer

A study by Prof. Kerem and Asaf Hellman found that chemotherapy drugs can cause chromosomes to break at specific regions, known as fragile sites, potentially leading to cancer growth. The research creates a better understanding of how cancer drugs work, paving the way for more effective treatments.

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.

Gene linked to accelerated brain aging in healthy adults

Researchers at Duke University Medical Center found a link between nerve cell changes and the apolipoprotein E4 gene. Those with the APOE4 gene experienced more rapid loss of nerve cell functioning, leading to accelerated brain aging. This study may lead to new understanding of age-related memory loss and potentially sharper brains.

'Smart' methods for detecting computer network intruders

The researchers report that the rough sets method offers significant advantages in intrusion detection, including the ability to work with missing values and imprecise data. The team's study found an average classification accuracy rate of 75.68% for rough sets, compared to 69.78% for neural nets and 51.16% for inductive learning.

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.

Aventis Pasteur statement on HVTN 501 decision

The Aventis Pasteur statement emphasizes the continued development of its ALVAC vector as a preventive AIDS vaccine. The company remains committed to multiple trials using ALVAC-HIV (vCP1452) and supports research into its therapeutic potential, with ongoing phase I/II studies underway.

Cancer patients may lower their expectations

Researchers found that cancer patients tend to lower their expectations to match their reality, leading to decreased anxiety and depression. However, spouses of cancer patients experienced increased anxiety and depression due to unchanging life values and care-taking responsibilities.

Vitamin C reduces the odds of developing early-onset cataract

A study published in the American Journal of Clinical Nutrition found that vitamin C intake was associated with a lower risk of developing early-onset cortical opacities. Women who consumed 362mg/day of vitamin C had a 57% reduced risk, while those using supplements for at least 10 years saw a 60% reduction in cataract risk.

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.

Physical activity is key to maintaining normal weight after weight loss

A study published in the American Journal of Clinical Nutrition found that women who gained weight after weight loss had significantly lower energy expenditure due to physical inactivity. To match their initial weight, these individuals would need to engage in at least 80 minutes of moderate-intensity physical activity per day.

Multimillion-dollar pain research center funded at Wake Forest

The Center for the Study of Pharmacologic Plasticity in the Presence of Pain at Wake Forest will study changes in the spinal cord caused by certain medicines and their impact on pain sensation. The research aims to develop new, effective pain treatments for patients with nerve injury or neuropathic pain.

Plant stems and leaves are always proportional to roots

Researchers from Cornell University and the University of Arizona found that plant stem and leaf biomass are proportional to root biomass across various plant species. This discovery provides environmental researchers with clues to estimate global carbon sequestration in plants.

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.

Moderate alcohol consumption reduces cardiovascular risk in postmenopausal women

A study published in the American Journal of Clinical Nutrition found that moderate alcohol consumption can lower cardiovascular risk factors in postmenopausal women. The researchers observed significant improvements in lipid profiles, with a greater benefit for those starting with higher levels of LDL-cholesterol and triacylglycerols.

Chinese tallow tree invades Texas prairies

The Chinese tallow tree is outcompeting native species in Texas prairies due to its ability to grow quickly and use nitrogen inefficiently. Researchers are studying methods to control the spread of the invasive tree using techniques such as fire, flooding, and fertilization.

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.

Scleroderma research receives a boost from multiple NIH grants

Researchers will study cellular changes, immune responses, and collagen production to develop more effective treatments for scleroderma. The NIH grants will complement existing investments in scleroderma research and bring scientists closer to finding treatments for this disease.

Maternal feeding practices are linked to childhood obesity

Research by Spruijt-Metz et al. found that maternal feeding practices are a strong predictor of childhood obesity, with controlling feeding strategies potentially interfering with children's ability to self-regulate their food intake. The study suggests that future obesity prevention efforts should focus on improving parental feeding b...

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.

Cancer doctors could benefit from training in communication skills

A UK study found that intensive 3-day training courses improve cancer doctors' communication skills, leading to better patient care and increased empathy. The training included structured feedback, role-play, and discussion, resulting in improved use of focused questions, open-ended questions, and expressions of empathy.

Rock-eating microbes survive in deep ocean off Peru

Researchers from Texas A&M University embark on a voyage to understand the abundance and diversity of deep-sea microbes, estimated to number between 10-30% of Earth's biota. The JOIDES Resolution drillship samples cores containing these microbes from previously drilled sites in the eastern equatorial and southeast Pacific.

Pregnancy and childbirth a major cause of death among Afghan refugee women

A study published in The Lancet found that pregnancy and childbirth are leading causes of death among Afghan refugee women, with a mortality rate of 5.5 per thousand population. The study also highlighted the importance of rebuilding Afghanistan's health-care infrastructure to prevent further maternal deaths.

Plastic LEDs break telecommunications barrier

Researchers at Technion-Israel Institute of Technology have created plastic LEDs that can efficiently produce near-infrared radiation, a crucial component for high-speed fiber optic communications. The new technology has the potential to cut costs and increase efficiency, paving the way for global networks in homes.

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.

Office of Naval Research awards $8.4M to young investigators

The Office of Naval Research has awarded $8.4M to 10 young investigators for their basic research in various science and engineering fields, including ocean circulation models, heat conduction, brain-inspired computing, microbial adhesion, mobile wireless networks, damage tolerance, weather predictions, and neuromorphic engineering.

Single cell type seems to control internal clock and pupil of eye

A research team found that a small fraction of nerve cells in the retina express melanopsin, which detects light levels and regulates the body's daily cycles. These cells connect to brain areas controlling the clock and pupil response, suggesting a non-visual role for melanopsin.

Electrodes and nanoprobes signal new DNA detection method

Northwestern University scientists developed a new DNA detection method that excels in sensitivity, selectivity, cost, ease of use, and speed. The technology can detect hundreds of pathogenic agents simultaneously and pinpoint single-base mismatches missed by conventional methods.

Meta Quest 3 512GB

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

HRT could protect against leg ulcers

A recent study published in The Lancet found that hormone replacement therapy (HRT) may help prevent venous leg ulcers and pressure sores in elderly women. Researchers analyzed data from over 45,000 patients and discovered a 35% lower risk of developing these chronic wounds among HRT users.

Acoustics Writing Award: 2002 call for entries

The award honors entries that meet accessibility, relevance, accuracy, and quality criteria, from various media including video, books, newspapers, and audio broadcasts. Submissions must include author information and contact details.

Cycled light promotes growth in pre-term infants

Pre-term infants who received cycled light from birth and at 32 weeks postconceptual age grew more rapidly than those who received it later. The study suggests that a circadian environment is important for pre-term infants, and light can promote growth and healthy sleep patterns.

Celestron NexStar 8SE Computerized Telescope

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

Nicotine withdrawal woes shown to be similar to inflammatory response

Researchers found that nicotine withdrawal causes inflammation and similar biochemical responses as acute or chronic illnesses, potentially leading to depression, fatigue, muscle aches, and appetite changes. Anti-inflammatory treatments may alleviate these symptoms, increasing the likelihood of successful quitting.

Nanosphere announces DNA detection breakthrough published in Science

Nanosphere has developed ultra-sensitive and specific DNA detection technology using electrical conductivity measurements facilitated by gold nanoparticle probes. This breakthrough can simplify traditional analysis procedures, reducing costs and increasing the speed of hand-held molecular testing devices.

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.

Hawaiian Ridge HOME to efforts to understand deep-ocean mixing

Scientists discover that internal waves generated by the moon's pull at the Hawaiian Ridge can mix ocean waters at rates up to 1,000 times more intense than in areas without such topography. The measurements provide new insights into the global ocean circulation and nutrient cycles.

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.

Speeding product design

The partnership aims to speed up the design process by using advanced simulation and computerized component testing. Companies involved in the project include United Technologies, Visteon, John Deere, and Procter & Gamble.