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Science News Archive November 2001


Page 3 of 9

Early promise for prevention of Type 1 diabetes

A phase II study found that DiaPep277 treatment maintained insulin production in patients with early type 1 diabetes. The treatment also reduced the need for insulin therapy and altered immune response patterns.

New finding may help doctors prevent HIV drug resistance

Researchers at NIAID and NCI discovered a quick and simple method to assess drug efficacy by measuring viral load after just one week of therapy. This approach has the potential to prevent HIV drug resistance and improve treatment outcomes for patients.

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.

Scientists design molecules that mimic nanostructure of bone

Researchers create self-assembled nanofibers resembling collagen fibrils in real bone, enabling mineralization and promoting cell attachment. The synthetic nanofibers offer potential applications in bone fractures, tissue regeneration, and electronics.

Study: 3 percent of N.C. drivers on cell phones at any given time

A new study by the University of North Carolina at Chapel Hill found that only 3.1 percent of North Carolinians are talking on cell phones while driving at any given time. The prevalence rate varied by region, with higher rates in the Piedmont and lower rates in the mountains and coastal plain.

Apple iPhone 17 Pro

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

Stanford, UCSF researchers home in on key gene in multiple sclerosis progression

Researchers at Stanford and UCSF have identified osteopontin as a key gene in the progression of multiple sclerosis, with findings suggesting its expression levels are related to disease severity. The study also revealed that osteopontin-deficient mice experienced significantly less severe symptoms and higher remission rates.

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.

Major stress during pregnancy linked to autism

Researchers at Ohio State University found a link between major stressors during pregnancy and the development of autism in children. The study, which included over 200 mothers, showed that stress levels for mothers of autistic children were nearly twice those of other mothers.

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.

Study finds periodontal surgery best bet to keep patients smiling

A recent study by the American Academy of Periodontology found that 48% of teeth receiving periodontal surgery improved prognosis, while only 12% in non-surgical treatment groups did. The study emphasized the importance of individual teeth assessment for optimal results.

Women with higher education have less risk of heart disease

A new study published in Psychosomatic Medicine found that women with higher educational attainment have less calcification of the arteries, indicating a lower risk of developing heart disease. The analysis of 308 postmenopausal women revealed an inverse linear trend between calcium deposits and education level.

Sociodemographic factors affect the nutritional status of HIV-infected adults

A study of 633 HIV-positive participants found that sociodemographic factors significantly affect their nutritional adequacy. Gay men, those with higher household incomes and educational attainment, were more likely to meet the Recommended Daily Allowances for nutrients. In contrast, individuals with lower incomes, fewer children at ho...

Obese women convert carbohydrate to fat faster than lean women

A study published in the American Journal of Clinical Nutrition found that obese women converted carbohydrates to fat at a faster rate than lean women. This increased conversion was observed even when both groups were overfed with carbohydrate-rich diets, suggesting an intrinsic genetic potential for de novo lipogenesis.

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.

'Oliver Twist' is a textbook of child abuse

The novel depicts institutional and domestic abuse against children, including Oliver's mistreatment in a workhouse and Nancy's abuse by her pimp Bill Sykes. Dickens identifies recognized parental risk factors for abuse, such as substance abuse, domestic violence, and mental health problems, which are now acknowledged by modern research.

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.

Both peer and parent behaviors affect teen gang activity

A study found that ethnic differences affect the relationship between family environment and teen gang involvement, with black youth benefiting from more controlling parents and white/other youth increasing their involvement with gangs. Gang intervention programs should address both peer and parent relationships to be effective.

A smile a day keeps heart disease away

A scoring system characterized the men from pessimist to optimist, with optimistic men having a lower risk of coronary heart disease. Despite this protective effect, the researchers found no difference in mortality rates between optimistic and pessimistic men.

Gay men weigh consequences before divulging HIV status

A recent study by Ohio State University researchers found that gay men tend to weigh the benefits and drawbacks of revealing their HIV status, with over half disclosing to family and 63% telling friends. The top reasons for disclosure included keeping others safe and seeking understanding.

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.

Hopkins researchers develop potential new screening test for prostate cancer

Researchers at Johns Hopkins have developed a potential new screening test for prostate cancer by measuring the level of GSTP1 methylation in tissue samples. High levels of methylation were detected in 91.3% of early-stage cancers and 53.6% of precancerous lesions, suggesting its potential as an early diagnostic marker.

Stanford study investigates treatment cost effectiveness after heart attack

A new Stanford University study analyzed the costs and benefits of two treatments: implantable cardioverter defibrillators (ICDs) and the drug amiodarone. ICDs were found to be the most effective in preventing sudden cardiac death, but also came with the highest costs. Amiodarone produced intermediate benefits and costs.

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.

Many doctors willing to take part in executions, despite profession's ban

A survey of over 400 doctors found that nearly a third would assist with lethal injections, highlighting the need for education on ethical guidelines and professional obligations. The study's authors warn that physicians' personal opinions on capital punishment may not align with their professional duties.

Evidence of martian life dealt critical blow

A team from Arizona State University has questioned the evidence for bacterial life in a Martian meteorite, citing limitations in microscope technology and data selection. The researchers argue that the shapes of magnetite crystals found in the meteorite are not uniquely identifiable with bacteria.

U-M scientists find gene for low-frequency hearing loss

Researchers identified a mutated WFS1 gene responsible for low-frequency sensorineural hearing loss, which can lead to severe hearing aids requirements. The discovery may be common in the general population and could connect with other conditions like Meniere's Disease.

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.

Poverty, maternal depression linked to slowed early development

A new study found that children from poor families with depressed mothers experience delays in cognitive and motor development, while middle-class households offer some protection. The effects of maternal depression on boys and girls differ, with moderate depression in affluent families resulting in lower cognitive scores.

Study first to confirm acupuncture's effect

Researchers measured the force required to overcome tissue-needle connection during acupuncture needling, finding a significant pullout force when needles were rotated. The study suggests that layers superficial to muscle may be involved in the body's response to acupuncture, with future research focusing on connective tissue's role.

Air Force grant to ease communication bottleneck in design process

A Virginia Tech team has won a grant to develop mathematically rigorous decomposition theories for solving large-scale design problems on massively parallel supercomputers. The project aims to reduce communication bottlenecks and improve concurrency in the design process.

Celestron NexStar 8SE Computerized Telescope

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

Attention-deficit linked to smokers' self-medication needs

Individuals with severe inattention and hyperactivity symptoms may use tobacco as self-medication to manage their symptoms. The study suggests that screening participants in smoking cessation programs for these symptoms could identify smokers who need additional intervention and tailor treatments to address their specific needs.

Ocean circulation shut down by melting glaciers after last ice age

A NASA-funded study found that glacier melting can shut down North Atlantic Deep Water production, leading to a reduced Gulf Stream and cooling Western Europe. The study suggests that freshwater additions from increased rain and snow could cause this phenomenon in the future.

All food energy improves memory in elderly, study says

A new study from the University of Toronto shows that consuming carbohydrate, fat and protein drinks of equal calories improves verbal recall in elderly individuals. The positive effects on memory are explained by an evolutionary perspective, suggesting specific types of food energy enhance specific aspects of brain function.

New U. of Colorado electron microscopes provide cell images never seen before

The University of Colorado at Boulder has acquired two state-of-the-art electron microscopes, enabling researchers to image cellular structures in three dimensions at unprecedented resolution. This advancement is made possible by a suite of complementing computers that run programs developed by CU-Boulder researchers.

Fluke 87V Industrial Digital Multimeter

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

Annals of Internal Medicine, tip sheet, November 20, 2001

A new study found that 41% of physicians would perform at least one action proscribed by the AMA's ethics guidelines, while 25% would perform five or more actions. The study suggests that some physicians are morally confused about their role in capital punishment.

Programs promoting educational excellence worldwide

The University of Michigan School of Education has received a $175,000 grant from the Goldman Sachs Foundation to evaluate and support programs promoting educational excellence globally. The program focuses on developing academic abilities and entrepreneurial talents in underrepresented youth.

Blood vessels grown in live animals

Researchers at the University of Michigan successfully grew new, mature blood vessels in live animals by implanting scaffolds that delivered critical growth factors. The innovative approach, reported in Nature Biotechnology, has potential medical applications for alternatives to heart bypass surgery and treatments for vascular disease.

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.

High HIV levels shut down anti-HIV immune responses

A new study reveals that HIV-specific CD4+ T cells persist in infected individuals, but high virus levels suppress their proliferative response. The research provides clues on how the virus manipulates the immune system for its own survival and challenges the notion of long-term nonprogressors.

Lupus brain damage pathway illuminated

Researchers have discovered that antibodies attacking DNA in people with lupus can also target molecules controlling glutamate activity, leading to neuron death and possible cognitive symptoms. This finding suggests a potential pathway for neurological complications and may lead to new therapeutic options.

Adelaide scientists make HIV a safe aid in gene therapy

Researchers at Women's and Children's Hospital in Adelaide have developed a way to safely use Human Immunodeficiency Virus Type 1 (HIV-1) to transfer therapeutic genes into human cells. This method has wide applicability for various human genetic diseases and is currently being tested on animal models before moving to human trials.

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.

New theory proposed for cystic fibrosis infections

Researchers discovered a link between the CFTR gene and increased susceptibility to respiratory infections in cystic fibrosis. They found that altered CFTR can change the internal chemistry of lung cells, making them more attractive to certain bacteria.

Even small rise in family income helps young children from poor families

A new study finds that even modest increases in family economic resources improve cognitive development, language abilities, and social behavior in young children from poor families. The study discovered a correlation between income-to-need ratios and developmental outcomes in children from birth to age 3.

Gene discovery offers insight into spina bifida

A team of researchers has identified a novel gene, Lpp1, that is mutated in mice with severe spina bifida. This discovery provides new insights into the genetic basis of the condition and may lead to the development of new therapies to prevent it.

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.

NIH awards grant to MetaPhore to study new heart disease drug

MetaPhore will develop and test a highly active SOD mimetic to protect heart tissues from damage. The research aims to provide additional mechanistic information on the role of superoxide in reperfusion injury, which may also apply to other ischemic events.