Add BrightSurf on Google Email

Science News Archive November 2001 - Page 3


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.

SourceThe Lancet_DELETED·JournalThe Lancet·DateNov 22, 2001

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.

SourceNIH/National Institute of Allergy and Infectious Diseases·JournalThe Lancet·DateNov 22, 2001
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.

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.

SourceNorthwestern University·JournalScience·DateNov 22, 2001

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.

SourceUniversity of North Carolina at Chapel Hill·DateNov 22, 2001
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.

In groundbreaking research, Yale and Salk Institute scientists reveal the structure of a key component that makes cells move

Researchers have determined the atomic structure of the Arp2/3 complex, a protein responsible for initiating actin filament growth in moving cells. This discovery provides insights into cellular movement mechanisms and has implications for understanding various biological processes, including immune responses and neural development.

SourceYale University·JournalScience·DateNov 22, 2001

Israeli scientists block the progression of Type I diabetes

Researchers at Hadassah-Hebrew University Medical School and Peptor Ltd. successfully arrested the progression of Type I diabetes in newly diagnosed patients using DiaPep277, an experimental drug that alters immune cell behavior.

SourceAmerican Committee for the Weizmann Institute of Science·JournalThe Lancet·DateNov 22, 2001

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.

SourceOhio State University·DateNov 21, 2001
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.

SourceAmerican Academy of Periodontology·JournalJournal of Periodontology·DateNov 21, 2001
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.

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.

SourceCenter for Advancing Health·JournalPsychosomatic Medicine·DateNov 21, 2001

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...

SourceAmerican Journal of Clinical Nutrition·JournalAmerican Journal of Clinical Nutrition·DateNov 21, 2001

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.

SourceAmerican Journal of Clinical Nutrition·JournalAmerican Journal of Clinical Nutrition·DateNov 21, 2001
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.

SourceBMJ Specialty Journals·JournalArchives of Disease in Childhood·DateNov 21, 2001

Peptide identified as natural antibiotic providing first line of defense against bacterial infection

Researchers at UCSD and VA San Diego Healthcare System discovered a natural antibiotic peptide called cathelicidin, which inhibits microbe growth and plays a crucial role in mammalian innate immunity. The study provides hope for developing new treatments and a blood test to identify individuals susceptible to bacterial infections.

SourceUniversity of California - San Diego·JournalNature·DateNov 21, 2001

Three out of four junior doctors risk potential HIV infection during course of work

A questionnaire surveyed junior doctors in two London teaching hospitals and found that nearly all were aware of post-exposure prophylaxis (PEP) but many lacked knowledge on its use. The study highlights the need for improved education on PEP among medical professionals to prevent occupationally acquired HIV infections.

SourceBMJ Specialty Journals·JournalSexually Transmitted Infections·DateNov 21, 2001
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.

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.

SourceCenter for Advancing Health·JournalChild Development·DateNov 21, 2001

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.

SourceCenter for Advancing Health·JournalPsychosomatic Medicine·DateNov 21, 2001

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.

SourceOhio State University·JournalAIDS Education and Prevention·DateNov 21, 2001
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.

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.

SourceJohns Hopkins Medicine·JournalJNCI Journal of the National Cancer Institute·DateNov 20, 2001

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.

SourceStanford Medicine·JournalAnnals of Internal Medicine·DateNov 20, 2001

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.

SourceMichigan Medicine - University of Michigan·JournalAnnals of Internal Medicine·DateNov 20, 2001
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.

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.

SourceArizona State University·JournalProceedings of the National Academy of Sciences·DateNov 20, 2001

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.

SourceMichigan Medicine - University of Michigan·JournalHuman Molecular Genetics·DateNov 20, 2001

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.

SourceCenter for Advancing Health·JournalChild Development·DateNov 19, 2001
Apple iPhone 17 Pro

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

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.

SourceUniversity of Vermont·JournalJournal of Applied Physiology·DateNov 19, 2001

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.

SourceCenter for Advancing Health·JournalNicotine & Tobacco Research·DateNov 19, 2001

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.

SourceNASA/Goddard Space Flight Center·DateNov 19, 2001

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.

SourceUniversity of Toronto·JournalAmerican Journal of Clinical Nutrition·DateNov 19, 2001
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.

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.

SourceUniversity of Colorado at Boulder·DateNov 19, 2001

Drowsy fruit flies illuminate first molecular pathway, in any species, known to regulate rest and wakefulness

Researchers from the University of Pennsylvania have identified a gene called CREB that plays a role in regulating rest's rejuvenating effects. The study found that CREB activity is inversely related to the physiological urge for sleep and that blocking this activity increases the need for sleep after a period of wakefulness.

SourceUniversity of Pennsylvania·JournalNature Neuroscience·DateNov 19, 2001

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.

SourceAmerican College of Physicians·JournalAnnals of Internal Medicine·DateNov 19, 2001

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.

SourceUniversity of Michigan·DateNov 19, 2001

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.

SourceWhitaker Foundation·JournalNature Biotechnology·DateNov 19, 2001
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.

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.

SourceNIH/National Institute of Allergy and Infectious Diseases·JournalProceedings of the National Academy of Sciences·DateNov 19, 2001

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.

SourceNIH/National Institute of Arthritis and Musculoskeletal and Skin Diseases·JournalNature Medicine·DateNov 19, 2001

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.

SourceWomen's and Children's Hospital, Adelaide - Part of the Children, Youth and Women's Health Service·JournalHuman Gene Therapy·DateNov 19, 2001
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.

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.

SourceNIH/National Institute of Allergy and Infectious Diseases·JournalProceedings of the National Academy of Sciences·DateNov 19, 2001

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.

SourceCenter for Advancing Health·JournalChild Development·DateNov 19, 2001

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.

SourceImperial College London·JournalHuman Molecular Genetics·DateNov 19, 2001

HIV 'rides' into cells on membrane rafts, NIAID scientists determine

Researchers find HIV attachment to rafts is crucial for replication, and cholesterol-lowering drugs may help disrupt this process. Depleting cholesterol from rafts using compounds significantly reduces HIV's ability to infect new cells.

SourceNIH/National Institute of Allergy and Infectious Diseases·JournalProceedings of the National Academy of Sciences·DateNov 19, 2001
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.