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Science News Archive November 2002 - Page 6


Page 6 of 8

Preschoolers' thinking, behavior influenced by family income

Family income significantly impacts preschool children's cognitive development and behavior, with higher-income families providing more stimulating learning environments and lower-income families facing economic pressure that leads to behavioral problems. The study suggests offering programs promoting learning materials, family literac...

SourceCenter for Advancing Health·JournalChild Development·DateNov 12, 2002

New study provides molecular-level understanding of common anti-malarial drugs

Researchers have gained a new understanding of how quinoline-based drugs work against the Malaria parasite, slowing crystal growth to toxic levels and killing the parasite. The study provides insights into physical chemistry and crystalline surface structure to explain drug action, offering potential solutions to drug resistance.

SourceNoonan/Russo Communications·JournalCrystal Growth & Design·DateNov 12, 2002
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.

NIH funds new AIDS drug discovery research with $4.6 million

The NIH has awarded a $4.6 million grant to Rutgers University to develop new and effective drugs for AIDS. The five-year program will use structure-based drug design to identify proteins involved in HIV transmission and develop inhibitors that can overcome drug resistance.

SourceRutgers University·DateNov 12, 2002

T cell clones shrink melanoma tumors

A clinical trial using lab-grown T cell clones has shown promise in shrinking melanoma tumors. In the study, five patients saw their tumors stop growing for up to a year, while three experienced tumor shrinkage.

SourceFred Hutchinson Cancer Center·JournalProceedings of the National Academy of Sciences·DateNov 12, 2002

Physicists puzzle over unexpected findings in 'little' big bang

Researchers probing strong nuclear force's nature encounter surprise at RHIC in Brookhaven, NY., where particles stream out faster from football-shaped collision tips than sides. This defies treasured boost invariance theory and complicates understanding of collisions.

SourceUniversity of Rochester·JournalPhysical Review Letters·DateNov 12, 2002
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.

Crops society announces Pioneer Fellowship in Plant Sciences

The Crop Science Society of America partners with Pioneer Hi-Bred International to create the Pioneer Fellowship in Plant Sciences, providing $25,000 annual stipends for four years. The fellowship aims to advance plant improvement through education and research.

SourceAmerican Society of Agronomy·DateNov 12, 2002

Insurance coverage for smoking cessation not always effective

A recent study by HealthPartners found that insurance coverage for smoking cessation programs had no significant effect on quitting rates. Despite previous studies suggesting the effectiveness of bupropion and nicotine replacement therapy, researchers found that smokers with coverage were no more likely to quit than those without it.

SourceCenter for Advancing Health·JournalHealth Affairs·DateNov 12, 2002
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.

Focusing on preservatives: How they keep food fresh

Preservatives can be grouped into three types: antimicrobials, antioxidants, and enzymes that fight natural ripening. Sulfur dioxide blocks microbial growth in foods, while propionates and benzoates help keep bakery products fresh.

SourceAmerican Chemical Society·JournalChemical & Engineering News·DateNov 12, 2002

Pacific Ocean temperature changes point to natural climate variability

A recent study by Texas A&M University researchers suggests that natural climate variability may contribute up to half of the observed global surface warming since the 1970s. The analysis of ocean surface temperature records in the tropical Pacific indicates that long-term changes in ocean temperatures precede global air temperature ch...

SourceTexas A&M University·JournalGeophysical Research Letters·DateNov 12, 2002

Natural or synthetic secretin does not reduce symptoms of autism, study shows

A new study from the University of Washington found that neither natural porcine secretin nor a synthetic form of the hormone reduced symptoms of autism. The research involved 85 children with autism and tested the effects of both forms of secretin versus a placebo, concluding there is no evidence for its effectiveness.

SourceUniversity of Washington·JournalJournal of the American Academy of Child & Adolescent Psychiatry·DateNov 12, 2002
Apple iPhone 17 Pro

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

People who give, live longer: U-M study shows

A University of Michigan study found that people who provided practical support to others were more than twice as likely to survive as those who did not. The researchers analyzed data from over 423 older couples and found a significant link between giving and longevity.

SourceUniversity of Michigan·JournalPsychological Science·DateNov 12, 2002

INEEL competes successfully for DOE EMSP funding

INEEL researchers won seven of 35 EMSP projects, focusing on contaminant movement, remediation techniques, and metal-reducing microbes. The funding will support three additional projects led by other institutions.

SourceDOE/Idaho National Laboratory·DateNov 11, 2002

Health care rationing in Germany

A study analyzing patient deaths and survivors in German hospitals found that nearly 40% of total expenditures went towards the care of just 10% of patients. The most expensive group were young female cancer patients, while old and terminally ill patients accounted for the lowest costs.

SourceMax-Planck-Gesellschaft·JournalSocial Science & Medicine·DateNov 11, 2002
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.

Physicians offer new solution for blood transfusions

A team of physicians at the University of Toronto successfully treated a pediatric patient with an autoimmune disease using a cell-free hemoglobin solution. This alternative provides oxygen-carrying capacity similar to blood cells, making it a viable option for children and Jehovah's Witnesses.

SourceUniversity of Toronto·JournalBritish Journal of Haematology·DateNov 11, 2002

COX-2 inhibitors and the elderly

The study found that COX-2 inhibitors led to a substantial increase in NSAID prescriptions and expenditures among elderly patients in Ontario. The listing of these medications had an immediate impact, accounting for 48% of prescriptions and 66% of expenditures for NSAIDs.

SourceCanadian Medical Association Journal·JournalCanadian Medical Association Journal·DateNov 11, 2002
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.

Drinking wine may lower risk of dementia

A study of 1,709 individuals found that those who drank wine weekly or monthly had a significantly lower risk of developing dementia. Flavonoids, natural compounds with antioxidant effects, may be responsible for this beneficial effect.

SourceAmerican Academy of Neurology·JournalNeurology·DateNov 11, 2002

Self-management program proves beneficial for macular degeneration patients

A six-week self-management program has been shown to enhance the quality of life and reduce depression in patients with age-related macular degeneration. The program, which includes group sessions and problem-solving skills, improved patients' confidence and ability to cope with their vision loss.

SourceUniversity of California - San Diego·JournalArchives of Ophthalmology·DateNov 11, 2002

Thanksgiving menu stuffed with healthy choices

Honey-baked meats contain antioxidants that may protect against heart disease, while bread crusts are rich in cancer-fighting compounds. Cranberries top the antioxidant chart, followed by canned corn, herbs like oregano, and sweet potato-based desserts.

SourceAmerican Chemical Society·JournalJournal of Agricultural and Food Chemistry·DateNov 11, 2002

In prison, any sentence can be a death sentence

A study examining causes of death among people in custody in Ontario between 1990-1999 revealed that violent deaths were significantly higher in federal and provincial inmate populations compared to the general male population. Natural causes, such as cardiovascular disease, accounted for a majority of the deaths.

SourceCanadian Medical Association Journal·JournalCanadian Medical Association Journal·DateNov 11, 2002
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.

University of Toronto researcher examines effects of power

A recent study by Jennifer Berdahl and Cameron Anderson found that supervisors with more power can influence team decisions more than their subordinates. The researchers discovered that this can lead to subordinates underestimating their supervisors' approval and overestimating their anger, resulting in poorer decision-making.

SourceUniversity of Toronto·JournalJournal of Personality and Social Psychology·DateNov 11, 2002

Organization's reputation wields hefty influence: Scientist

Researchers found that scientists tend to accept research from reputable organizations without requiring supporting data. The 'Exxon factor' phenomenon shows how company reputation and large-scale facilities can carry weight over empirical evidence.

SourceUniversity of Toronto·JournalSociological Quarterly·DateNov 11, 2002
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.

Pre-term infants slower than full-terms at processing information

Pre-terms exhibit significantly slower processing speed at recognizing new faces, a skill linked to intelligence and academic achievement. The study suggests pre-terms' slower processing speed is rooted in infancy and may be related to medical risks such as respiratory distress syndrome.

SourceAmerican Psychological Association·JournalDevelopmental Psychology·DateNov 10, 2002
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.

Map data goes live with voice, gesture-based computer system

The Dialogue-Assisted Visual Environment for Geoinformation (DAVE_G) is a new system that enables crisis managers to visualize geospatial information on a large map using verbal and gesture commands. The system aims to improve decision-making in emergency management by providing real-time access to critical data.

SourcePenn State·DateNov 8, 2002

Parent-teen intervention may reduce teen driving risk

A recent NIH study found that families participating in the Checkpoints Program reported imposing stricter driving limits on their teens, both when they got their licenses and three months later. The program includes a video, newsletters, and a parent-teen driving agreement that help parents teach adolescents to drive safely.

SourceNIH/Eunice Kennedy Shriver National Institute of Child Health and Human Development·JournalInjury Prevention·DateNov 8, 2002

Bio-X to fund 21 new interdisciplinary research projects

The Bio-X program has awarded grants to 21 new interdisciplinary research projects, including the development of an artificial cornea and a wireless gastric endocapsule. These projects aim to boost collaborations among faculty, students, and staff across departments and schools.

SourceStanford University·DateNov 8, 2002
Celestron NexStar 8SE Computerized Telescope

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

Hopkins researchers find postoperative fevers common following hemispherectomy

Researchers found that more than 80 percent of patients experienced postoperative fevers, but most were caused by non-serious complications. The study provides valuable insights into the incidence of postoperative complications in children undergoing hemispherectomies and may lead to changes in post-operative care protocols.

SourceJohns Hopkins Medicine·JournalPediatric Neurosurgery·DateNov 8, 2002

EMBO supports researchers from emerging economies

The EMBO World Programme fellowship scheme supports scientists from non-European countries to visit European laboratories for a six to nine month period. The program aims to foster collaborations and strengthen research between European and home countries.

SourceEuropean Molecular Biology Laboratory·DateNov 8, 2002

Zinc supplementation reduces diarrhea and death in Bangladeshi children

A recent study found that zinc supplements can significantly reduce the severity and duration of diarrhea in Bangladeshi children, resulting in lower rates of child morbidity and mortality. The study supports the use of zinc therapy as a simple and effective intervention to improve child health and survival.

SourceChild Health Research Project·DateNov 8, 2002

Genetic variant protects people against malaria

A genetic variant in the NOS2 gene boosts nitric oxide levels, protecting against malaria disease. This trait explains why some people with malaria have mild symptoms and recover fully.

SourceDuke University Medical Center·JournalThe Lancet·DateNov 7, 2002
Sky-Watcher EQ6-R Pro Equatorial Mount

Sky-Watcher EQ6-R Pro Equatorial Mount provides precise tracking capacity for deep-sky imaging rigs during long astrophotography sessions.

The pharmaceutical industry as political player

The pharmaceutical industry's political power can hinder effective drug regulation, leading to unsafe and ineffective drugs. A robust regulatory system is necessary to protect public health from the interests of the industry.

SourceThe Lancet_DELETED·JournalThe Lancet·DateNov 7, 2002

First 3-D magnetic reconnection measurements

Researchers at Swarthmore Spheromak Experiment (SSX) make 1st 3D measurements of magnetic reconnection, revealing a swept and sheared magnetic structure. This breakthrough helps understand plasma physics processes on the sun and new structures in fusion energy machines.

SourceAmerican Physical Society·DateNov 7, 2002

Coffee addicts at reduced risk of type 2 diabetes?

A large study of over 17,000 Dutch adults found that those who drank seven or more cups of coffee a day were 50% less likely to develop type-2 diabetes. The study suggests that components of coffee other than caffeine may be beneficial for glucose metabolism, but long-term effects are unknown.

SourceThe Lancet_DELETED·JournalThe Lancet·DateNov 7, 2002

New method strikes an improvement in lightning predictions

A new GPS-based index improves lightning strike forecasts by nearly 10% and reduces false alarm rates by 26% at the Kennedy Space Center. The index combines data on water vapor in the atmosphere with other meteorological data to provide valuable guidance for forecasters.

SourceNASA/Goddard Space Flight Center·JournalWeather and Forecasting·DateNov 7, 2002

X-rays squeeze fuel to generate nuclear fusion energy

Researchers at Sandia National Labs successfully achieved symmetrical implosions and significant neutron production using intense x-rays to squeeze millimeter-scale fuel capsules, a crucial step towards nuclear fusion energy. The experiments demonstrate the potential for scaling up fusion reactions.

SourceAmerican Physical Society·DateNov 7, 2002
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.

Turbulence restrains itself

Turbulence has been observed to generate its own self-regulating flows that destroy turbulent eddies, according to recent experiments at DIII-D. These flows, predicted theoretically and seen in computer simulations, create a 'shearing' or tearing action that destroys turbulent eddies.

SourceAmerican Physical Society·DateNov 7, 2002

New treatment strategy for Crohn's disease shows early promise

Researchers found that patients with moderate to severe Crohn's disease improved significantly after receiving GM-CSF, with 12 out of 15 patients in clinical remission. The treatment targets the innate immune response and has shown promise as an alternative approach to traditional therapies.

SourceWashU Medicine·JournalThe Lancet·DateNov 7, 2002
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.

Ultracold gas shows 'lopsided' properties

Researchers at Duke University have created a strongly interacting fermi gas by cooling lithium-6 atoms to near absolute zero. The resulting gas displays unusual behavior, including rapid expansion in one direction and no movement in another, challenging existing theories of superfluidity.

SourceDuke University·JournalScience·DateNov 7, 2002

Cellular pathway includes a 'clock' that steers gene activity

Researchers at Johns Hopkins University have identified a complex signaling pathway that regulates gene activity in living cells. The discovery reveals that the timing of signal transmission plays a critical role in determining which genes are activated, and could lead to the development of new medications targeting cancer cells.

SourceJohns Hopkins University·JournalScience·DateNov 7, 2002

Astrophysical jets in the lab

Caltech researchers use magnetic forces to create jet-like structures in a hydrogen plasma experiment, shedding light on the formation of astrophysical jets. The study involves running high electrical currents through a cylindrical metal chamber, producing spiral-shaped plumes similar to those observed in space.

SourceAmerican Physical Society·DateNov 7, 2002

Brains of elderly can compensate to remain sharp, study indicates

Researchers found that high-performing elderly adults showed significantly more bilateral activity in the prefrontal cortex compared to low-performing older adults and young adults. This suggests the possibility of using training or drugs to enhance cognitive function in the elderly by increasing brain recruitment.

SourceDuke University·JournalNeuroImage·DateNov 7, 2002
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.

UF study: Adolescent girls who set goals too high may risk anorexia

Research suggests that adolescent girls who set high standards for themselves may be at risk of developing eating disorders like anorexia. Girls with bulimic tendencies and symptoms of depression are more likely to develop a full-blown disorder if they report these symptoms.

SourceUniversity of Florida·JournalInternational Journal of Eating Disorders·DateNov 7, 2002

Young blacks, Hispanics more prone to stroke than young whites

A study analyzing cases of first stroke among young people in Northern Manhattan found that young blacks and Hispanics were more likely to experience a stroke, with the risk being 2.4 times higher for blacks and 2.5 times higher for Hispanics compared to whites. Young men were also more likely to have intracerebral hemorrhage than women.

SourceAmerican Heart Association·DateNov 7, 2002