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Science News Archive 2000


Page 21 of 66

Apple iPhone 17 Pro

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

Mayo Clinic researchers develop new antibody

Mayo Clinic researchers have developed a new antibody test to help diagnose autonomic disorders caused by the immune system. The test detects antibodies that bind to an important protein on autonomic nerve cells, helping physicians evaluate patients with autonomic failure.

Cellular membrane changes associated with acclimation to cold

Scientists have discovered a cellular mechanism in hibernating ground squirrels that allows them to survive extreme cold and hypothermia. The study found changes in the cell membrane, specifically slits on neurons and glia, which enable proteins to function within selected lipid domains.

Purdue center to lead national research in dietary supplements

A national center for dietary supplement research will be established at Purdue University, combining expertise in plants and natural compounds with analytical technology. The center aims to understand the mechanisms of disease prevention and develop 'designer botanicals' to test their anticancer properties.

Offspring of premature heart attack victims show early signs of disease

Researchers found that offspring of premature heart attack victims exhibit structural and functional changes in their arteries, including thicker vessel walls and reduced reactivity, even in the absence of other risk factors. This study uses high-resolution ultrasound to detect early signs of atherosclerosis at young ages.

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.

Study challenges mammogram effectiveness in breast screening

A study found that breast cancer mortality was almost identical in two groups of women aged 50-59, one receiving annual mammograms and the other physical examinations alone. Effective and regular breast physical examinations with breast self-examination may be an alternative to annual mammograms for this age group.

Study evaluates dosage adjustments of Agenerase

A study evaluated dosage adjustments of Agenerase in HIV patients taking efavirenz or nevirapine, showing that therapeutic plasma concentrations were maintained at 6 or 12 weeks. Dosage adjustments resulted in improved amprenavir levels in all cases, despite the presence of efavirenz or nevirapine.

Study suggests greater pressure on family care as baby boom ages

A study found that the number of family members caring for chronically disabled parents or spouses decreased, but those who did were more likely to be primary caregivers. The Baby Boomer generation's lower fertility rate is expected to increase pressure on family care in the coming decades.

Global climate change and health

A study published in the Canadian Medical Association Journal examines the effects of global warming on world health, highlighting direct and indirect impacts. The authors conclude that reducing fossil fuel combustion and advocating for environmental improvements are essential to mitigate these risks.

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.

Can tomatoes protect against cancer?

A review by Sanjiv Agarwal and Akkinappally Venketeshwer Rao suggests that dietary antioxidants, particularly lycopene found in tomatoes, may have protective effects against cancer. Further research is necessary to establish guidelines for healthy eating and confirm the role of lycopene in disease prevention.

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.

Olive oil seems to protect against cancer

A study analyzing data from 28 countries found that a diet rich in olive oil was associated with a decreased risk of bowel cancer. The researchers discovered that meat and fish consumption, particularly high amounts, increased the risk of the disease, whereas cereal and vegetable intake had a protective effect.

Bullying at work increases sick leave among employees

Research in Occupational and Environmental Medicine found that bullying at work increases sick leave among hospital staff, with victims and colleagues of bullies taking more time off. The study analyzed data from over 7000 employees across Finland, finding a significant link between workplace bullying and increased rates of sickness.

Stronger goals are needed for program to benefit uninsured children

The State Children's Health Insurance Program (SCHIP) needs a broader scope and clearer goals to truly benefit children and families. States should focus on quality of care, including regular physician visits and preventive services, as well as plan ahead for primary care services and evaluate program effectiveness.

Fluke 87V Industrial Digital Multimeter

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

Zebra mussel impact on microbenthic community low in Lake Erie

Researchers found that zebra mussels stimulate bacterial production and increase numbers in sediment, but have a minor impact on the microbenthic community. The study suggests that zebra mussels may not disrupt normal processes of the microbenthic community.

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.

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.

Nurse visits reduce child abuse and neglect

Researchers found that nurse home visits reduced child abuse and neglect by up to 80% among low-income, unmarried women and their first-born children. The program had little effect on homes with moderate to severe domestic violence.

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.

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.

Persistent smoking reduces full benefit of angioplasty

A study by Beth Israel Deaconess Medical Center found that people who continued to smoke after undergoing balloon angioplasty and other procedures had lower quality-of-life scores compared to non-smokers and quitters. The researchers analyzed data from 1,432 patients and found a significant impact on physical and mental health measures.

Olive oil seems to protect against bowel cancer

A 2000 study found that olive oil consumption was associated with a decreased risk of bowel cancer, regardless of the amount of fruit and vegetables in the diet. The protective effect may be due to olive oil's ability to reduce bile acid production and increase diamine oxidase enzyme activity.

Chemical found in computer can cause allergy, sickness

Researchers found appreciable concentrations of triphenyl phosphate in 10 of 18 brand-new video monitors, which may be a health hazard for computer users even with adequate ventilation. The compound's levels remained high after two years of working use, highlighting the potential risks of computer work.

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.

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.

Day care centers incubate and spread antibiotic-resistant bacteria

A 2-year study found that day care centers incubate and spread antibiotic-resistant respiratory tract bacteria, including Streptococcus pneumoniae. The study suggests that day care centers are ideal environments for the development of such resistance due to high rates of respiratory infections and antibiotic use.

Progress on the molecular basis of mental illness in children

Research findings suggest that depression in children is linked to increased serotonin transporter availability, while dopamine levels are less significant. A family-based study also identifies a potential link between the DRD4 gene and ADHD, highlighting progress in understanding molecular basis of childhood mental illness.

Study shows how drug blocks leukemia-triggering enzyme

Researchers discovered how a new anticancer drug inhibits a runaway protein switch that causes chronic myelogenous leukemia by exploiting alterations in the shape of the protein. This precise control could give pharmaceutical companies and basic researchers new tools for manipulating cell growth and signaling pathways.

Science:Prion proteins may signal trouble -- literally

Researchers have discovered that normal prions may fine-tune neuronal functions at the cellular level through a signaling pathway. This discovery could provide new insights into how brain-degenerating diseases occur and potentially lead to treatments.

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.

OHSU researchers reveal how bacteria crawl on surfaces

OHSU researchers discovered that bacteria like E. coli and Neisseria use pili to congregate into microcolonies before invading cells, which can lead to disease spread. The study provides strong data on the mechanism of bacterial movement, potentially leading to new treatments.

Paralyzed worms add pieces to the puzzle of RNA interference

Researchers discovered that certain genes are involved in both RNA interference and nonsense-mediated decay, a protective mechanism that prevents defective protein production. The findings provide valuable clues to the relationship between these two cellular processes.

Himalyan ice cores reveal climate warming, catastrophic drought

The analysis of three Himalayan ice cores reveals a highly detailed record of the last 1,000 years of earth's climate in the high Tibetan Plateau. The data shows that both the last decade and the last 50 years were the warmest in 1,000 years, with at least eight major droughts caused by a failure of the South Asian Monsoon.

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.

Study finds seafood not harmed by Pfiesteria

A three-year study found no evidence of toxic substances from Pfiesteria in seafood. Researchers sampled edible tissues from various fish species and discovered that only menhaden were affected, with open sores being the primary cause.

Fine-tuning naltrexone treatment for alcoholics

A recent study suggests that naltrexone's effectiveness in treating alcoholism may be influenced by individual metabolism. Measuring blood levels of the medication's major metabolite, 6-beta-naltrexol, may help determine the optimal dosage for each patient. This approach could lead to better treatment outcomes and reduced relapse rates.