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Science News Archive October 2007


Page 8 of 21

Weight gain related to postmenopausal breast cancer risk

Research suggests that weight gain throughout adulthood, rather than maintaining a stable weight, may increase the risk of breast cancer after menopause. Women who gained weight during certain life stages were more likely to develop breast cancer compared to those with stable weights.

Canadian Parliamentarians' attitudes toward health research

A survey of Canadian parliamentarians reveals that most have poor knowledge of health research activities, benefits, and costs in Canada. The results highlight the need for increased awareness and education about the importance of health research.

Apple iPhone 17 Pro

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

Is a good night's sleep crucial for your health?

The EU-funded sleep research project has investigated the effects of partial sleep loss on human health, finding that individuals' ability to perform complex tasks decreases with restricted sleep. The study also revealed changes in the immunological system, including increased C-reactive protein levels.

XDR TB in South Africa traced to lack of drug susceptibility testing

A study found that a strain of extensively drug-resistant tuberculosis in South Africa developed resistance to multiple drugs due to inadequate drug susceptibility testing. The authors emphasize the need for increased use of drug resistance surveillance programs to prevent further development of XDR TB.

Fluke 87V Industrial Digital Multimeter

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

Global deal fuels QUT's world-changing research

QUT and Syngenta will collaborate on developing cellulosic ethanol from sugarcane, aiming to reduce greenhouse gas emissions by up to 80% compared to conventional petrol. The partnership is expected to lead to a significant global stake in biofuels research and potentially replace 30% of vehicle petroleum globally.

Endobronchial valve significantly improves emphysema

A two-year study involving 321 patients found that endobronchial valves significantly improved measures of lung function and quality of life for emphysema patients. The valves allowed over-distended air sacs to deflate, resulting in increased overall lung function.

New inhibitor has potential as cancer drug

A new heparanase inhibitor has shown promising results in animal models, indicating its potential as a cancer drug. The enzyme heparanase splits polysaccharides into shorter fragments, which can promote tumor growth. By inhibiting this enzyme, researchers hope to develop a new treatment for cancer.

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.

Cancer survival is not influenced by a patient's emotional status

A large-scale study published in CANCER journal found that a patient's emotional state has no direct or indirect effect on cancer survival or disease progression. The research analyzed data from over 1,000 patients with head and neck cancer, concluding that psychological factors are not independently prognostic in cancer management.

Poverty and chronic diseases in Asia

A recent study highlights the significant impact of poverty on chronic disease in Asian countries, resulting in over 8 million avoidable deaths annually. Practical interventions such as tobacco-smoking cessation programs and regional partnerships between governments and institutions are proposed to mitigate these effects.

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.

More fast food means greater BMI

A Temple University analysis reveals that eating three to six fast-food meals per week is associated with a significant increase in body mass index. The study also found that Americans are less willing to pay more for healthy dishes, less knowledgeable about healthy menu items, and more likely to consider healthy items bland-tasting.

Harvard University engineers demonstrate quantum cascade laser nanoantenna

Researchers from Harvard University have demonstrated a laser with unprecedented detail, capable of resolving chemical composition of samples like cells. This device combines Quantum Cascade Lasers with optical antenna nanotechnology, enabling new ultrahigh spatial resolution microscopes for chemical imaging.

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.

Personal safety concerns could thwart exercise targets for the poor

Research suggests that perceived safety is a significant barrier to physical activity among low-income individuals. Women who feel unsafe at night take significantly fewer steps, compromising their health. The findings underscore the importance of addressing safety concerns to encourage exercise and improve overall well-being in disadv...

Age affects motivation for quitting smoking

A new study found that obstacles to quitting smoking vary by age. Younger smokers (under 65) reported quitting due to cigarette cost and tobacco odor, whereas older smokers (over 65) quit due to physician pressure and stress from major health problems. The study suggests that tailoring treatment plans to address each group's concerns c...

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.

Sports medicine programs benefit from pulmonologist on staff

A new study reveals that only a quarter of NCAA-affiliated athletic trainers have a pulmonologist on their team, leading to inadequate asthma management guidelines and equipment availability. The presence of a pulmonologist increases adherence to national guidelines, potentially improving athlete care.

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.

Scientists uncover how hormones achieve their effects

Researchers at EMBL used a novel microscopy technique to observe the interplay of signalling molecules in living yeast cells. They found that the actual signal is not produced uniformly throughout the cell but only by specific chain components in the mating projection.

Can you feel the heat? Your cilia can

Scientists have discovered that tiny hair-like cell structures known as cilia are essential for our sense of touch. The study found that mice lacking functional cilia responded more slowly to physical sensations, and patients with inherited conditions affecting cilia also had different sensation thresholds.

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.

18 young scientists join EMBO Young Investigator network

The European Molecular Biology Organization (EMBO) has selected 18 young scientists from Europe to receive the prestigious Young Investigator Programme. The three-year programme aims to support outstanding young researchers in developing their professional skills and reputation in the scientific community.

Common virus may help doctors treat deadly brain tumors

A common human virus, Human cytomegalovirus (HCMV), has been found to be associated with the deadliest form of brain tumors, glioblastoma multiforme. Researchers at Duke University Medical Center have developed a vaccine targeting HCMV that could empower the body's immune system to fight infected tumor cells and destroy cancer.

Clues to ensuring anti-HIV drugs are taken in Africa

Researchers found that patients who openly discussed their HIV status had better adherence to medication regimens and lower rates of treatment failure. Free medication and social support also increased the chances of patients continuing treatment.

APC papers in global theme issue on poverty

AIDS Patient Care and STDs has been selected as one of seven papers presented orally at the NIH Launch of the Council of Science Editors' Global Theme Issue on Poverty and Human Development. The paper explores the importance of human resources for treating HIV/AIDS, highlighting gaps in needs assessment and capacity building.

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.

Improvements in survival after dialysis in the elderly

A retrospective cohort study found that elderly patients who started dialysis between 1990 and 1999 experienced significant improvements in survival rates. Patients aged 65-74 years at the start of dialysis showed a 23% improvement in survival, while those aged 75 or more saw a 15% gain.

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.

Epstein-Barr: a virtual look at a vexing virus

A virtual simulation model called Pathogen Simulation (PathSim) was developed to study the progression of Epstein-Barr virus (EBV) in humans. The researchers used PathSim to simulate EBV infection and observe its impact on the immune system, finding critical switch points that determine disease progression.

Improvement still needed in HIV testing in high-risk groups

High-risk individuals face barriers to testing, including lack of healthcare access and mental health issues. Despite CDC efforts, only 27% of those at highest risk have been tested in the past year, highlighting untapped potential for increased testing rates.

MIT works toward novel therapeutic device

Researchers at MIT have made significant advances toward a novel therapeutic device that can selectively provide signals to cells traveling through the bloodstream. The technology leverages cell rolling, a biological process that slows down cells as they flow through blood vessels, allowing them to sense signals from nearby tissues.

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.

Physicians successfully trained to perform cataract surgery in rural China

A study found that physicians trained to perform cataract surgery in rural China showed improved vision for over 85% of patients, with nearly 96% achieving good visual outcomes. However, only 35% of patients accepted glasses prescriptions and 48% opted for surgery on their second eye due to cost concerns.

Unexpected growth in atmospheric CO2

A recent study reveals that atmospheric carbon dioxide (CO2) growth has increased by 35% faster than expected since 2000, primarily driven by inefficient fossil fuel use and declining natural sinks. This acceleration in CO2 growth poses significant challenges for achieving stabilization of atmospheric CO2 levels.

Zinc may reduce pneumonia risk in nursing home elderly

A study published in the American Journal of Clinical Nutrition found that daily zinc intake can help reduce pneumonia risk in nursing home residents, especially those with low serum zinc concentrations. Participants with normal serum zinc levels had a 50% lower risk of developing pneumonia and reduced mortality rates by 39%.

Celestron NexStar 8SE Computerized Telescope

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

Broccoli sprout-derived extract protects against ultraviolet radiation

A team of Johns Hopkins scientists found that topical application of broccoli sprout-derived extract can protect human skin against UV radiation-induced damage. The extract works by boosting protective enzymes in cells, providing long-lasting protection even after the extract is removed from the skin.

Fight against HIV needs local scientists, say researchers

Local scientists play a crucial role in the fight against HIV, requiring adequate resources to conduct high-quality trials and develop treatments. Western governments must commit to sharing technology and expertise with developing countries on a long-term basis.

Hypnosis for smoking cessation sees strong results

A study presented at CHEST 2007 found that hypnotherapy resulted in higher quit rates compared to nicotine replacement therapy (NRT) alone. Patients admitted with a cardiac diagnosis were three times more likely to quit smoking at 6 months than those with a pulmonary diagnosis.

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.

Global theme issue on poverty and human development

The Council of Science Editors has organized a Global Theme Issue on Poverty and Human Development, with contributions from Mary Ann Liebert journals. Research papers discuss HIV/AIDS treatment, breastfeeding as a solution to poverty, and the social responsibility of naturopathic physicians in addressing human development.