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Science News Archive August 2001


Page 8 of 8

Few drawbacks to following low-fat, high-fiber diet

A new study published in Annals of Behavioral Medicine found that following a low-fat, high-fiber diet can lead to increased confidence and awareness of health and nutrition. Participants who adopted the eating plan reported no detrimental effects on taste, cost, or overall well-being.

Adversaries would find other attack methods, game theory shows

Researchers applied game theory to assess the feasibility of a proposed national missile defense (NMD) system. They found that protection may be a placebo if widely believed to be effective, prompting a cautious approach to deployment. The study suggests focusing on research and development and exploring alternative credible alternatives.

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.

The protective role of secreted CD14

Scientists propose sCD14 as a protective mechanism against LPS-mediated inflammation. Studies show that increasing sCD14 levels can neutralize LPS and reduce inflammatory cytokine secretion. The protein's role in sepsis treatment is still uncertain, but its discovery offers new hope for managing systemic effects of bacterial infections.

Stress of neighborhood noise, pollution can undermine health

Researchers in London have found that high levels of neighborhood problems such as noise, unsafe areas, smells, fumes, and litter contribute significantly to levels of daily stress. These chronic stressors in urban neighborhoods can have important health effects, particularly for those living in lower socioeconomic status communities.

Many law enforcement officers leave loaded guns unlocked

A study of Southern law enforcement agents found that 44% store their loaded guns unlocked at home. Agents with children are more likely to use safer storage practices. The findings highlight the need for better firearm safety devices and emergency response measures for officers.

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.

Community activism helps curb homelessness

A recent study found that community activism has a positive impact on the lives of mentally ill homeless individuals. The research, which tracked over 2,500 participants in 18 US towns and cities, revealed that those living in areas with high levels of community engagement were more likely to achieve stable housing.

Past domestic violence predicts future risk for women

A new study found that positive screening questions forecasted future violence in nearly nine times more likely to be victims of domestic violence. Women at highest risk were those who screened positive and recently separated from their spouse.

The glory of a nearby star

Scientists have successfully observed an optical coronal line from iron ions in a star called CN Leonis, located 8 light-years away. This achievement marks the first time such a detection has been made outside of our solar system and opens up new avenues for studying stellar cycles.

CWRU researchers study life after cancer for older Americans

A five-year research project investigates the quality of life of older adult long-term cancer survivors, revealing that while cancer can affect their identity and relationships, it does not fundamentally change who they are. Many survivors report positive family dynamics and hope for the future after treatment.

Exercise offers emotional benefits for the frail elderly

A large clinical trial found exercise improves emotional health in frail elderly adults by increasing self-efficacy and sense of mastery. However, improvements were modest in size and did not affect physical health parameters such as gait speed.

Celestron NexStar 8SE Computerized Telescope

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

Simple handwashing reduces rates of respiratory illness

A program called Operation Stop Cough reduced illness rates by 45% among Navy recruits who were ordered to wash their hands frequently. Handwashing may be especially valuable during the respiratory disease season, as it can prevent less virulent illnesses and mitigate outbreaks.

Earlier weaning, high-energy diet produce higher quality beef

A new study published in the Journal of Animal Science reveals that early weaning and high-energy diets can produce higher-quality beef with increased marbling and reduced waste fat. This approach may help cattle producers achieve consumer demand for leaner beef while reducing feed costs.

Cancer diagnostic method could reduce biopsies

A new imaging method developed at Ohio State University uses computerized analysis of magnetic resonance images to detect blurred regions that may indicate cancer. This method could significantly reduce the number of painful biopsies women undergo, with a recent study showing nearly 100% accuracy in detecting these regions.

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.

Counseling improves safe sex practices among HIV-positive individuals

A new study finds that a behavioral intervention program significantly reduces the incidence of risky sex behavior and transmission of HIV among HIV-positive men and women. The program, which included lessons on coping with HIV-related stress and promoting safer sex practices, led to increased condom use and reduced transmission rates.

GLUT4 in membrane ruffles

Researchers found GLUT4 inserted into plasma membranes at regions of membrane ruffling. High insulin and glucose levels impede this process, suggesting a novel explanation for muscle glucose homeostasis loss in diabetes. This study provides insight into the role of membrane-cytoskeletal interactions in regulating glucose uptake.

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.

New long-necked dinosaur in Madagascar

A nearly complete long-necked sauropod dinosaur was recently unearthed in Madagascar, providing the first comprehensive view of a titanosaur skull. The discovery, announced by NSF-funded scientists, confirms a close relationship between titanosaurs and brachiosaurs, revolutionizing our understanding of Mesozoic reptiles.

Uninsured, medicaid patients more likely to die from heart attack

A new study found that patients with public health insurance are more likely to die from a heart attack than those with private insurance, highlighting an inequity in medical care delivery. The study also suggests that patients with inferior insurance status may have more advanced disease and experience poorer outcomes.