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Science News for July 15, 2002


Drug combo curbs artery re-closing after some heart attacks

A combination therapy of aspirin and coumarin reduced artery re-closure after heart attacks by 45% in a clinical trial. The therapy also improved problem-free survival rates and reduced the incidence of second heart attacks, according to researchers from the American Heart Association.

SourceAmerican Heart Association·DateJul 15, 2002

Viruses help strep bacteria turn deadly

Researchers identified unique genes in a virulent GAS strain that were imported from bacteriophages, contributing to its high infectivity. The study provides new insights into the evolution of bacterial virulence and potential targets for novel treatments.

SourceNIH/National Institute of Allergy and Infectious Diseases·JournalProceedings of the National Academy of Sciences·DateJul 15, 2002
Apple iPhone 17 Pro

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

Journal of Rehabilitation R&D releases latest issue

The Journal of Rehabilitation Research & Development features articles on life satisfaction following spinal cord and traumatic brain injury, as well as a study on foot models for ulcer-prevention treatment. A preliminary study on genetically engineered spinal cord implants also highlights potential improvements in bladder structure af...

SourceVeterans Affairs Research Communications·JournalThe Journal of Rehabilitation Research and Development·DateJul 15, 2002

Annals of Internal Medicine, tip sheet, July 16, 2002

The US Preventive Services Task Force recommends that all adults over 50 be screened for colorectal cancer using methods like the fecal occult blood test or flexible sigmoidoscopy. The Task Force also notes that clot-busting drugs and angioplasty are underused in certain patient groups, particularly women and specific types of heart at...

SourceAmerican College of Physicians·JournalAnnals of Internal Medicine·DateJul 15, 2002

Alcohol use marker may also signal marijuana use, risk of depression

Researchers found that adenylyl cyclase activity levels were more sensitive to recent alcohol consumption in subjects with a family history of alcoholism. Chronic marijuana users had substantially higher adenylyl cyclase activity levels, suggesting possible abnormal metabolism or product of marijuana use.

SourceCenter for Advancing Health·DateJul 15, 2002

'Obesity sleuths' find chronic diseases linked to behavior contrary our DNA

A study finds that a lack of physical activity disrupts normal homeostatic mechanisms, leading to an increased risk of chronic conditions. The research highlights the importance of physical activity in preventing common chronic diseases, including cancer, cardiovascular diseases, and metabolic disorders.

SourceAmerican Physiological Society·JournalJournal of Applied Physiology·DateJul 15, 2002

U-M Depression Center receives $750K gift from Eli Lilly Foundation

The U-M Depression Center will expand outreach activities, automate treatment reporting, and coordinate care through trained specialists to improve depression treatment. The gift also enables the development of strategies for improving treatment adherence, a key factor in successful treatment outcomes.

SourceMichigan Medicine - University of Michigan·DateJul 15, 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.

Does that 'java-jolt' affect coffee and non-coffee drinkers alike?

A recent study by the American Physiological Society found that non-coffee drinkers experience a greater ergogenic benefit from caffeine consumption compared to regular users. Caffeine's effect on physical productivity was also examined, revealing no significant increase in performance for sustained coffee drinkers.

SourceAmerican Physiological Society·JournalJournal of Applied Physiology·DateJul 15, 2002

Houston called 'lightning capital of Texas'

A recent study reveals that Houston gets more lightning than surrounding areas, with a higher frequency of cloud-to-ground flashes in the summer months. The city's unique combination of urban heat island effects and air pollution may be responsible for this increased activity.

SourceTexas A&M University·DateJul 15, 2002

Teens’ images of America express common themes

A study by Catherine Cornbleth found that high school students in upstate New York expressed complex views on America, with many perceiving it as a nation with both realistic and hopeful aspects. The students' images were shaped by sources such as school, personal experience, and family.

SourceAmerican Educational Research Association·JournalAmerican Educational Research Journal·DateJul 15, 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.

Adults over 50 should be screened for colorectal cancer, US group says

The American College of Physicians recommends screening adults over 50 for colorectal cancer. The Task Force identified two screening methods that have been shown to reduce death from colorectal cancer: the fecal occult blood test and flexible sigmoidoscopy.

SourceAmerican College of Physicians·JournalAnnals of Internal Medicine·DateJul 15, 2002

Los Alamos researchers recommend AIDS vaccine strategies

A team of Los Alamos researchers suggests using a consensus sequence of the HIV-1 virus as a basis for vaccines, rather than geographically specific strains. This approach aims to target common vulnerabilities in multiple strains of the virus.

SourceDOE/Los Alamos National Laboratory·JournalScience·DateJul 15, 2002