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Science News for September 20, 1999


UB scientists discover role of melatonin in bone formation

Researchers at the University at Buffalo have found that melatonin speeds up bone formation and increases production of bone matrix proteins, suggesting a potential link to osteoporosis prevention. The study used mouse and rat cells to demonstrate the role of melatonin in promoting bone growth.

SourceUniversity at Buffalo·JournalJournal of Biological Chemistry·DateSep 20, 1999

Ultrapowerful laser system performs difficult industrial task on tabletop

Researchers at University of Michigan have developed a new isotope-separation process using an ultrapowerful laser system that can deliver up to 1000 times more power than the entire electrical generating capability of the US. This technique provides a futuristic alternative to bulky methods and opens possibilities for preparing medica...

SourceAmerican Institute of Physics·JournalPhysical Review Letters·DateSep 20, 1999

Substance abuse impacts co-workers

A new study found that workplace substance use has significant negative consequences for employees, including morale problems, increased injury risk, and poor communication. The researchers developed a team-oriented training to help work groups address co-worker substance use and promote employee well-being.

SourceCenter for Advancing Health·JournalJournal of Health and Social Behavior·DateSep 20, 1999
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.

Early discharge appears safe for Medicaid newborns

A study by Cincinnati Children's Hospital Medical Center found that early discharge for full-term, Medicaid newborns in Ohio did not result in increased rehospitalization rates. In fact, rehospitalizations decreased 23% due to better post-discharge coordination of care.

SourceCincinnati Children's Hospital Medical Center·DateSep 20, 1999

Study of fruit flies may yield new clues to colon cancer development

Scientists at UNC Chapel Hill study found that a protein called adenomatous polyposis coli (APC) helps destroy another protein, beta catenin, which can lead to cell proliferation and tumor formation if disrupted. Understanding this pathway may help block tumor development in humans.

SourceUniversity of North Carolina Health Care·JournalJournal of Cell Biology·DateSep 20, 1999

Study shows Smart Start boosting school readiness

A new study found Smart Start programs significantly improve North Carolina children's thinking and language skills compared to non-participating children. The program's effectiveness was linked to direct classroom quality assistance, while other types of support had little impact on school readiness.

SourceUniversity of North Carolina at Chapel Hill·DateSep 20, 1999

Job complexity, simplicity linked to substance use

A study of over 7,000 people found that job complexity affects substance use, with those in complex jobs using more substances and those in simpler jobs using less. The researchers suggest assessing workers' cognitive abilities and reassigning or restructuring jobs to match their skills.

SourceCenter for Advancing Health·JournalJournal of Health and Social Behavior·DateSep 20, 1999

Analysis suggests women treated for breast cancer do better with axillary node dissection

A University of Iowa-led study found that women with Stage I breast cancer who did not receive axillary node dissections had significantly worse 10-year survival rates compared to those who underwent the procedure. The analysis suggests that many women with early-stage disease are not receiving this crucial treatment, which may impact ...

SourceUniversity of Iowa·JournalJournal of the American College of Surgeons·DateSep 20, 1999
Apple iPhone 17 Pro

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

A miserable life on overcrowded Earth in 2100

A new Cornell University study suggests that without democratic population-control practices and resource-management policies, the world's 2 billion people will face a difficult life by 2100. The report predicts an optimal population of 2 billion, with a standard of living about half that of the United States in the 1990s.

SourceCornell University·DateSep 20, 1999

Parents serve as models for adolescents' health behavior

A study found that adolescents emulate their parents' overall health-risk lifestyle and adopt specific behaviors. Parents' health-risk behaviors are linked to their children's adoption of similar habits.

SourceCenter for Advancing Health·JournalJournal of Health and Social Behavior·DateSep 20, 1999