Add BrightSurf on Google Email

Science News for March 4, 2011


Racial identity tied to happiness, study finds

A recent study at Michigan State University found that individuals with a strong sense of racial identity tend to be happier in life. The research suggests that this connection is particularly pronounced for women, who experience increased happiness due to a stronger sense of belongingness within their racial group.

SourceMichigan State University·JournalCultural Diversity and Ethnic Minority Psychology·DateMar 4, 2011

Can you predict your mate will cheat by their voice?

A study by McMaster University found that people use voice pitch as a warning sign of future betrayal. Women are drawn to men with lower pitches, while men are attracted to women with higher pitches. This evolutionary mechanism helps protect individuals from infidelity and its associated costs.

SourceMcMaster University·JournalEvolutionary Psychology·DateMar 4, 2011

Weight-loss surgery successful in treating overweight adolescents

A new study published in Clinical Obesity reveals that bariatric surgery can result in significant weight loss in severely obese adolescents. The existing evidence suggests that bariatric surgery in older children results in significant weight loss and improvements in comorbidities and quality of life.

SourceWiley·JournalClinical Obesity·DateMar 4, 2011

Breast cancer survivors at higher risk for falls

Postmenopausal breast cancer survivors are more likely to fall than their peers, according to a new study in the Archives of Physical Medicine and Rehabilitation. The research suggests that balance disturbances caused by treatment may contribute to falls in these patients.

SourceElsevier Health Sciences·JournalArchives of Physical Medicine and Rehabilitation·DateMar 4, 2011

The better off sleep better

A UK study found that people with higher levels of education and married individuals report better sleep quality. Additionally, job satisfaction plays a significant role in determining the quality of sleep, with those who are least satisfied reporting shorter sleep periods. The study also highlights the impact of work-related pressures...

Happy hour linked to pub violence

A Cardiff University study found a strong link between happy hour-style drinking promotions and pub violence in the UK. The research suggests that premises with aggressive pricing strategies and lax staff monitoring are more likely to experience high levels of violence.

SourceCardiff University·JournalAlcohol and Alcoholism·DateMar 4, 2011

Environmental impact of animal waste

Researchers found that anaerobic lagoons in North and South Carolina have high levels of nitrogen-cycling genes but low denitrification enzyme activity, leading to acidification and eutrophication of surrounding ecosystems. The study highlights the need for improved waste management practices to minimize environmental harm.

SourceAmerican Society of Agronomy·JournalJournal of Environmental Quality·DateMar 4, 2011