Add BrightSurf on Google Email

Science News for April 19, 2011


Physical activity improves walking capacity in Chilean elderly

A recent study published in PLoS Medicine found that a nutritional supplement and physical activity program improved walking capacity in Chilean older adults. The program, known as CENEX, was evaluated for its cost-effectiveness in preventing pneumonia and functional decline in older people.

SourcePLOS·JournalPLOS Medicine·DateApr 19, 2011

High rates of substance abuse exist among veterans with mental illness

A new study published in The American Journal on Addictions reveals that Veterans who suffer from mental health disorders also have high rates of substance use disorders. Rates of substance use disorders among those with mental illness range from 21-35%, with bipolar disorder and schizophrenia showing the highest rates.

SourceWiley·JournalAmerican Journal on Addictions·DateApr 19, 2011

Taking aim at tumors

Binghamton University researchers are studying the role of tubulin tyrosine ligase (TTL) in cancer cells, which may lead to more effective treatments. The team has developed a new labeling technique to observe TTL's behavior in live cells, potentially allowing clinicians to personalize cancer therapies.

A cancer marker and treatment in 1?

Researchers at UC San Diego School of Medicine have discovered a potential cancer biomarker in non-human sialic acid antibodies, which can also be used as a treatment to suppress tumor growth. The study found that patients with carcinomas have elevated levels of antibodies to one specific Neu5Gc-containing sugar chain.

SourceUniversity of California - San Diego·JournalCancer Research·DateApr 19, 2011

Treatment-resistant epilepsy common in idiopathic autism

A new study found that treatment-resistant epilepsy (TRE) is common in idiopathic autism, with early age at seizure onset and delayed global development associated with TRE. Researchers also discovered that patients with TRE had more developmental regression, motor and language delays than those who were seizure-free.

SourceWiley·JournalEpilepsia·DateApr 19, 2011

Gold prices spur six-fold spike in Amazon deforestation

A recent study by Duke University reveals a six-fold increase in Amazon deforestation in Peru, largely driven by artisanal gold mining fueled by record gold prices. The mining activities have led to widespread mercury pollution, contaminating water and soil, and posing risks to human health and the environment.

SourceDuke University·JournalPLOS ONE·DateApr 19, 2011

How children learn to say 'no'

A new study shows that the IPSY program, a life skills program for children, reduces alcohol and nicotine abuse among school children. The program boosts self-confidence in girls and improves communication skills in boys, making them less susceptible to peer pressure.

SourceFriedrich-Schiller-Universitaet Jena·JournalThe Journal of Early Adolescence·DateApr 19, 2011

Keeping oysters, clams and mussels safe to eat

Researchers at USDA's Agricultural Research Service are investigating the use of high-pressure processing (HPP) to inactivate viruses and bacteria in oysters, clams, and mussels. The technique, already used in pasteurizing juices and meats, has shown promise in inactivating 99.9% of hepatitis A virus in mollusks.

Gulf oil spill similar to Exxon Valdez in initial social and mental impacts, study finds

A new study reveals that the BP Deepwater Horizon oil spill caused significant social disruption and psychological stress among Gulf residents, similar to the aftermath of the Exxon Valdez spill. The study found that family health concerns, economic loss, and exposure to oil were key factors contributing to higher levels of stress.

SourceUniversity of Colorado at Boulder·JournalAmerican Behavioral Scientist·DateApr 19, 2011

Study of European HIV-positive children shows that 1 in 8 experience triple-class virological failure by 5 years after starting antiretroviral treatment

A study of European HIV-positive children reveals that 12% develop triple-class virological failure by 5 years after starting antiretroviral treatment, compared to adults. The high failure rate underlines the need for strategies to promote optimum drug adherence in children and young people.

SourceThe Lancet_DELETED·JournalThe Lancet·DateApr 19, 2011

Bringing new ideas to fruition

In 'The Art of Invention', Paley explores the essential aspects of creative thinking, from identifying a problem or need to finding an inspired solution. He offers detailed guidance for aspiring inventors and experienced designers alike on conceptualizing ideas and turning them into reality.

Different views of God may influence academic cheating

Researchers found that students who believe in a harsh, punishing God are less likely to cheat on tests, whereas those who believe in a loving, forgiving God are more likely to cheat. This suggests that the type of God one believes in plays a significant role in shaping moral behavior.

SourceUniversity of Oregon·JournalInternational Journal for the Psychology of Religion·DateApr 19, 2011

Spring-cleaning the mind?

A Concordia University study reveals that a cluttered brain can hinder memory, with older individuals struggling to recall and process information. The research suggests that reducing mental clutter and engaging in mentally stimulating activities may help improve memory and cognitive function.

SourceConcordia University·JournalQuarterly Journal of Experimental Psychology·DateApr 19, 2011

Houston grandmother is nation's first 'Super Wi-Fi' user

Rice University and nonprofit Technology For All launch free community broadband Wi-Fi network in East Houston neighborhood, providing underserved residents with reliable internet access. The network uses dynamic spectrum access technology to automatically shift between traditional Wi-Fi and unused TV channels for optimal coverage.