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News | Archive (March 2011)
NOAA scientists find killer whales in Antarctic waters prefer Weddell seals over other prey
— 31 Mar 2011 | BiologyNOAA's Fisheries Service scientists studying the cooperative hunting behaviour of killer whales in Antarctic waters observed the animals favouring one type of seal over all other available food sources, according to a study published in the journal Marine Mammal Science…
Lack of motivation, equipment main barriers for exercise for boys
— 31 Mar 2011 | HealthA lack of equipment and venues - and a lack of motivation even if those were available - are the main barriers to physical activity for adolescent boys, according to recently published research from a Michigan State University nursing researcher…
Researchers find possible clues to tamoxifen resistance in breast cancer patients
— 31 Mar 2011 | HealthBreast cancer patients who become resistant to tamoxifen may have low levels of a protein called Rho GDI-alpha, according to a study published online March 30 in the Journal of the National Cancer Institute…
Drug cocktail offers new hope for hepatitis C patients
— 31 Mar 2011 | HealthA three-drug cocktail can eliminate the hepatitis C virus in patients far more effectively than the current two-drug regimen, according to researchers at Henry Ford Hospital…
Misreading faces tied to child social anxiety
— 31 Mar 2011 | HealthChildren suffering from extreme social anxiety are trapped in a nightmare of misinterpreted facial expressions: They confuse angry faces with sad ones, a new Emory University study shows…
Study suggests a relationship between migraine headaches in children and a common heart defect
— 31 Mar 2011 | HealthRoughly 15% of children suffer from migraines, and approximately one-third of these affected children have migraines with aura, a collection of symptoms that can include weakness, blind spots, and even hallucinations. Although the causes of migraines are unclear, a new study soon to be published in The Journal of Pediatrics suggests a connection between migraine headaches in children and a heart defect called patent foramen ovale, which affects 25% of people in the U.S…
Different genes influence smoking risk during adolescence and adulthood
— 31 Mar 2011 | HealthThere is growing evidence that the risk factors for addiction change throughout the lifespan…
Fatal respiratory infections in endangered gorillas are linked to human contact
— 31 Mar 2011 | HealthIn a study published online this week in the journal Emerging Infectious Diseases, an international team of researchers report that a virus that causes respiratory disease in humans infected and contributed to the deaths of mountain gorillas in Virunga National Park. This finding raises questions about the safety of ecotourism for endangered species…
Nature study shows common lab dye is a wonder drug - for worms
— 31 Mar 2011 | HealthBasic Yellow 1, a dye used in neuroscience laboratories around the world to detect damaged protein in Alzheimer's disease, is a wonder drug for nematode worms. In a study appearing in the March 30, online edition of Nature, the dye, also known as Thioflavin T, (ThT) extended lifespan in healthy nematode worms by more than 50 percent and slowed the disease process in worms bred to mimic aspects of Alzheimer's…
New approach to leukaemia chemotherapy - is a cure in sight?
— 31 Mar 2011 | HealthSpeaking at the UK National Stem Cell Network conference in York later today (31 March), Professor Tessa Holyoake from the University of Glasgow will discuss a brand new approach to treating chronic myeloid leukaemia (CML) in which a small number of cancer cells persist despite effective therapy thus preventing cure…
Better marker for breast cancer may reduce need for second surgeries
Quantum tornado in the electron beam