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News | Archive (5 January 2011)
Epic journeys of turtles revealed
— 18:09 GMT | BiologyThe epic ocean-spanning journeys of the gigantic leatherback turtle in the South Atlantic have been revealed for the first time thanks to groundbreaking research using satellite tracking…
Metabolic cost of human sleep deprivation quantified by University of Colorado team
— 18:06 GMT | HealthIn the first-ever quantification of energy expended by humans during sleep, a University of Colorado team has found that the metabolic cost of an adult missing one night of sleep is the equivalent of walking slightly less than two miles…
Team creates novel vaccine that produces strong immunity against cocaine high
— 18:03 GMT | HealthResearchers from The Scripps Research Institute, Weill Cornell Medical College, and Cornell University have produced a long-lasting anti-cocaine immunity in mice by giving them a unique vaccine that combines bits of the common cold virus with a particle that mimics cocaine…
A new model to predict accurate outcomes for IVF
— 18:00 GMT | HealthCouple-and treatment-specific factors can be used to provide infertile couples with an accurate assessment of the likelihood of having a successful outcome following in-vitro fertilisation (IVF). A new prediction model created by Scott Nelson from the University of Glasgow, Glasgow, Scotland and Debbie Lawlor from the University of Bristol, Bristol, England, and published in this week's PLoS Medicine, provides a more accurate and contemporary assessment of likely outcomes after IVF than a previously established model, partly because the new model includes intracytoplasmic sperm injection outcomes…
Yale researchers find double doses of chicken pox vaccine most effective
— 17:57 GMT | HealthWhen vaccinating children against varicella (chicken pox), researchers at Yale School of Medicine have found, two doses are better than one. In fact, the odds of developing chicken pox were 95 percent lower in children who had received two doses of the vaccine compared with those who had received only one dose…
Prehistoric bird used club-like wings as weapon
— 17:54 GMT | Geology and palaeontologyLong before the knights of medieval Europe wielded flails or martial artists brandished nunchucks, it appears that a flightless prehistoric bird used its own wings as a similar type of weapon in combat…
Brain scans show children with ADHD have faulty off-switch for mind-wandering
— 17:51 GMT | HealthBrain scans of children with attention-deficit/hyperactivity disorder (ADHD) have shown for the first time why people affected by the condition sometimes have such difficulty in concentrating. The study, funded by the Wellcome Trust, may explain why parents often say that their child can maintain concentration when they are doing something that interests them, but struggles with boring tasks…
Maternal depression adversely affects quality of life in children with epilepsy
— 17:48 GMT | HealthA study by Canadian researchers examined the prevalence of maternal depression and its impact on children newly diagnosed with epilepsy. Prevalence of depression in mothers ranged from 30%-38% within the first 24 months following a child's epilepsy diagnosis. The mother's depressive symptoms negatively impacted the child's health-related quality of life, but the effects were moderated by the amount of family resources and mediated by how well the family functions and the extent of family demands. Details of this novel study appear online in Epilepsia, a journal published by Wiley-Blackwell on behalf of the International League Against Epilepsy…
Helicopter transport increases survival for seriously injured patients
— 17:45 GMT | HealthSeverely injured patients transported by helicopter from the scene of an accident are more likely to survive than patients brought to trauma centres by ground ambulance, according to a new study published in The Journal of Trauma: Injury, Infection, and Critical Care. The study is the first to examine the role of helicopter transport on a national level and includes the largest number of helicopter-transport patients in a single analysis…
Thermostatic mixer valves could significantly reduce the risk of scalding in children
— 17:42 GMT | HealthUsing a thermostatic mixer valve to control the maximum temperature of children's bath water can significantly reduce the temperature of hot bath water and should reduce the risk of scalding, according to researchers at The University of Nottingham…
First use of cosmic lens to probe dark energy
Galactic super-volcano in action