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News | Archive (21 October 2009) [Page 2]
Carbon-offsetting and conservation can both be winners in rainforest
— 11:02 GMT | EnvironmentLogged rainforests can support as much plant, animal and insect life as virgin forest within 15 years if properly managed, research at the University of Leeds has found…
0.2 second test for explosive liquids
— 10:59 GMT | TechnologySince a failed terrorist attack in 2006, plane passengers have not been able to carry bottles of liquid through security at airports, leaving some parched at the airport and others having expensive toiletries confiscated, but work by a group of physicists in Germany is paving the way to eliminate this necessary nuisance…
Using relative utility curves for risk prediction
— 10:56 GMT | HealthA relative utility curve is a simple method to evaluate risk prediction in a medical decision-making framework, according to a commentary published online 20 October in the Journal of the National Cancer Institute…
MIT: Muscle 'synergies' may be key to stroke treatment
— 10:53 GMT | HealthResearchers at MIT and San Camillo Hospital in Venice, Italy, have shown that motor impairments in stroke patients can be understood as impairments in specific combinations of muscle activity, known as synergies…
2-million-year-old evidence shows tool-making hominins inhabited grassland environments
— 10:50 GMT | Geology and palaeontologyIn an article published in the open-access, peer-reviewed journal PLoS ONE on 21 October, Dr Thomas Plummer of Queens College at the City University of New York, Dr Richard Potts of the Smithsonian Institution National Museum of Natural History and colleagues report the oldest archeological evidence of early human activities in a grassland environment, dating to 2 million years ago. The article highlights new research and its implications concerning the environments in which human ancestors evolved…
Texas A and M researchers find new mechanism for circadian rhythm
— 10:47 GMT | BiologyMolecules that may hold the key to new ways to fight cancer and other diseases have been found to play an important role in regulating circadian rhythm, says Liheng Shi, a researcher in Texas A and M's Department of Veterinary Integrative Biosciences…
Happy flies look for a place like home
— 10:44 GMT | BiologyA happy youth can influence where a fruit fly chooses to live as an adult, according to new research in the American Naturalist. The study, led by Judy Stamps from the University of California at Davis, provides new insight into how animals choose places to live and raise their young…
UF scientists discover new explanation for controversial old patient-care technique
— 10:41 GMT | HealthYou might not know what it's called, but if you've had general anaesthesia before surgery, especially after an accident, it is likely you have received Sellick's manoeuvre. That's when fingers are pressed against a patient's throat to prevent regurgitation and spilling of stomach contents into the airway and lungs while anaesthesia is being administered…
Penn team uses self-assembly to make molecule-sized particles with patches of charge
— 10:38 GMT | TechnologyPhysicists, chemists and engineers at the University of Pennsylvania have demonstrated a novel method for the controlled formation of patchy particles, using charged, self-assembling molecules that may one day serve as drug-delivery vehicles to combat disease and perhaps be used in small batteries that store and release charge…
US coal peak production: Point and counterpoint
— 10:35 GMT | EnvironmentA timely debate on 'United States Coal Peak Production' will enliven the annual meeting of the Geological Society of America in Portland, Oregon, today. Highly regarded experts David B. Rutledge of the California Institute of Technology and Robert C. Milici from the U.S. Geological Survey will be keynote speakers presenting opposing views…
Scientists unlock molecular origin of blood stem cells
Researchers control the assembly of nanobristles into helical clusters