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News | Archive (11 January 2011)
Longevity unlikely to have aided early modern humans
— 18:20 GMT | Geology and palaeontologyLife expectancy was probably the same for early modern and late archaic humans and did not factor in the extinction of Neanderthals, suggests a new study by a Washington University in St. Louis anthropologist…
'Hot-bunking' bacterium recycles iron to boost ocean metabolism
— 18:17 GMT | EnvironmentIn the vast ocean where an essential nutrient - iron - is scarce, a marine bacterium that launches the ocean food web survives by using a remarkable biochemical trick: It recycles iron…
Nursing home closures concentrated in poorest areas
— 18:14 GMT | HealthWhile wealthier people have chosen alternatives to urban nursing homes, the urban poor still depend on them for long-term care. A new study led by researchers at Brown University finds that option is nevertheless slipping away. Between 1999 and 2008, nursing home closures in the United States were concentrated disproportionately in poor, urban and predominantly minority neighbourhoods…
Winter sports threaten indigenous mountain birds
— 18:11 GMT | EnvironmentIn the winter months, the mountain ranges of central Europe attract thousands of tourists for skiing, snowboarding and other outdoor sports, but conservationists fear this annual invasion may threaten indigenous bird species, including the Capercaillie. The research, published in the journal IBIS, reveals how the growth of human recreation may be a key factor in the rapidly declining population of these iconic alpine birds…
Being poor can suppress children's genetic potentials
— 18:08 GMT | HealthGrowing up poor can suppress a child's genetic potential to excel cognitively even before the age of 2, according to research from psychologists at The University of Texas at Austin…
Study identifies new genetic signatures of breast cancer drug resistance
— 18:05 GMT | HealthA new study conducted by Josh LaBaer's research team in the Biodesign Institute at Arizona State University has pinpointed more than 30 breast cancer gene targets - including several novel genes - that are involved in drug resistance to a leading chemotherapy treatment…
UNC researchers inch closer to unlocking potential of synthetic blood
— 18:02 GMT | HealthA team of scientists has created particles that closely mirror some of the key properties of red blood cells, potentially helping pave the way for the development of synthetic blood…
Nuclear receptors reveal possible interventions for cancer, obesity
— 17:59 GMT | HealthResearch with significant implications in the treatment and intervention of cancer and obesity has been published recently in two prestigious journals by University of Houston (UH) biochemist Dr Jan-Ake Gustafsson…
International first: Gas-phase carbonic acid isolated
— 17:56 GMT | ChemistryA team of chemists headed by Thomas Loerting from the University of Innsbruck and Hinrich Grothe from the Vienna University of Technology (TU Wien) in Austria have prepared and isolated gas-phase carbonic acid and have succeeded in characterising the gas-phase molecules by using infrared spectroscopy. The results were published in the journal Angewandte Chemie International Edition…
Study estimates land available for biofuel crops
— 17:53 GMT | EnvironmentUsing detailed land analysis, Illinois researchers have found that biofuel crops cultivated on available land could produce up to half of the world's current fuel consumption - without affecting food crops or pastureland…
Scientists find carbonate and clues to Mars mysteries
Researchers lay out vision for lighting 'revolution'