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News | Archive (17 July 2008)
Research shows 28,000 year-old Europeans' DNA was like ours
— 15:43 GMT | Geology and palaeontology40,000 years ago, the Cro-Magnoid people - the first people who had a skeleton that looked anatomically modern - entered Europe, coming from Africa. In the July 16 issue of the open-access journal PLoS ONE, a group of geneticists, coordinated by Guido Barbujani and David Caramelli of the Universities of Ferrara and Florence, shows that a Cro-Magnoid individual who lived in Southern Italy 28,000 years ago was a modern European, genetically as well as anatomically…
'Healthy' sterols may pose health risk
— 15:40 GMT | HealthPlant sterols have been touted as an effective way to lower cholesterol and reduce the risk of heart disease. However, a research study in the July JLR has uncovered that these compounds do have their own risks, as they can accumulate in heart valves and lead to stenosis…
After ankle surgery: Mobilise with care
— 15:38 GMT | HealthPeople recover faster after surgery for ankle fracture if they are given a cast or splint that can be removed to let them exercise the ankle, than if their foot is placed in an immobilising plaster cast…
The emerging story of plant roots
— 15:36 GMT | BiologyAn international group of European and US scientists led by the Centre for Plant Integrative Biology at The University of Nottingham have uncovered a fascinating new insight into the unseen side of plant biology - the root…
Removing ovaries during hysterectomy: Effects remain unknown
— 15:34 GMT | HealthDuring hysterectomy operations, surgeons often remove a woman's ovaries as well as her uterus. Cochrane Researchers now say there is no evidence that removing the ovaries provides any additional benefit and warn surgeons to consider the procedure carefully…
Widespread and hardworking water on ancient Mars
— 15:32 GMT | AstronomyPapers by Brown University scientists show that water on ancient Mars was pervasive and was working hard, changing the minerals below ground and on the surface. The paper in Nature by planetary geologist John Mustard lends the first in-depth look at the various terrains in which water-bearing minerals were present. A companion paper in Nature Geoscience by graduate student Bethany Ehlmann shows a clay-rich delta that may store past life…
Paradoxical relationship between dengue haemorrhagic fever and its carrier mosquitoes
— 15:28 GMT | HealthA study by researchers in Thailand, Japan, and the UK has shown a negative correlation between dengue haemorrhagic fever (DHF) and the density of the Aedes mosquitoes that transmit the virus. The study, published 16th July in the open-access journal PLoS Neglected Tropical Diseases, explains how current efforts to reduce the mosquitoes may actually increase the incidence of the potentially fatal viral disease…
Focused Internet services provide better support to breast cancer patients
— 15:26 GMT | HealthA new study in the Journal of Communication reveals that access to an integrated system of Internet health resources helps patients more than simply providing a list of URLs to accredited sites…
Amniotic fluid measurements: Single deepest pocket is best test of fetus at risk
— 15:24 GMT | HealthWomen often undergo early caesareans or induced labour following detection of decreased amniotic fluid volume, because this is seen as a sign of foetal distress…
Amount of physical activity by children steadily declines as they get older
— 15:22 GMT | HealthNew research documents the decline in physical activity among children, with less than a third meeting recommended physical activity guidelines by the time they are 15 years old, according to a study in the 16 July issue of JAMA…
Mars Express reveals the Red Planet's volcanic past
Hubble detects methane on an extrasolar planet