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News | Archive (15 December 2008)
Over 1000 species discovered in the Greater Mekong in past decade
— 18:40 GMT | BiologyA rat thought extinct for 11 million years and a hot-pink, cyanide-producing dragon millipede are among a thousand new species discovered in the Greater Mekong Region of Southeast Asia in the last decade, according to a new report launched by World Wildlife Fund (WWF). First Contact in the Greater Mekong reports that 1068 species were discovered or newly identified by science between 1997 and 2007 - which averages two new species a week…
Kids' mental health concerns meet barriers in primary, speciality care
— 18:40 GMT | HealthMiddle childhood and adolescence are stages in a child's development fraught with physical, mental and emotional changes. These are particularly difficult periods for many parents who may look to their child's primary care physician for guidance and assistance with getting treatment if needed…
Music therapy helps relieve anxiety of cancer
— 18:40 GMT | HealthOne day Gisele Bigras was a college student finishing up another year of school. The next day, she was a cancer patient faced with having one of her fingers removed. The diagnosis: epithelioid sarcoma in her middle finger. Bigras, 19, was in a state of shock and panic. But music brought her back…
New fluorescent probes detect reactive oxygen species
— 18:40 GMT | HealthResearchers have created a new family of fluorescent probes called hydrocyanines that can be used to detect and measure the presence of reactive oxygen species. Reactive oxygen species are highly reactive metabolites of oxygen that have been implicated in a variety of inflammatory diseases, including cancer and atherosclerosis…
Healthy make-over: Natural colours replace artificial colorants in foods, beverages
— 18:40 GMT | ChemistryIn the future, Santa may be leaving candy canes and nibbling holiday cookies that are a little duller, but better for your health. The reason? Food colour manufacturers are going natural. Food manufacturers worldwide are increasingly turning to more natural colours in an effort to replace potentially harmful, though often dazzling, artificial colourings now used in many foods and beverages. An article on this topic is scheduled for the 15 December issue of Chemical and Engineering News, ACS' weekly newsmagazine…
Tracking community-wide drug use by testing water at sewage treatment plants
— 18:40 GMT | HealthScientists in Oregon and Washington State are reporting the development and successful testing of a new method for determining the extent of illicit drug use in entire communities from water flushed down toilets that enters municipal wastewater treatment plants. The technique may be an effective tool for comparing drug use in different regions of the United States and the world, they note in a study is scheduled for the 15 December issue of ACS' Environmental Science and Technology, a semi-monthly journal…
Tiny delivery system with a big impact on cancer cells
— 18:40 GMT | HealthResearchers in Pennsylvania are reporting for the first time that nanoparticles 1/5,000 the diameter of a human hair encapsulating an experimental anticancer agent, kill human melanoma and drug-resistant breast cancer cells growing in laboratory cultures. The discovery could lead to the development of a new generation of anti-cancer drugs that are safer and more effective than conventional chemotherapy agents, the scientists suggest. The research is published in the 10 December issue of ACS' Nano Letters, a monthly journal…
Advance in the battle against 'grey mould'
— 18:40 GMT | BiologyScientists are reporting identification of the cluster of genes responsible for the toxins produced by 'grey mould,' a devastating plant disease that kills almost 200 different food and ornamental plants including tomatoes, strawberries and roses. Their findings could lead to genetically engineered crops or new fungicides to fight this disease, which frustrates backyard gardeners and commercial farmers alike, the researchers say. The study is in the current online issue issue of ACS Chemical Biology, a monthly journal…
High pesticide levels found in fruit-based drinks in some countries outside US
— 18:40 GMT | HealthIn the first worldwide study of pesticides in fruit-based soft drinks, researchers in Spain are reporting relatively high levels of pesticides in drinks in some countries, especially the United Kingdom and Spain. Drinks sampled from the United States, however, had relatively low levels, the researchers note. Their study is scheduled for the 15 December issue of ACS' Analytical Chemistry, a semi-monthly journal…
Goose eggs may help polar bears weather climate change
— 18:40 GMT | EnvironmentAs polar bears adapt to a warming Arctic - a frozen seascape that cleaves earlier each spring - they may find relief in an unlikely source: snow goose eggs. New calculations show that changes in the timing of sea-ice breakup and of snow goose nesting near the western Hudson Bay could provide at least some polar bears with an alternative source of food. This new analysis appears in Polar Biology…
New stretchable electrodes created to study stresses on cardiac cells
Gene's past could improve the future of rice