日期:2011-11-30 A University of Adelaide scientist says much more could be done to predict the likelihood(可能性) and spread of serious disease -- such as tuberculosis (TB) or foot-and-mouth disease -- in Australian wildlife and commercial stock. Professor Corey... 阅读全文>> 日期:2011-11-30 The astrophysicist(天体物理学家) Stephen Hawking believes that if humanity is to survive we will have to up sticks and colonise space. But is the human body up to the challenge? Scientists at The University of Nottingham believe that Caenorhabditi... 阅读全文>> 日期:2011-11-29 A low-calorie diet eliminates insulin(胰岛素) dependence and leads to improved heart function in obese patients with type 2 diabetes, according to a study presented November 28 at the annual meeting of the Radiological Society of North America (RS... 阅读全文>> 日期:2011-11-29 Creative people are more likely to cheat than less creative people, possibly because this talent increases their ability to rationalize their actions, according to research published by the American Psychological Association. Greater creativity help... 阅读全文>> 日期:2011-11-29 Using computed tomography (CT) imaging and advanced manufacturing techniques, a team of experts has created a reproduction of a 1704 Stradivarius(弦乐器) violin. Three-dimensional images of the valuable violin and details on how the replica was ma... 阅读全文>> 日期:2011-11-29 A second, larger clinical research study led by breast cancer specialists at Princess Margaret Hospital (PMH) has again proven that comparing a new biopsy(活组织检查) of progressing or recurring cancer with that of the original cancer can dictate... 阅读全文>> 日期:2011-11-27 Against the backdrop of the growing epidemic of obesity in the United States, scientists from the Florida campus of The Scripps Research Institute have made an important new discovery regarding a specific gene that plays an important role in keeping... 阅读全文>> 日期:2011-11-25 A health supplement used by bodybuilders could be the key to treating a life-threatening muscular dystrophy(肌肉萎缩症) affecting hundreds of Australian children, new research shows. The amino acid L-tyrosine had a rapid and dramatic impact on Nem... 阅读全文>> 日期:2011-11-25 NYU Langone Medical Center researchers have discovered the novel protective role dendritic cells(树突细胞) play in the pancreas(胰腺) . The new study, published in the November issue of journal Gastroenterology, shows dendritic cells can safegua... 阅读全文>> 日期:2011-11-25 Ecological tourism has no effect on the presence of large mammals in the Amazon, according to a study that for the first time compares the biological diversity of ecotourism(生态旅游) zones with that of protected areas. Furthermore, it can help to... 阅读全文>> 日期:2011-11-25 Researchers at the University of Illinois at Chicago College of Medicine describe for the first time a key target of DNA damage checkpoint enzymes that must be chemically modified to enable stable maintenance of chromosome ends by telomerase(端粒酶... 阅读全文>> 日期:2011-11-25 Guppies in the wild have evolved over at least half-a-million years -- long enough for the males' coloration(着色) to have changed dramatically. Yet a characteristic orange patch on male guppies has remained remarkably stable, though it could have... 阅读全文>> 日期:2011-11-25 A combination of two drugs may alleviate(减轻,缓和) radiation sickness in people who have been exposed to high levels of radiation, even when the therapy is given a day after the exposure occurred, according to a study led by scientists from Dana... 阅读全文>> 日期:2011-11-25 Much of our knowledge about past life has come from the fossil record -- but how accurately does that reflect the true history and drivers of biodiversity on Earth? It's a question that goes back a long way to the time of Darwin, who looked at the f... 阅读全文>> 日期:2011-11-24 Purdue University researchers have discovered a fine-tuning mechanism involved in plant root growth that has them questioning whether a popular herbicide may have unintended consequences, causing some plants to need more water or nutrients. Angus Mu... 阅读全文>> 日期:2011-11-24 A research team led by UT Southwestern Medical Center scientists has identified an atypical(非典型的) metabolic pathway unique to some tumors, possibly providing a future target for drugs that could reduce or halt the spread of cancer. Dr. Ralph D... 阅读全文>> 日期:2011-11-24 They say time heals all wounds, and new research from the University of California, Berkeley, indicates that time spent in dream sleep can help us overcome painful ordeals(折磨) . UC Berkeley researchers have found that during the dream phase of s... 阅读全文>> 日期:2011-11-24 Researchers at Sweden's KTH Royal Institute of Technology say they have found further proof that the wolf ancestors of today's domesticated dogs can be traced to southern East Asia -- findings that run counter to theories placing the cradle(摇篮,... 阅读全文>> 日期:2011-11-23 The latest invader of the Great Lakes -- Hemimysis anomala, or more commonly the bloody red shrimp after its bright red spots -- may become a new food source for fish, allaying concerns about how it will impact native fish populations. Forecasting h... 阅读全文>> 日期:2011-11-23 Would legal regulation and control of drugs better protect children? is a question posed by former President of Brazil, Fernando Henrique Cardoso in an editorial to be published in the January issue of Elsevier's International Journal of Drug Policy... 阅读全文>> |
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