日期:2010-08-26 Functioning much like gears in a machine, cellular motor proteins are critical to dynamic(动态的,动力的) functions throughout the body, including muscle contraction, cell migration and cellular growth processes. Now, neuroscientists from UC Irvin... 阅读全文>>

日期:2010-08-26 The Wildlife Conservation Society (WCS) and the Zoological(动物学的) Society of London (ZSL) are requesting that the Government of Tanzania reconsider the proposed construction of a commercial road through the world's best known wildlife sanctuary... 阅读全文>>

日期:2010-08-26 Astronomers believe they have discovered the origin of our universe's first super-massive black holes, which formed some 13 billion years ago. The discovery fills in a missing chapter of our universe's early history, and could help write the next ch... 阅读全文>>

日期:2010-08-26 A new study from researchers in Canada and Sweden has shown that biosynthetic(生物合成的) corneas(角膜) can help regenerate and repair damaged eye tissue and improve vision in humans. The results, from an early phase clinical trial with 10 patie... 阅读全文>>

日期:2010-08-24 Researchers at Johns Hopkins have shown that using specific drugs can protect nerve cells in mice from the lethal(致命的) effects of Parkinson's disease. The researchers' findings are published in the August 22 issue of Nature Medicine. The newly... 阅读全文>>

日期:2010-08-24 Chemotherapy(化学疗法) , while an effective cancer treatment, also brings debilitating(使衰弱的) side effects such as nausea(恶心,晕船) , liver toxicity and a battered(破旧的) immune system. Now, a new way to deliver this life-saving therap... 阅读全文>>

日期:2010-08-24 Nanoscale simulations(模拟,仿真) and theoretical research performed at the Department of Energy's Oak Ridge National Laboratory are bringing scientists closer to realizing graphene(石墨烯,单层石墨) 's potential in electronic applications. A re... 阅读全文>>

日期:2010-08-24 Some of the nation's most historic buildings and monuments may be better protected from decay(衰退,腐烂) in future, following a development by engineers. Researchers at the University of Edinburgh have devised a method of forecasting damage cause... 阅读全文>>

日期:2010-08-20 Yale researchers have discovered how a novel anti- depressant(镇静剂) can take effect in hours, rather than the weeks or months usually required for most drugs currently on the market. The findings, described in the August 20 issue of the journal... 阅读全文>>

日期:2010-08-20 A recent study by researchers at Penn State College of Medicine found significant racial disparities(不同,不一致) in the age of systemic lupus(狼疮,天狼星) erythematosus(全身性红斑狼疮) (SLE) patients at the time of hospital admission for ca... 阅读全文>>

日期:2010-08-20 A recent study by researchers at Penn State College of Medicine found significant racial disparities(不同,不一致) in the age of systemic lupus(狼疮,天狼星) erythematosus(全身性红斑狼疮) (SLE) patients at the time of hospital admission for ca... 阅读全文>>

日期:2010-08-20 The first successful report of using cell-depleted lung as a natural growth matrix(矩阵,模型) for generating new rat lung from embryonic stem cells is presented in a breakthrough article in Tissue Engineering, Part A, a peer-reviewed journal publ... 阅读全文>>

日期:2010-08-20 The widening of the Panama Canal currently underway has created a rare opportunity to study the insects that inhabit the plants of environmentally sensitive Central American rain forest habitats. Dr. Amy Berkov, Professor of Biology at The City Coll... 阅读全文>>

日期:2010-08-20 A University of Illinois metabolic(变化的,新陈代谢的) engineer has taken the first step toward the more efficient and economical production of biofuels by developing a strain of yeast(酵母,泡沫) with increased alcohol tolerance. Biofuels are p... 阅读全文>>

日期:2010-08-20 Normal matter like that found in stars, planets and dust clouds only makes up a tiny fraction(分数,部分) of the massenergy content of the Universe. It is dwarfed(变矮小) by the amount of dark matter which is invisible, but can be detected by it... 阅读全文>>

日期:2010-08-19 A combination of Chinese herbs(药草) in use for more than 1,800 years reduced the gastrointestinal(胃肠的) side effects of chemotherapy(化学疗法) in mice, while actually enhancing the effects of the cancer treatment, Yale University researcher... 阅读全文>>

日期:2010-08-19 Following up a pioneering 2007 proof-of-concept study, a University of Utah biochemist(生物化学家) and colleagues have developed a promising new anti-HIV drug candidate, PIE12-trimer, that prevents HIV from attacking human cells. Michael S. Kay, M... 阅读全文>>

日期:2010-08-19 For more than a century, clinical investigators have focused on early life as a source of adult psychopathology(精神病理学) . Although the hypothesized(假定,假设) mechanisms have evolved, a central notion remains: early life is a period of uniq... 阅读全文>>

日期:2010-08-19 Mayo Clinic researchers found that healthy young people who put on as little as 9 pounds of fat, specifically in the abdomen(腹部) , are at risk for developing endothelial cell(内皮细胞) dysfunction(功能紊乱,机能障碍 ) . Endothelial cells lin... 阅读全文>>

日期:2010-08-19 Overweight American children and adolescents have become fatter over the last decade, according to researchers at the Johns Hopkins Bloomberg School of Public Health and National Institute on Aging (NIA). They examined adiposity(肥胖) shifts acros... 阅读全文>>

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