日期：2010-10-14 Before Alzheimer's patients experience memory loss, the brain's neurons（神经原，神经细胞） have already suffered harm for years. A new study in mouse models by researchers at Columbia University Medical Center has found that the brain's mitochondri... 阅读全文>>

日期：2010-10-14 11 influenza flu season, scientists and engineers have identified the environmental conditions and surfaces that could enable a highly pathogenic（致病的，病原的） (H5N1) bird flu virus to survive for prolonged periods of time at least two weeks and... 阅读全文>>

日期：2010-10-14 With almost one billion people lacking access to clean, safe drinking water, scientists are reporting development and successful initial tests（初始测试） of an inexpensive new filtering technology that kills up to 98 percent of disease-causing bact... 阅读全文>>

日期：2010-10-14 A team led by a scientist at the University of Pittsburgh School of Medicine has discovered a regulatory protein that influences where genetic material gets swapped（交换，交易） between maternal and paternal chromosomes（染色体） during the process... 阅读全文>>

日期：2010-10-14 The first galaxies formed before the Universe was less than one billion years old and were much smaller than the giant systems including the Milky Way that we see today. So somehow the average galaxy size has increased as the Universe has evolved. G... 阅读全文>>

日期：2010-10-14 Rice University research that capitalizes on（利用） the wide-ranging capabilities of graphene（石墨烯） could lead to circuit applications that are far more compact and versatile（通用的，万能的） than what is now feasible with silicon-based techno... 阅读全文>>

日期：2010-10-14 No matter how you slice it, watermelon has a lot going for it sweet, low calorie, high fiber, nutrient rich and now, there's more. Evidence from a pilot study（初步研究） led by food scientists at The Florida State University suggests that watermelo... 阅读全文>>

日期：2010-10-14 Nutrition rating systems and symbols on the fronts of food packaging would be most useful to shoppers if they highlighted four nutrients of greatest concern calories, saturated fat（饱和脂肪） , trans fat, and sodium says a new report from the Insti... 阅读全文>>

日期：2010-10-13 Still hampered by workforce（劳动力） shortages and barriers that impede（阻止，妨碍） their ranks from delivering health care to the full extent of their education and training, nurses may have gotten the much-needed shot in the arm they need to tr... 阅读全文>>

日期：2010-10-13 People's brains are more responsive to friends than to strangers, even if the stranger has more in common, according to a study in the Oct. 13 issue of The Journal of Neuroscience. Researchers examined a brain region known to be involved in processi... 阅读全文>>

日期：2010-10-13 Having a family history of breast cancer can lead some women to wonder if the risk is out of their control. However, a study of more than 85,000 postmenopausal（绝经后的） women, published in BioMed Central's open access journal Breast Cancer Resear... 阅读全文>>

日期：2010-10-11 In a study presented at the 35th Congress of the European Society for Medical Oncology（肿瘤学） (ESMO), Dr Giovanni Bernardo from Fondazione Maugeri in Pavia, Italy, presented results that suggested it may be possible to identify subsets（子集合）... 阅读全文>>

日期：2010-10-11 Help may be on the way for millions of people on the East Coast bugged out about the invasion of stink bugs（椿象） . Scientists have reported a key advance in efforts to develop the first commercial repellent（防护剂） for stinkbugs, which are emer... 阅读全文>>

日期：2010-10-11 Scientists from The Scripps Research Institute have uncovered new evidence that challenges the current theory about a process key to the way modern drugs are designed and how they work in the human body. The new study was published October 10, 2010... 阅读全文>>

日期：2010-10-11 The soils in large areas of the Southern Hemisphere, including major portions of Australia, Africa and South America, have been drying up in the past decade, a group of researchers conclude in the first major study to ever examine evapotranspiration... 阅读全文>>

日期：2010-10-07 Barred for up to ten years from receiving research grants（研究基金） from the Swedish Research Council. There will be serious consequences for the few researchers who are guilty of plagiarism（剽窃） , falsification（伪造，歪曲） , or inventing res... 阅读全文>>

日期：2010-10-07 In a study that sheds new light on the causes of Parkinson's disease, researchers report that brain cells in Parkinson's patients abandon their energy-producing machinery, the mitochondria（线粒体） . A shutdown in fuel can have devastating effects... 阅读全文>>

日期：2010-10-07 Thousands of infants each year have exposure to opioids（阿片类药物） before they are born. Over half of these infants are born with withdrawal symptoms severe enough to require opioid replacement treatment in the nursery. Such treatment is associat... 阅读全文>>

日期：2010-10-07 Scientists have discovered a mechanism which raises blood pressure in pre-eclampsia（子痫前期） , a potentially deadly condition which occurs during pregnancy. After 20 years of research, scientists from the University of Cambridge have now cracked... 阅读全文>>

日期：2010-10-07 The trauma from hard combat can devastate（毁坏） veterans（退伍军人，老兵） until old age, even as it influences others to be wiser, gentler and more accepting in their twilight years, a new University of Florida study finds. The findings are omino... 阅读全文>>