日期：2009-11-27 The history of the Milky Way（银河） is encoded in its oldest fragments, globular（球状的） clusters（蔟） and other systems of stars that have witnessed the entire evolution of our galaxy, says Francesco Ferraro, lead author of a paper appearing in... 阅读全文>>

日期：2009-11-27 The copper sequestering（隔绝，隔离） drug tetrathiomolybdate（钼酸盐） (TM) has been shown in studies to be effective in the treatment of Wilson disease, a disease caused by an overload of copper, and certain metastatic cancers（性肿瘤）. That much... 阅读全文>>

日期：2009-11-27 MRSA（耐甲氧西林金黄色葡萄球菌） (methicillin-resistant Staphylococcus Aureus) and other drug-resistant bacteria could face annihilation（歼灭，湮灭） as low-temperature plasma（等离子体） prototype devices have been developed to offer safe, quick,... 阅读全文>>

日期：2009-11-27 Intervals（间隔，间歇） of regional warmth and cold in the past are linked to the El Nio（厄尔尼诺） phenomenon and the so-called North Atlantic Oscillation（北大西洋振荡） in the Northern hemisphere's jet stream（急流，喷气流）, according to a team... 阅读全文>>

日期：2009-11-26 Fathers of the animal kingdom are not that different from our own beloved dads. Sure, human dads can play catch（做传球的游戏） and help with homework, but can they give birth? Daddy sea horses can! This Father's Day, while you're praising your fami... 阅读全文>>

日期：2009-11-24 Applied mathematicians（应用数学家） dissected the morphology（形态学） of the plantain lily（玉簪花） (Hosta lancifolia), a characteristic long leaf with a saddle-like arc（弧） midsection（中央部分，腹部） and closely packed ripples（涟漪，皱纹）... 阅读全文>>

日期：2009-11-24 New research adds to the growing body of evidence suggesting the Red Planet once had an ocean. In a new study, scientists from Northern Illinois University and the Lunar and Planetary Institute in Houston used an innovative computer program to produ... 阅读全文>>

日期：2009-11-24 A new species of chameleon（变色龙） has been discovered in Tanzania（坦桑尼亚） by a team of scientists. Dr Andrew Marshall, from the Environment Department at the University of York, first spotted the animal while surveying monkeys in the Magomber... 阅读全文>>

日期：2009-11-24 Like everybody, health care professionals enjoy a pay raise for a job well done. But in some instances, financial incentives（财务诱因） for health care performance may actually backfire（产生反效果）. A new UCLA study shows that patient-care perfor... 阅读全文>>

日期：2009-11-24 Alzheimer's disease is caused by the build-up of a brain peptide（肽） called amyloid（淀粉状肽）- beta. That's why eliminating the protein has been the focus of almost all drug research pursuing a cure for the devastating（破坏性的） neurodegenerat... 阅读全文>>

日期：2009-11-24 A novel approach to classify the gender of six-week-old turkey poults（小火鸡） could save millions of male chicks from being killed shortly after birth, according to Dr. Gerald Steiner from the Dresden University of Technology in Germany and his te... 阅读全文>>

日期：2009-11-23 Spot blood pressure readings in children with chronic（长期的，慢性的） kidney disease often fail to detect hypertension（高血压，过度紧张） even during doctor's office visits increasing a child's risk for serious heart problems, according to resear... 阅读全文>>

日期：2009-11-23 To design a lightweight anchor（铁锚） that can dig itself in to hold small underwater submersibles（能潜水的）, Anette (Peko) Hosoi of MIT borrowed techniques from one of nature's best diggers -- the razor clam（竹蛏）. The best anchoring technolog... 阅读全文>>

日期：2009-11-23 Understanding mixing in the ocean is of fundamental importance to modeling climate change or predicting the effects of an El Nio（厄尔尼诺海流） on our weather. Modern ocean models primarily incorporate the effects of winds and tides. However, they... 阅读全文>>

日期：2009-11-23 On the skin's surface, bacteria are abundant（丰富的，充裕的）, diverse（不同的，相异的） and constant（经常的，不变的）, but inflammation（发炎，红肿） is undesirable（不受欢迎的，不良的）. Research at the University of California, San Diego School... 阅读全文>>

日期：2009-11-23 Physician-scientists from Weill Cornell Medical College have discovered a molecular mechanism（分子机制） that may prove to be a powerful target for the treatment of non-Hodgkin's lymphoma（淋巴瘤）, a type of cancer that affects lymphocytes（淋巴细... 阅读全文>>

日期：2009-11-20 A nutritionist（营养学家） in Nigeria says that malnutrition（营养不良） and iron deficiency in schoolchildren（小学生，学童） could be reduced in her country by baking up snail pie. In a research paper to be published in the International Journal o... 阅读全文>>

日期：2009-11-20 Since the discovery in 2007 that a component（组件，成分） of human semen（精液） called SEVI boosts infectivity（传染性） of the virus that causes AIDS, researchers have been trying to learn more about SEVI and how it works, in hopes of thwarting（... 阅读全文>>

日期：2009-11-20 In recent years, scientists have decoded the DNA of humans and a menagerie（兽群，动物园） of creatures but none with genes as complex as a stalk（茎） of corn, the latest genome to be unraveled（解释，解开）. A team of scientists led by The Genome... 阅读全文>>

日期：2009-11-20 Cigarettes are widely contaminated（污染） with bacteria（细菌）, including some known to cause disease in people, concludes a new international study conducted by a University of Maryland environmental health researcher and microbial（微生物的） ec... 阅读全文>>