日期：2012-11-13 Tumor cells circulating in a patient's bloodstream can yield a great deal of information on how a tumor is responding to treatment and what drugs might be more effective against it. But first, these rare cells have to be captured and isolated from t... 阅读全文>>

日期：2012-11-12 Astronomers have discovered a new super-Earth in the habitable zone, where liquid water and a stable atmosphere could reside, around the nearby star HD 40307. It is one of three new super-Earths found around the star that has three other low-mass pl... 阅读全文>>

日期：2012-11-12 An international group of scientists has identified three genetic regions that predispose（使偏向于） Asian women who have never smoked to lung cancer. The finding provides further evidence that risk of lung cancer among never-smokers, especially As... 阅读全文>>

日期：2012-11-12 Peanut allergies are rising among American children and one reason might be due to economic status. According to a new study presented at the American College of Allergy, Asthma and Immunology (ACAAI) Annual Scientific Meeting, greater rates of pean... 阅读全文>>

日期：2012-11-12 Flowers don't just catch our eyes, they catch those of pollinators（传粉者） like bees as well. They have to, in order to reproduce. Because plants need to maximize the opportunity for pollinators to gain access to their seeds, variations in the tim... 阅读全文>>

日期：2012-11-12 The impact of climate change on many aspects of cultural life for people all over the world is not being sufficiently accounted for by scientists and policy-makers. University of Exeter-led research by an international team, published on 11th Novemb... 阅读全文>>

日期：2012-11-08 Clownfish produce sounds to establish and defend their breeding status in social groups, but not to attract mates, according to research published November 7 in the open access journal PLOS ONE by Orphal Colleye and colleagues from the University of... 阅读全文>>

日期：2012-11-08 Climate scientists cannot attribute any single weather event -- whether a drought, wildfire or extreme storm -- to climate change. But extreme events, such as Hurricane Sandy, are glimpses of the types of occurrences the world could be more vulnerab... 阅读全文>>

日期：2012-11-08 Loyola University Medical Center is among the centers participating in a landmark study that could lead to fewer inappropriate shocks from implanted defibrillators（电震发生器） . Implanted defibrillators save lives by shocking hearts back into a no... 阅读全文>>

日期：2012-11-08 A study conducted by scientists at the Royal Botanic Gardens, Kew (UK), in collaboration with scientists in Ethiopia, reports that climate change alone could lead to the extinction of wild Arabica coffee (Coffea arabica) well before the end of this... 阅读全文>>

日期：2012-11-08 Even empty gaps have a colour. Now scientists have shown that quantum jumps of electrons can change the colour of gaps between nano-sized balls of gold. The new results, published today in the journal Nature, set a fundamental quantum limit on how t... 阅读全文>>

日期：2012-11-08 Colon cancer survivors whose diet is heavy in complex sugars and carbohydrate-rich foods are far more likely to have a recurrence of the disease than are patients who eat a better balance of foods, a new study by Dana-Farber Cancer Institute researc... 阅读全文>>

日期：2012-11-08 A South American butterfly flapped its wings, and caused a flurry of nanotechnology research to happen in Ohio. Researchers in Ohio have taken a new look at butterfly wings and rice leaves, and learned things about their microscopic texture that cou... 阅读全文>>

日期：2012-11-08 On the south coast of South Africa, scientists have found evidence for an advanced stone age technology dated to 71,000 years ago at Pinnacle Point near Mossel Bay. This technology, allowing projectiles（落弹数） to be thrown at greater distance and... 阅读全文>>

日期：2012-11-07 A Northwestern University research team has found a way to manufacture single laser devices that are the size of a virus particle and that operate at room temperature. These plasmonic nanolasers could be readily integrated into silicon-based photoni... 阅读全文>>

日期：2012-11-07 Adults 18-24 years old with high blood pressure were 28 percent less likely to be diagnosed during doctor visits than those 60 and older, according to findings presented at the American Heart Association's Scientific Sessions 2012. These young patie... 阅读全文>>

日期：2012-11-07 If you have optimal（最佳的） heart health in middle age, you may live up to 14 years longer, free of cardiovascular disease, than your peers who have two or more cardiovascular disease (CVD) risk factors, according to a new Northwestern Medicine st... 阅读全文>>

日期：2012-11-07 Travel broadens the mind goes the old adage（格言） , and potential employers often agree, valuing the open-mindedness and creativity fostered by such worldliness. But according to new Tel Aviv University research, not all international experiences... 阅读全文>>

日期：2012-11-07 For many people with high cholesterol（胆固醇） , statins（他汀类药物） serve as the first line of treatment. However, some patients are unable to effectively reduce their low-density lipoprotein cholesterol (LDL cholesterol) or bad cholesterol leve... 阅读全文>>

日期：2012-11-07 If you look old, your heart may feel old, according to research presented at the American Heart Association's Scientific Sessions 2012. In a new study, those who had three to four aging signs -- receding（后退，减弱） hairline at the temples（鬓角）... 阅读全文>>