日期：2014-09-29 Environmental scientists are being urged to broaden the advice they give on global climate change, say experts who are also frustrated that decision makers are not taking enough action. Writing in the journal Nature Climate Change, The University of... 阅读全文>>

日期：2014-09-29 The analysis of artifacts from a 325,000-year-old site in Armenia shows that human technological innovation occurred intermittently throughout the Old World, rather than spreading from a single point of origin, as previously thought. The study, publ... 阅读全文>>

日期：2014-09-28 Patients with chronic obstructive pulmonary disease (COPD) report improved symptoms and health status when they use a hand-held respiratory device called the Lung Flute, according to a new study by the University at Buffalo. Usually caused by smokin... 阅读全文>>

日期：2014-09-28 A bright orange poison dart frog with a unique call was discovered in Donoso, Panama, and described by researchers from the Smithsonian Tropical Research Institute and the Universidad Autnoma de Chiriqu in Panama, and the Universidad de los Andes in... 阅读全文>>

日期：2014-09-28 A synthetic derivative of vitamin D was found by Salk Institute researchers to collapse the barrier of cells shielding pancreatic tumors, making this seemingly impenetrable cancer much more susceptible to therapeutic drugs. The discovery has led to... 阅读全文>>

日期：2014-09-28 While antidepressants are the most commonly used treatment for social anxiety disorder, new research suggests that cognitive behavioral therapy (CBT) is more effective and, unlike medication, can have lasting effects long after treatment has stopped... 阅读全文>>

日期：2014-09-28 A joint NOAA/NASA satellite is one of several satellites providing valuable information to aviators about volcanic hazards. An aviation orange alert was posted on August 18, 2014, for Brarbunga, a stratovolcano located under the Vatnajkull glacier i... 阅读全文>>

日期：2014-09-28 Earth's atmosphere is a complicated dance of molecules. The chemical output of plants, animals and human industry rise into the air and pair off in sequences of chemical reactions. Such processes help maintain the atmosphere's chemical balance; for... 阅读全文>>

日期：2014-09-28 Water was crucial to the rise of life on Earth and is also important to evaluating the possibility of life on other planets. Identifying the original source of Earth's water is key to understanding how life-fostering environments come into being and... 阅读全文>>

日期：2014-09-26 All bird migrations are fraught with danger -- from the risk of not finding enough food, to facing stormy weather, and most importantly -- trying not to be eaten along the way. Raptors such as peregrine falcons are the main predators of migratory bi... 阅读全文>>

日期：2014-09-26 A Virginia Tech geobiologist with collaborators from the Chinese Academy of Sciences have found evidence in the fossil record that complex multicellularity appeared in living things about 600 million years ago -- nearly 60 million years before skele... 阅读全文>>

日期：2014-09-26 Skin color displayed amongst one species of monkey provides a key indicator of how successfully they will breed, a new study has shown. The collaborative international research also shows that skin coloration in male and female rhesus macaques is an... 阅读全文>>

日期：2014-09-26 Public support for effective road safety laws, already solid, can be strengthened by a single number: a statistic that quantifies the traffic-related injury risks associated with a given law, according to a new study from the Johns Hopkins Center fo... 阅读全文>>

日期：2014-09-26 Ovarian cancer is the most deadly gynecological cancer, claiming the lives of more than 50% of women who are diagnosed with the disease. A study involving Ottawa and Taiwan researchers, published in the journal Proceedings of the National Academy of... 阅读全文>>

日期：2014-09-26 Land-ice decay at the end of the last five ice-ages caused global sea-levels to rise at rates of up to 5.5 metres per century, according to a new study. An international team of researchers developed a 500,000-year record of sea-level variability, t... 阅读全文>>

日期：2014-09-25 Indian scientists are significantly more religious than United Kingdom scientists, according to the first cross-national study of religion and spirituality among scientists. The U.K. and India results from Religion Among Scientists in International... 阅读全文>>

日期：2014-09-25 A small study suggests snakes may have developed courtship and male-to-male combat behavior, such as moving undulations, neck biting, and spur-poking, over time, according to a study published September 24, 2014 in the open-access journal PLOS ONE b... 阅读全文>>

日期：2014-09-25 Concerns that fluids from hydraulic fracturing, or fracking, are contaminating drinking water abound. Now, scientists are bringing to light another angle that adds to the controversy. A new study, appearing in the ACS journal Environmental Science T... 阅读全文>>

日期：2014-09-25 Although membership in a gang often is depicted as a lifelong commitment, the typical gang member joins at age 13 and only stays active for about two years, according to a study at Sam Houston State University. Gang membership is not a fixed identit... 阅读全文>>

日期：2014-09-25 Abundant supplies of natural gas will do little to reduce harmful U.S. emissions causing climate change, according to researchers at UC Irvine, Stanford University, and the nonprofit organization Near Zero. They found that inexpensive gas boosts ele... 阅读全文>>