日期：2011-07-12 Pets can serve as important sources of social and emotional support for everyday people, not just individuals facing significant health challenges, according to research published by the American Psychological Association. And, the study found, pet... 阅读全文>>

日期：2011-07-12 Scientists from British Antarctic Survey (BAS) have discovered previously unknown volcanoes in the ocean waters around the remote South Sandwich Islands. Using ship-borne sea-floor mapping technology during research cruises（游艇） onboard the RRS J... 阅读全文>>

日期：2011-07-12 Missing or deformed（畸形的，残缺的） limbs, clubfoot（畸形足） , facial disorders and gastrointestinal（胃肠的） problems are some of the most common birth defects found to be associated with smoking during pregnancy, according to a major new repor... 阅读全文>>

日期：2011-07-12 By honing in on the mysterious potato genome and its tuber（块茎） its edible（可食用的） portion researchers are unveiling the secrets of the world's most-important nongrain food crop. Robin Buell, Michigan State University plant biologist, is part... 阅读全文>>

日期：2011-07-11 How deep is the ocean's capacity to buffer（缓冲） against climate change? As one of the planet's largest single carbon absorbers, the ocean takes up roughly one-third of all human carbon emissions, reducing atmospheric carbon dioxide and its associ... 阅读全文>>

日期：2011-07-11 For patients suffering from epidermolysis bullosa ( EB大疱性表皮松解症 ), a hereditary（遗传的） skin disease, even a gentle touch is extremely painful. Now Dr. Li-Yang Chiang, Dr. Kate Poole and Professor Gary R. Lewin of the Max Delbrck Center for... 阅读全文>>

日期：2011-07-11 An estimated two billion people in the developing world heat and cook with a biomass（生物质） fuel such as wood, but the practice exposes people especially women to large doses of small-particle air pollution, which can cause premature death and lu... 阅读全文>>

日期：2011-07-11 An international team of scientists has discovered that the female ancestor of all living polar bears was a brown bear that lived in the vicinity of（在附近） present-day Britain and Ireland just prior to the peak of the last ice age -- 20,000 to 50... 阅读全文>>

日期：2011-07-11 Arthroscopic（关节镜的） treatment of a common hip problem that leads to arthritis is successful in terms of restoring range of motion, according to results from a recent Hospital for Special Surgery study. The study will be presented at the annual... 阅读全文>>

日期：2011-07-10 Oh, the challenges of being a neuron, responsible for essential things like muscle contraction, gland secretion（分泌物） and sensitivity to touch, sound and light, yet constantly bombarded with signals from here, there and everywhere. How on earth... 阅读全文>>

日期：2011-07-10 As any student who's had to study for multiple exams can tell you, trying to learn two different sets of facts one after another is challenging. As you study for the physics exam, almost inevitably some of the information for the history exam is for... 阅读全文>>

日期：2011-07-10 The onset of osteoarthritis（骨关节炎） may be related to a loss of knee motion after reconstructive ACL surgery, as noted in new research presented at the American Orthopaedic Society for Sports Medicine's Annual Meeting in San Diego, California, J... 阅读全文>>

日期：2011-07-10 Advances in research into Alzheimer's disease: transporter proteins at the blood CSF barrier and vitamin D may help prevent amyloid（淀粉体） build up in the brain Advancing age is a major risk factor for Alzheimer's disease and is associated with b... 阅读全文>>

日期：2011-07-07 Spring is hailed as the season of rebirth, but if it comes too early, it can threaten the plants it is meant to welcome. A University of Alberta study shows that climate change over the past 70 years has pushed some of the province's native wildflow... 阅读全文>>

日期：2011-07-07 A new animal study from Europe has drawn an association between pregnant mothers' sodium（钠） intake and their newborn's kidney development. Among the most significant aspects of the study's findings is that either too much or too little salt durin... 阅读全文>>

日期：2011-07-07 Once broken, a compact fluorescent light（荧光灯） bulb continuously releases mercury vapor（汞蒸气） into the air for weeks to months, and the total amount can exceed safe human exposure levels in a poorly ventilated（通风的） room, according to st... 阅读全文>>

日期：2011-07-07 An automatic and portable detector that takes just fifteen minutes to analyze a sample suspected of contamination（污染） with anthrax（炭疽） is being developed by US researchers. The technology amplifies any anthrax DNA present in the sample and c... 阅读全文>>

日期：2011-07-06 Celecoxib（塞来昔布） may emerge as a potent chemopreventive agent for lung cancer, according to a recent study in Cancer Prevention Research, a journal of the American Association for Cancer Research. Researchers tested celecoxib, a COX-2 inhibitor... 阅读全文>>

日期：2011-07-06 Long-term exposure to air pollution can lead to physical changes in the brain, as well as learning and memory problems and even depression, new research in mice suggests. While other studies have shown the damaging effects of polluted air on the hea... 阅读全文>>

日期：2011-07-06 A big part of coping with life is having a flexible reaction to the ups and downs. Now, a study which will be published in an upcoming issue of Psychological Science, a journal of the Association for Psychological Science, finds that people choose t... 阅读全文>>