日期：2011-02-18 A unique strategy developed by researchers at Cardiff University is opening up new possibilities for improving medical imaging. Medical imaging often requires getting unnatural materials such as metal ions into cells, a process which is a major chal... 阅读全文>>

日期：2011-02-18 More than 50 years after the invention of the laser, scientists at Yale University have built the world's first anti-laser, in which incoming beams of light interfere with one another in such a way as to perfectly cancel each other out. The discover... 阅读全文>>

日期：2011-02-18 An article in the current issue of Global Change Biology Bioenergy（生物能） reviews the suitability of Agave（龙舌兰） as a bioenergy feedstock that can sustain high productivity in spite of poor soil and stressful climatic conditions accompanying... 阅读全文>>

日期：2011-02-18 Let algae（海藻） do the dirty work. Researchers at Rochester Institute of Technology are developing biodiesel（生物柴油） from microalgae grown in wastewater. The project is doubly green because algae consume nitrates and phosphates and reduce bact... 阅读全文>>

日期：2011-02-18 Your emotional response to challenging situations could predict how your body responds to stress, according to research published this month in the journal Brain, Behavior, and Immunity. People who reported high levels of anger and anxiety after per... 阅读全文>>

日期：2011-02-18 When a team of scientists drilling near an Icelandic volcano hit magma（岩浆） in 2009, they had to abandon their planned experiments on geothermal（地热的） energy. But the mishap（灾祸，晦气） could point the way to an alternative source of geothe... 阅读全文>>

日期：2011-02-18 A rinsing（清水，残渣） technique with betadine that costs just a little over one dollar per patient may significantly reduce the infection rate following total knee and hip joint replacement surgery according to a study by researchers at Rush Unive... 阅读全文>>

日期：2011-02-17 One in five homeless people with tuberculosis（肺结核） die within a year of their diagnosis, according to a study led by St. Michael's Hospital's Dr. Kamran Khan. And that number remains unchanged over the last decade despite recommendations callin... 阅读全文>>

日期：2011-02-17 When doctors discover high concentrations of regulatory T cells in the tumors of breast cancer patients, the prognosis is often grim（冷酷的，糟糕的） , though why exactly has long been unclear. Now new research at the University of California, San... 阅读全文>>

日期：2011-02-17 Researchers from Mount Sinai School of Medicine have discovered a novel function of brain insulin, indicating that impaired（受损的） brain insulin action may be the cause of the unrestrained lipolysis（脂类分解） that initiates and worsens type 2 d... 阅读全文>>

日期：2011-02-17 Up to two-thirds of Earth's permafrost（永久冻土） likely will disappear by 2200 as a result of warming temperatures, unleashing vast quantities of carbon into the atmosphere, says a new study by the University of Colorado Boulder's Cooperative Inst... 阅读全文>>

日期：2011-02-16 Peer support offers promise as an effective, low-cost tool for fighting depression, a new study by the VA Ann Arbor Healthcare System and University of Michigan Health System finds. Programs in which patients and volunteers share information were fo... 阅读全文>>

日期：2011-02-16 Zinc supplements reduce the severity and duration of illness caused by the common cold, according to a systematic review published in The Cochrane Library. The findings could help reduce the amount of time lost from work and school due to colds. The... 阅读全文>>

日期：2011-02-16 Australia is getting hit with two tropical fists as NASA satellites watch two low pressure areas develop near the Northern Territory and Western Australia. System 99S is currently strengthening near Darwin, Australia and another low pressure area ca... 阅读全文>>

日期：2011-02-15 Researchers from Cleveland Clinic's Lerner Research Institute have discovered that resveratrol（白藜芦醇） a compound found in red wine when combined with rapamycin（雷帕霉素） can have a tumor-suppressing effect on breast cancer cells that are resi... 阅读全文>>

日期：2011-02-15 Scientists aboard the Royal Research Ship James Cook have discovered a new set of deep-sea volcanic vents（火山口） in the chilly waters of the Southern Ocean. The discovery is the fourth made by the research team in three years, which suggests that... 阅读全文>>

日期：2011-02-15 Consumers often have a distorted（歪曲的） view when they compare information that involves numbers, according to a new study in the Journal of Consumer Research. As a consumer, would your preference for a dishwasher depend on whether its warranty l... 阅读全文>>

日期：2011-02-15 The human body is made up of several organs composed of tissues that enable them to perform a particular function. The heart circulates（传播，循环） blood; the brain is the micro-neuro center of the body; the lungs bring in oxygen and release carbo... 阅读全文>>

日期：2011-02-15 Two artificial big toes one found attached to the foot of an ancient Egyptian mummy may have been the world's earliest functional prosthetic（假体的） body parts, says the scientist who tested replicas on volunteers. University of Manchester researc... 阅读全文>>

日期：2011-02-13 The NASA National Polar-orbiting Operational Environmental Satellite System (NPOESS) Preparatory Project (NPP) climate/weather satellite is undergoing flight environmental testing at Ball Aerospace Technologies Corp's production and test facility in... 阅读全文>>