日期：2013-05-31 Sleep consolidates（巩固，联合） emotional memories in healthy children but not in children with attention-deficit hyperactivity disorder (ADHD), according to research published May 29 in the open access journal PLOS ONE by Alexander Prehn-Kristense... 阅读全文>>

日期：2013-05-31 Leading world climate change experts have thrown cold water on the idea that planting trees can offset carbon dioxide emissions from fossil fuels. Professor Brendan Mackey of Griffith University Climate Change Response Program is the lead author of... 阅读全文>>

日期：2013-05-31 Salmon and other native freshwater fish in California will likely become extinct within the next century due to climate change if current trends continue, ceding their habitats to non-native fish, predicts a study by scientists from the Center for W... 阅读全文>>

日期：2013-05-29 A new study, published 28 May in the open access journal PLOS Biology, has revealed the potential importance of rare species in the functioning of highly diverse ecosystems. Using data from three very different ecosystems -- coral reefs, tropical fo... 阅读全文>>

日期：2013-05-29 Lawrence Livermore scientists have discovered and demonstrated a new technique to remove and store atmospheric carbon dioxide while generating carbon-negative hydrogen and producing alkalinity（碱性） , which can be used to offset ocean acidificatio... 阅读全文>>

日期：2013-05-29 A robot in Cornell's Personal Robotics Lab has learned to foresee human action in order to step in and offer a helping hand, or more accurately, roll in and offer a helping claw. Understanding when and where to pour a beer or knowing when to offer a... 阅读全文>>

日期：2013-05-29 Quantum communication systems offer the promise of virtually unbreakable encryption（加密） . Unlike classical encryption, which is used to send secure data over networks today and whose security depends on the difficulty of solving mathematical pro... 阅读全文>>

日期：2013-05-29 To better understand how bacteria impact the environment a former University of California, Riverside graduate student spent nearly a year building a system that replicates a human colon, septic tank（化粪池） and groundwater and fed the colon three... 阅读全文>>

日期：2013-05-29 A new butterfly species from Texas, given the common name Vicroy's Ministreak, was discovered because of its striking olive green eye color, and was given a formal scientific name (Ministrymon janevicroy). This beautiful new butterfly may be the las... 阅读全文>>

日期：2013-05-29 Among men with prostate cancer, African Americans experience longer treatment delays after being diagnosed than Caucasians. That is the finding of an analysis published early online in Cancer, a peer-reviewed journal of the American Cancer Society.... 阅读全文>>

日期：2013-05-29 Follow this advice before you hit the road: test strips, lancets（小刀） , ketone（酮） strips, and other supplies so there's no chance of losing them. Consider bringing extra supplies in your checked luggage. Make sure all medications bear the orig... 阅读全文>>

日期：2013-05-29 A summary of the physical and chemical nature of life must begin, not on the Earth, but in the Sun; in fact, at the Sun's very center. It is here that is to be found the source of the energy that the Sun constantly pours out into space as light and... 阅读全文>>

日期：2013-05-28 Adventitious changes in cellular DNA can endanger the whole organism, as they may lead to life-threatening illnesses like cancer. Researchers at Ludwig-Maximilians-Universitaet (LMU) in Munich now report how byproducts of respiration（呼吸） cause m... 阅读全文>>

日期：2013-05-28 In a move that would make the Alchemists of King Arthur's time green with envy, scientists have unraveled the formula for turning liquid cement into liquid metal. This makes cement a semi-conductor and opens up its use in the profitable consumer ele... 阅读全文>>

日期：2013-05-28 In a study that evaluated some of the latest in automatic facial recognition technology, researchers at Michigan State University were able to quickly identify one of the Boston Marathon bombing suspects from law enforcement video, an experiment tha... 阅读全文>>

日期：2013-05-28 The accelerating disappearance of Earth's species of both wild and domesticated plants and animals constitutes a fundamental threat to the well-being and even the survival of humankind, warns the founding Chair of a new global organization created t... 阅读全文>>

日期：2013-05-27 Researchers and physicians in the field could soon run on-the-spot tests for environmental toxins, medical diagnostics, food safety and more with their smartphones. University of Illinois at Urbana-Champaign researchers have developed a cradle and a... 阅读全文>>

日期：2013-05-27 White tigers today are only seen in zoos, but they belong in nature, say researchers reporting new evidence about what makes those tigers white. Their spectacular white coats are produced by a single change in a known pigment gene, according to the... 阅读全文>>

日期：2013-05-27 A new approach for immunizing against influenza elicited a more potent immune response and broader protection than the currently licensed seasonal influenza vaccines when tested in mice and ferrets（雪貂，白鼬） . The vaccine concept, which was deve... 阅读全文>>

日期：2013-05-27 Most modern human mothers wean（断奶） their babies much earlier than our closest primate relatives. But what about our extinct relatives, the Neanderthals? A team of U.S. and Australian researchers reports in the journal Nature May 22 that they can... 阅读全文>>