日期:2015-06-04 A new and significant role for marine reserves on the Great Barrier Reef has been revealed, with researchers finding the reserves reduce the prevalence of coral diseases. It's been known for some time that marine reserves are important for maintaini... 阅读全文>> 日期:2015-06-04 A study of marine mammals and other protected species finds that several once endangered species, including the iconic humpback whale, the northern elephant seal and green sea turtles, have recovered and are repopulating their former ranges. The res... 阅读全文>> 日期:2015-06-04 Most of the world's electricity-producing power plants -- whether powered by coal, natural gas, or nuclear fission -- make electricity by generating steam that turns a turbine. That steam then is condensed back to water, and the cycle begins again.... 阅读全文>> 日期:2015-06-04 You might not need to remember those complicated e-mail and bank account passwords for much longer. According to a new study, the way your brain responds to certain words could be used to replace passwords. In Brainprint, a newly published study in... 阅读全文>> 日期:2015-06-04 Take gold spirals about the size of a dime...and shrink them down about six million times. The result is the world's smallest continuous spirals: nano-spirals with unique optical properties that would be almost impossible to counterfeit if they were... 阅读全文>> 日期:2015-06-02 A new study by anthropologists from The University of Texas at Austin shows for the first time that epigenetic marks on DNA can be detected in a large number of ancient human remains, which may lead to further understanding about the effects of fami... 阅读全文>> 日期:2015-06-02 In a head-to-head clinical trial comparing standard chemotherapy with the immunotherapy drug nivolumab, researchers found that people with squamous-non-small cell lung cancer who received nivolumab lived, on average, 3.2 months longer than those rec... 阅读全文>> 日期:2015-06-02 Both men and women are more likely to cheat on their spouses the more economically dependent they are on them, according to a new study. You would think that people would not want to 'bite the hand that feeds them' so to speak, but that is not what... 阅读全文>> 日期:2015-06-02 Some female members of a critically endangered species of sawfish are reproducing in the wild without sex. The discovery, reported in the Cell Press journal Current Biology on June 1, marks the first time living offspring from virgin births have bee... 阅读全文>> 日期:2015-05-31 New research presented at this year's Euroanaesthesia congress in Berlin, Germany, suggests that, before an operation, low blood pressure (hypotension) rather than high blood pressure (hypertension) is an independent risk factor for death. The study... 阅读全文>> 日期:2015-05-28 Lethal wounds identified on a human skull in the Sima de los Huesos, Spain, may indicate one of the first cases of murder in human history, some 430,000 years ago, according to a study published May 27 2015 in the open-access journal PLOS ONE by Noh... 阅读全文>> 日期:2015-05-28 What if handheld tools know what needs to be done and were even able to guide and help inexperienced users to complete jobs that require skill? Researchers at the University of Bristol have developed and started studying a novel concept in robotics... 阅读全文>> 日期:2015-05-28 If greenhouse-gas emissions continue to rise, glaciers in the Everest region of the Himalayas could experience dramatic change in the decades to come. A team of researchers in Nepal, France and the Netherlands have found Everest glaciers could be ve... 阅读全文>> 日期:2015-05-28 Today's industrial robots are remarkably efficient -- as long as they're in a controlled environment where everything is exactly where they expect it to be. But put them in an unfamiliar setting, where they have to think for themselves, and their ef... 阅读全文>> 日期:2015-05-28 Cleveland . . . A new relative joins Lucy on the human family tree. An international team of scientists, led by Dr. Yohannes Haile-Selassie of The Cleveland Museum of Natural History, has discovered a 3.3 to 3.5 million-year-old new human ancestor s... 阅读全文>> 日期:2015-05-27 Males aren't relevant -- at least when it comes to disease transmission by mosquitoes. Researchers with the Fralin Life Science Institute at Virginia Tech have identified a gene responsible for sex determination in mosquitoes that can transmit yello... 阅读全文>> 日期:2015-05-27 Rare discovery sheds new light on the history and lifestyle of ancient parasite Team recreate fossil using 3D computer modelling Today, some 140 species of the parasite infect animals - including humans An international team of scientists led by the... 阅读全文>> 日期:2015-05-27 Cognitive impairment predicts worse outcome in elderly heart failure patients, reveals research presented today at Heart Failure 2015 by Hiroshi Saito, a physiotherapist at Kameda Medical Centre in Kamogawa, Japan. Patients with cognitive impairment... 阅读全文>> 日期:2015-05-27 Madagascar is home to extraordinary biodiversity, but in the past few decades, the island's forests and associated biodiversity have been under greater attack than ever. Rapid deforestation is affecting the biotopes of hundreds of species, including... 阅读全文>> 日期:2015-05-25 An association between resting heart rate and diabetes suggests that heart rate measures could identify individuals with a higher future risk of diabetes, according to an international team of researchers. In a four-year study of 73,357 Chinese adul... 阅读全文>> |
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