日期：2014-03-24 Warmer summers brought on by climate change will cause more deaths in London and southeast England than the rest of the country, scientists predict. Researchers at Imperial College London looked at temperature records and mortality figures for 2001... 阅读全文>>

日期：2014-03-24 Rutting stags and clawing bears are but two examples of male animals fighting over a mate, but research in New Phytologist has uncovered the first evidence of similar male struggles leading to the evolution of weaponry in plants. The team, led by Dr... 阅读全文>>

日期：2014-03-24 Far beneath the surface of the ocean, deep currents act as conveyer belts, channeling heat, carbon, oxygen and nutrients around the globe. A new study by the University of Pennsylvania's Irina Marinov and Raffaele Bernardello and colleagues from McG... 阅读全文>>

日期：2014-03-24 Practising sport for more than an hour day reduces the risk of contracting breast cancer, and this applies to women of any age and any weight, and also unaffected by geographical location, according to research presented to the 9th European Breast C... 阅读全文>>

日期：2014-03-24 In a world perfumed by freshly popped popcorn and exhaust fumes, where sea breezes can mingle with the scents of sweet flowers or wet paint, new research shows that humans are capable of discriminating at least one trillion different odors. Howard H... 阅读全文>>

日期：2014-03-24 Inspired by natural materials such as bone -- a matrix of minerals and other substances, including living cells -- MIT engineers have coaxed（哄骗，劝诱） bacterial cells to produce biofilms that can incorporate nonliving materials, such as gold nan... 阅读全文>>

日期：2014-03-20 Using ancient DNA analysis and other techniques, a research team led by conservation biologists at the University of California, Riverside has determined that bighorn sheep, so named for their massive spiral horns, became extinct on Tiburn Island, a... 阅读全文>>

日期：2014-03-20 True monogamy（一夫一妻制） is rare in the animal kingdom. Even in species that appear to mate for life, genetic maternity and paternity tests have revealed that philandering（玩弄女性，调情） often takes place. Yet a new study by University of Penn... 阅读全文>>

日期：2014-03-20 Colonial legacy has a significant impact on scientific productivity across the continent of Africa, according to a study by researchers at the University of Lom, in Togo. Writing in the International Journal of Education Economics and Development, t... 阅读全文>>

日期：2014-03-20 The results of a new study show that eating fried food more than four times a week had twice as big an effect on body mass index (BMI) for those with the highest genetic risk scores compared with lower scores. In other words, genetic makeup can infl... 阅读全文>>

日期：2014-03-20 Inspired by the space physics behind solar flares and the aurora（极光） , a team of researchers from the University of Michigan and Princeton has uncovered a new kind of magnetic behavior that could help make nuclear fusion reactions easier to star... 阅读全文>>

日期：2014-03-20 Researchers from the Santa Fe Institute and the Smithsonian Institution have pieced together a highly detailed picture of feeding relationships among 700 mammal, bird, reptile, fish, insect, and plant species from a 48 million year old lake and fore... 阅读全文>>

日期：2014-03-20 An ancient stick insect（竹节虫） species may have mimicked plant leaves for defense, according to a paper published in the open-access journal PLOS ONE on March 19, 2014 by Maomin Wang, from Capital Normal University, China and colleagues. Many ins... 阅读全文>>

日期：2014-03-19 Scientists from the Monell Chemical Senses Center have found that children who most prefer high levels of sweet tastes also most prefer high levels of salt taste and that, in general, children prefer sweeter and saltier tastes than do adults. These... 阅读全文>>

日期：2014-03-19 A new study from the University of Southampton has provided scientists with a better understanding of why chromosome errors are high in women's eggs. It is estimated that up to 60 per cent of eggs are affected by errors in how their chromosomes divi... 阅读全文>>

日期：2014-03-19 New global imaging and topographic（地形测量的） data from MESSENGER show that the innermost planet has contracted far more than previous estimates. The results are based on a global study of more than 5,900 geological landforms, such as curving cli... 阅读全文>>

日期：2014-03-19 A unique 39-year study of wildflower blooms in a Colorado Rocky Mountain meadow shows more than two-thirds of alpine（阿尔卑斯山的） flowers have changed their blooming pattern in response to climate change. Not only are half the flowers beginning t... 阅读全文>>

日期：2014-03-19 The frustrated attempts of a UCLA graduate student to quantify the amount of water draining from Greenland's melting ice sheet led him to devise a new way to measure river flows from outer space, he and his professor report in a new study. The new a... 阅读全文>>

日期：2014-03-19 Archaeologists have found the oldest complete example in the world of a human with metastatic cancer in a 3,000 year-old skeleton. The findings are reported in the academic journal PLOS ONE today (17 March). The skeleton of the young adult male was... 阅读全文>>

日期：2014-03-19 Did the Polynesians beat Columbus to South America? Not according to the tale of migration uncovered by analysis of ancient DNA from chicken bones recovered in archaeological digs across the Pacific. The ancient DNA has been used to study the origin... 阅读全文>>