日期：2013-05-27 Maintaining a heart healthy lifestyle may also help protect chronic kidney disease patients from developing kidney failure and dying prematurely, according to a study appearing in an upcoming issue of the Journal of the American Society of Nephrolog... 阅读全文>>

日期：2013-05-27 An academic paper on the archaeology of the Search for Richard III reveals for the first time specific details of the grave dug for King Richard III and discovered under a car park in Leicester. University of Leicester archaeologists have published... 阅读全文>>

日期：2013-05-24 Plants can't swat（重拍，猛击） a bug or run away from one, but that doesn't mean that plants can't fight back. Plants have evolved unique and sophisticated immune systems to defend themselves against insects and pathogens. Plant hormones called jas... 阅读全文>>

日期：2013-05-24 A team of researchers has captured images of green alga consuming bacteria, offering a glimpse at how early organisms dating back more than 1 billion years may have acquired free-living photosynthetic（光合的） cells. This acquisition is thought to... 阅读全文>>

日期：2013-05-24 An amazing glow-in-the-dark cockroach（蟑螂） , a harp-shaped carnivorous（食肉的） sponge and the smallest vertebrate on Earth are just three of the newly discovered top 10 species selected by the International Institute for Species Exploration at... 阅读全文>>

日期：2013-05-24 The Ring Nebula's distinctive shape makes it a popular illustration for astronomy books. But new observations by NASA's Hubble Space Telescope of the glowing gas shroud（覆盖物） around an old, dying, sun-like star reveal a new twist. The nebula is... 阅读全文>>

日期：2013-05-23 New research from North Carolina State University and the University of Colorado shows that households with dogs are home to more types of bacteria - including bacteria that are rarely found in households that do not have dogs. The finding is part o... 阅读全文>>

日期：2013-05-23 Two hungry young galaxies that collided 11 billion years ago are rapidly forming a massive galaxy about 10 times the size of the Milky Way, according to UC Irvine-led research published Wednesday in the journal Nature. Capturing the creation of this... 阅读全文>>

日期：2013-05-23 Malaria-carrying mosquitoes appear to be manipulated by the parasites they carry, but this manipulation may simply be part of the mosquitoes' immune response, according to Penn State entomologists. Normally, after a female mosquito ingests a blood m... 阅读全文>>

日期：2013-05-23 Scientists discovered a new enigmatic（神秘的） species of ant coming from the Philippines. Cardiocondyla pirataor the pirate ant engages the imagination with a bizarre pigmentation pattern that has no equivalent worldwide. The female castes in the... 阅读全文>>

日期：2013-05-23 Two new minute spider species have been discovered from the Sichuan and Chongqing, China. The tiny new spiders are both less than 2 mm in length, with Trogloneta yuensis being as little as 1.01 mm and Mysmena wawuensis measured to be the even tinier... 阅读全文>>

日期：2013-05-23 Large-river specialist fishes -- from giant species like paddlefish（白鲟） and blue catfish, to tiny crystal darters and silver chub -- are in danger, but researchers say there is greater hope to save them if major tributaries identified in a Unive... 阅读全文>>

日期：2013-05-23 Dinosaurs are often thought of as large, fierce animals, but new research highlights a previously overlooked diversity of small dinosaurs. In the Journal of Vertebrate Paleontology, a team of paleontologists from the University of Toronto, Royal Ont... 阅读全文>>

日期：2013-05-23 Swedish scientists have mapped the gene sequence of Norway spruce（云杉） (the Christmas tree) -- a species with huge economic and ecological importance -- and that is the largest genome to have ever been mapped. The genome is complex and seven time... 阅读全文>>

日期：2013-05-23 Researchers at the Universities of Leeds and Chicago have uncovered an important mechanism behind the generation of astrophysical（天体物理学的） magnetic fields such as that of the Sun. Scientists have known since the 18th Century that the Sun regu... 阅读全文>>

日期：2013-05-22 Concerns continue to grow about the effects of climate change on fire. Wildfires are expected to increase 50 percent across the United States under a changing climate, over 100 percent in areas of the West by 2050 as projected by some studies. Of eq... 阅读全文>>

日期：2013-05-22 People who are consistently exposed to both wood smoke and tobacco smoke are at a greater risk for developing chronic obstructive pulmonary disease ( COPD慢性阻塞性肺炎 ) and for experiencing more frequent and severe symptoms of the disease, as well... 阅读全文>>

日期：2013-05-22 Having the biggest playlist doesn't make a male songbird the brainiest of the bunch, a new study shows. For songbirds, singing a lot of songs indicates a bird is smart, but that signal is not necessarily indicative of intelligence for everything, sa... 阅读全文>>

日期：2013-05-22 Today, the most diverse species of crocodile are found in northern South America and Southeast Asia: As many as six species of alligator（短吻鳄） and four true crocodiles exist, although no more than two or three ever live alongside one another at... 阅读全文>>

日期：2013-05-22 When infections occur in the body, stem cells in the blood often jump into action by multiplying and differentiating into mature immune cells that can fight off illness. But repeated infections and inflammation can deplete（耗尽） these cell populat... 阅读全文>>