日期：2013-07-04 Subjectivity is problematic when evaluating fingerprints, and quality is in the eye of the examiner. But three computer programs used together can give fingerprint grading unprecedented consistency and objectivity, according to Penn State researcher... 阅读全文>>

日期：2013-07-04 Neurodegenerative（神经变性的） diseases such as Alzheimer's could be better understood thanks to insight into proteins linked to such conditions, a study suggests. Scientists studying thread-like chains of protein -- called amyloid（淀粉体） fibres... 阅读全文>>

日期：2013-07-04 For young lizards born into this unpredictable world, their very first meal can be a major life changer. So say researchers who report evidence on July 3 in Current Biology, a Cell Press publication, that this early detail influences how the lizards... 阅读全文>>

日期：2013-07-04 The early galaxies of the universe were very different from today's galaxies. Using new detailed studies carried out with the ESO Very Large Telescope and the Hubble Space Telescope, researchers, including members from the Niels Bohr Institute, have... 阅读全文>>

日期：2013-07-04 Whitehead Institute researchers have determined that the transcription factor（转录因子） Nanog, which plays a critical role in the self-renewal of embryonic stem cells, is expressed in a manner similar to other pluripotency（多能性） markers. This... 阅读全文>>

日期：2013-07-04 University of Adelaide research has produced a potential new antibiotic which could help in the battle against bacterial resistance to antibiotics. The potential new antibiotic targets a bacterial enzyme critical to metabolic processes. The compound... 阅读全文>>

日期：2013-07-03 The local discovery of a species of fly not native to the Midwest could have significant implications on forensic investigations involving decomposing remains, according to a forensic biology researcher at Indiana University-Purdue University Indian... 阅读全文>>

日期：2013-07-03 New research by academics at The University of Nottingham has shown that exposure to a neonicotinoid（新烟碱） insecticide causes changes to the genes of the honeybee. The study, published in the online journal PLOS ONE, supports the recent decision... 阅读全文>>

日期：2013-07-03 University of Utah researchers developed a new weapon to fight poachers who kill elephants, hippos（河马） , rhinos and other wildlife. By measuring radioactive carbon-14 deposited in tusks（獠牙） and teeth by open-air nuclear bomb tests, the metho... 阅读全文>>

日期：2013-06-29 Indium tin oxide (ITO) has become a standard material in light-emitting diodes, flat panel plasma displays, electronic ink and other applications because of its high performance, moisture resistance, and capacity for being finely etched（蚀刻） . Bu... 阅读全文>>

日期：2013-06-29 Cattle grazing and clean water can coexist on national forest lands, according to research by the University of California, Davis. The study, published in the journal PLOS ONE, is the most comprehensive examination of water quality on National Fores... 阅读全文>>

日期：2013-06-29 To prevent coral reefs around the world from dying off, deep cuts in carbon dioxide emissions are required, says a new study from Carnegie's Katharine Ricke and Ken Caldeira. They find that all existing coral reefs will be engulfed in inhospitable（... 阅读全文>>

日期：2013-06-29 Researchers from McGill University, RIKEN (The Institute of Physical and Chemical Research, Wako, Japan) and the Institute for Molecular Science (Okazaki, Japan) have discovered a way to make the widely used chemical process of hydrogenation more en... 阅读全文>>

日期：2013-06-29 A new study from researchers at Uppsala University and University of Havana uses mathematic modeling and experiments on ants to show that a group is capable of developing flexible resource management strategies and characteristic responses of its ow... 阅读全文>>

日期：2013-06-29 Predicted increases in temperature and drought in the coming century may make it more difficult for conifers（松柏类） such as ponderosa pine（杰克松） to regenerate after major forest fires on dry, low-elevation sites, in some cases leading to conv... 阅读全文>>

日期：2013-06-29 Higher levels of omega-3 fatty acids in the blood may reduce the risk for hip fractures in postmenopausal（绝经后的） women, recent research suggests. Scientists analyzed red blood cell samples from women with and without a history of having a broke... 阅读全文>>

日期：2013-06-29 To the ancients, probing the philosophical（哲学的） question of how to distinguish the living from the dead centered on the mystery of the vital heat. To modern microbiology, this question was always less mysterious than it was annoying -- research... 阅读全文>>

日期：2013-06-29 The comic-book hero Superman uses his X-ray vision to spot bad guys lurking（潜伏） behind walls and other objects. Now we could all have X-ray vision, thanks to researchers at MIT's Computer Science and Artificial Intelligence Laboratory. Researche... 阅读全文>>

日期：2013-06-28 Arizona State University researchers have discovered for the first time that temperature determines where key soil microbes can thrive -- microbes that are critical to forming topsoil（表层土） crusts in arid lands. And of concern, the scientists pr... 阅读全文>>

日期：2013-06-28 As the world becomes increasingly connected, the need to ensure the proper functioning of its many underlying networks -- such as the Internet, power grids, global air transportation and ecological networks -- also is increasing. But controlling net... 阅读全文>>