日期：2015-04-22 A new study based on 1,000 years of temperature records suggests global warming is not progressing as fast as it would under the most severe emissions scenarios outlined by the Intergovernmental Panel on Climate Change (IPCC). Based on our analysis,... 阅读全文>>

日期：2015-04-22 In seeking to develop the next generation of micro-electronic transistors, researchers have long sought to find the next best thing to replace silicon. To this end, a wealth of recent research into fully flexible electronic circuitry has focused on... 阅读全文>>

日期：2015-04-22 Among soft-bodied cephalopods, vampire squid live life at a slower pace. At ocean depths from 500 to 3,000 meters, they don't swim so much as float, and they get by with little oxygen while consuming a low-calorie diet of zooplankton and detritus. N... 阅读全文>>

日期：2015-04-22 A new study has found that internet discussion forums have positive links to well-being and are even associated with increased community engagement offline, contrary to a common perception of them being outdated and prone to trolling. Research publi... 阅读全文>>

日期：2015-04-16 It was a discovery that changed what researchers knew about the hunting techniques of chimpanzees. In 2007, Jill Pruetz first reported savanna chimps at her research site in Fongoli, Senegal, were using tools to hunt prey. That alone was significant... 阅读全文>>

日期：2015-04-16 A team of Michigan State University researchers has discovered a switch that regulates plant photosynthesis -- the process that lets plants store solar energy and use it to grow and produce food. Photosynthesis stores energy in two forms that are us... 阅读全文>>

日期：2015-04-16 A research team led by Shree K. Nayar, T.C. Chang Professor of Computer Science at Columbia Engineering, has invented a prototype video camera that is the first to be fully self-powered -- it can produce an image each second, indefinitely, of a well... 阅读全文>>

日期：2015-04-16 Researchers have developed a new way to use plant oils like olive and linseed oil to create polyurethane, a plastic material used in everything from foam insulation panels to tires, hoses and sealants. The researchers, led by Michael Kessler, Berry... 阅读全文>>

日期：2015-04-16 How fast is online learning evolving? Are wind turbines a promising investment? And how long before a cheap hoverboard makes it to market? Attempting to answer such questions requires knowing something about the rate at which a technology is improvi... 阅读全文>>

日期：2015-04-16 Researchers from North Carolina State University and the University of Colorado, Boulder, have developed a statistical model that allows them to tell where a dust sample came from within the continental United States based on the DNA of fungi found... 阅读全文>>

日期：2015-04-16 Pull my finger, a phrase embraced by school-aged kids and embarrassing uncles the world over, is now being used to settle a decades-long debate about what happens when you crack your knuckles. In a new study published April 15 in PLOS ONE, an intern... 阅读全文>>

日期：2015-04-14 Invertebrates perform essential functions for the smooth running of the ecosystems in tropical forests. For example, creatures such as termites and millipedes help dead leaves decompose and release their nutrients back into the soil, and carnivorous... 阅读全文>>

日期：2015-04-14 It may come as a bit of a surprise to learn that bacteria have an immune system -- in their case to fight off invasive viruses called phages. And like any immune system -- from single-celled to human -- the first challenge of the bacterial immune sy... 阅读全文>>

日期：2015-04-14 A medicinal liquid form of marijuana may show promise as a treatment for children with severe epilepsy that is not responding to other treatments, according to a study released today that will be presented at the American Academy of Neurology's 67th... 阅读全文>>

日期：2015-04-14 A new study indicates that vaccinating 12-year-old boys against the humanpapilloma virus (HPV) may be a cost-effective strategy for preventing oropharyngeal squamous cell cancer, a cancer that starts at the back of the throat and mouth, and involves... 阅读全文>>

日期：2015-04-14 Scientists on the Dark Energy Survey have released the first in a series of dark matter maps of the cosmos. These maps, created with one of the world's most powerful digital cameras, are the largest contiguous maps created at this level of detail an... 阅读全文>>

日期：2015-04-13 Smartphones and other personal electronic devices could, in regions where they are in widespread use, function as early warning systems for large earthquakes according to newly reported research. This technology could serve regions of the world that... 阅读全文>>

日期：2015-04-13 Although serotonin is well known as a brain neurotransmitter, it is estimated that 90 percent of the body's serotonin is made in the digestive tract. In fact, altered levels of this peripheral serotonin have been linked to diseases such as irritable... 阅读全文>>

日期：2015-04-13 The switchgrass exhibited mosaic symptoms--splotchy, discolored leaves--characteristic of a viral infection, yet tested negative for known infections. Deep sequencing, a new technology, revealed the plants were infected with a new virus in the genus... 阅读全文>>

日期：2015-04-13 Researchers at The University of Manchester have made a significant breakthrough in the development of synthetic pathways that will enable renewable biosynthesis of the gas propane. This research is part of a programme of work aimed at developing th... 阅读全文>>