日期：2015-04-29 A new technique for visualizing the rapidly changing electronic structures of atomic-scale materials as they twist, tumble and traipse across the nanoworld is taking shape at the California Institute of Technology. There, researchers have for the fi... 阅读全文>>

日期：2015-04-29 Blocked blood vessels can quickly become dangerous. It is often necessary to replace a blood vessel -- either by another vessel taken from the body or even by artificial vascular prostheses. Together, Vienna University of Technology and Vienna Medic... 阅读全文>>

日期：2015-04-29 What happens when lithium-ion batteries overheat and explode has been tracked inside and out for the first time by a UCL-led team using sophisticated 3D imaging. Understanding how Li-ion batteries fail and potentially cause a dangerous chain reactio... 阅读全文>>

日期：2015-04-29 Many view Antarctica as a frozen wasteland. Turns out there are hidden interconnected lakes underneath its dry valleys that could sustain life and shed light on ancient climate change. Jill Mikucki, a University of Tennessee, Knoxville, microbiology... 阅读全文>>

日期：2015-04-28 The first malaria vaccine candidate (RTS,S/AS01) to reach phase 3 clinical testing is partially effective against clinical disease in young African children up to 4 years after vaccination, according to final trial data, published in The Lancet. The... 阅读全文>>

日期：2015-04-28 Air pollution, even at moderate levels, has long been recognized as a factor in raising the risk of stroke. A new study led by scientists from Beth Israel Deaconess Medical Center and Boston University School of Medicine suggests that long-term expo... 阅读全文>>

日期：2015-04-28 University of Utah seismologists discovered and made images of a reservoir of hot, partly molten rock 12 to 28 miles beneath the Yellowstone supervolcano, and it is 4.4 times larger than the shallower, long-known magma chamber. The hot rock in the n... 阅读全文>>

日期：2015-04-28 When the charity International Cat Care asked veterinary neurologists at Davies Veterinary Specialists, UK, for help with several enquiries it had received regarding cats having seizures, seemingly in response to certain high-pitched sounds, the ans... 阅读全文>>

日期：2015-04-28 A study from the Texas AM Health Science Center School of Public Health finds students with standing desks are more attentive than their seated counterparts. In fact, preliminary results show 12 percent greater on-task engagement in classrooms with... 阅读全文>>

日期：2015-04-28 A medication commonly taken for Type II diabetes, which is being found in freshwater systems worldwide, has been shown to cause intersex in fish -male fish that produce eggs. A study by Rebecca Klaper at the University of Wisconsin-Milwaukee determi... 阅读全文>>

日期：2015-04-28 A very small and rare species of shark is swimming its way through scientific literature. But don't worry, the chances of this inches-long vertebrate biting through your swimsuit is extremely slim, because if you ever spotted one you'd be the third... 阅读全文>>

日期：2015-04-28 Researchers at the University of Rochester's Institute of Optics have shown that a laser-generated microplasma in air can be used as a source of broadband terahertz radiation. In a paper published this week in Optica, Fabrizio Buccheri and Xi-Cheng... 阅读全文>>

日期：2015-04-28 Researchers at Caltech have discovered how an abundant class of RNA genes, called long non-coding RNAs (lncRNAs, pronounced link RNAs) can regulate key genes. By studying an important lncRNA, called Xist, the scientists identified how this RNA gathe... 阅读全文>>

日期：2015-04-28 Although closely related to the notorious carnivore Tyrannosaurus rex, a new lineage of dinosaur discovered in Chile is proving to be an evolutionary jigsaw puzzle, as it preferred to graze upon plants. Palaeontologists are referring to Chilesaurus... 阅读全文>>

日期：2015-04-23 Wanna know about climate change? Ask a beetle. Scientists have been logging changes in weather patterns and temperatures in the Arctic for some time. Now they need to find ways to measure how these changes in climate are affecting biodiversity. One... 阅读全文>>

日期：2015-04-23 Due to the ever-increasing number of people using social media sites such as Facebook and Twitter, businesses and organizations, such as professional sports teams, are expanding their marketing and communication efforts to engage people with their b... 阅读全文>>

日期：2015-04-23 Engineers at the University of California, San Diego have discovered a method to increase the amount of electric charge that can be stored in graphene, a two-dimensional form of carbon. The research, published recently online in the journal Nano Let... 阅读全文>>

日期：2015-04-23 Neonicotinoids are used for seed dressing of rapeseed, to protect the young plants against flea beetles. Since 2013, use of this type of pesticide has been restricted by the EU for crops that are attractive to bees. The research findings have now be... 阅读全文>>

日期：2015-04-22 Many scientists assume that the growing level of carbon dioxide in the atmosphere will accelerate plant growth. However, a new study co-written by University of Montana researchers suggests much of this growth will be curtailed by limited soil nutri... 阅读全文>>

日期：2015-04-22 Only three wolves seem to remain in Isle Royale National Park. Researchers from Michigan Technological University observed the wolves during their annual Winter Study, and the lone group, at an unprecedented low, is a sharp decline from nine wolves... 阅读全文>>