日期：2012-09-05 Evolving to become less aggressive could be key to saving the Tasmanian devil（袋獾） -- famed for its ferocity（凶猛） -- from extinction, research suggests. The species is being wiped out by Devil Facial Tumour Disease (DFTD), a fatal infectious c... 阅读全文>>

日期：2012-09-05 A lone rooster sees a lot of all the hens in the flock, but the hen with the largest comb gets a bigger dose of sperm -- and thus more chicks. This sounds natural, but behind all this is humanity's hunger for eggs. For thousands of years, people hav... 阅读全文>>

日期：2012-09-05 You're in the supermarket eyeing a basket of sweet, juicy plums. You reach for the conventionally grown stone fruit, then decide to spring the extra $1/pound for its organic cousin. You figure you've just made the healthier decision by choosing the... 阅读全文>>

日期：2012-09-04 Researchers from North Carolina State University have developed a new nanolithography（毫微光刻） technique that is less expensive than other approaches and can be used to create technologies with biomedical applications. Among other things, this ty... 阅读全文>>

日期：2012-09-04 Pooling data from thousands of tests of the antiviral activity of more than 20 commonly used anti-HIV drugs, AIDS experts at Johns Hopkins and Harvard universities have developed what they say is the first accurate computer simulation to explain dru... 阅读全文>>

日期：2012-09-04 Scientists have restored the sense of smell in mice through gene therapy for the first time -- a hopeful sign for people who can't smell anything from birth or lose it due to disease. The achievement in curing congenital anosmia（嗅觉缺失症） -- the... 阅读全文>>

日期：2012-09-04 A new study, by scientists from the Universities of York, Glasgow and Leeds, involving analysis of fossil and geological records going back 540 million years, suggests that biodiversity on Earth generally increases as the planet warms. But the resea... 阅读全文>>

日期：2012-09-03 In a recent paper published in the Journal of Animal Science, meat scientists report that a method called blast chilling could affect pork tenderness. Researchers at the USDA-ARS, Roman L. Hruska US Meat Animal Research Center (USMARC) recently cond... 阅读全文>>

日期：2012-09-03 New research published in BioMed Central's open access journal BMC Plant Biology shows how targeting two bacterial genes into an ornamental plant（观赏植物） (Pelargonium), can produce long-lived and pollen-free plants. Pelargoniums ('Geraniums' and... 阅读全文>>

日期：2012-09-03 You can probably recall a customer service experience that left you feeling good. A recent study has shown not only that positive emotion from sales staff is contagious（感染性的） to a customer, but that a satisfied customer also improves the sales... 阅读全文>>

日期：2012-08-31 Corals are an invaluable part of the marine ecosystem, fostering biodiversity and protecting coastlines. But they're also increasingly endangered. Pathogenic bacteria, along with pollution and harmful fishing practices, are one of the biggest threat... 阅读全文>>

日期：2012-08-31 Danish researchers at University of Copenhagen lead the way for future monitoring of marine biodiversity and resources by using DNA traces in seawater samples to keep track of fish and whales in the oceans. A half litre of seawater can contain evide... 阅读全文>>

日期：2012-08-31 Bacteria in hyenas' scent glands may be the key controllers of communication. The results, featured in the current issue of Scientific Reports, show a clear relationship between the diversity of hyena clans and the distinct microbial communities tha... 阅读全文>>

日期：2012-08-31 Soil bacteria and bacteria that cause human diseases have recently swapped at least seven antibiotic-resistance genes, researchers at Washington University School of Medicine in St. Louis report Aug. 31 in Science. According to the scientists, more... 阅读全文>>

日期：2012-08-30 The Antarctic Ice Sheet could be an overlooked but important source of methane（甲烷） , a potent（有效的） greenhouse gas, according to a report in the August 30 issue of Nature by an international team of scientists. The new study demonstrates tha... 阅读全文>>

日期：2012-08-30 Scientists are closer to establishing a definitive bacterial cause for the skin condition rosacea（红斑痤疮） . This will allow more targeted, effective treatments to be developed for sufferers, according to a review published in the Journal of Medi... 阅读全文>>

日期：2012-08-30 Rising sea levels, melting glaciers, more intense rainstorms and more frequent heat waves are among the planetary woes that may come to mind when climate change is mentioned. Now, two University of Michigan researchers say an increased risk of avian... 阅读全文>>

日期：2012-08-30 University of Alberta researchers found evidence that a feathered, but flightless dinosaur was able to snag（抓住机会） and consume small flying dinosaurs. The U of A paleontology team found the fossilized remains of three flying dinosaurs in the be... 阅读全文>>

日期：2012-08-29 The international research team led by Chinese Academy of Agricultural Sciences and BGI have completed the genome sequence and analysis of a diploid（双倍的） cotton-- Gossypium raimondii. The cotton genome provides an invaluable resource for the st... 阅读全文>>

日期：2012-08-29 A coral species that is found in abundance from Indonesia eastward to Fiji, Samoa, and the Line Islands rarely crosses the Eastern Pacific Barrier toward the coast of the Americas, according to a team of researchers led by Iliana Baums, an assistant... 阅读全文>>