日期:2015-05-25 An extract from the thunder god vine, which has a long history of use in traditional Chinese medicine, reduces food intake and causes up to a 45% decrease in body weight in obese mice. The weight-loss compound, called Celastrol, produces its potent... 阅读全文>> 日期:2015-05-25 Researchers at the University of California, Berkeley, have developed algorithms that enable robots to learn motor tasks through trial and error using a process that more closely approximates the way humans learn, marking a major milestone in the fi... 阅读全文>> 日期:2015-05-25 Results from a new nationwide survey announced today indicate a steady increase in the number of pediatric patients who are being treated with proton radiation therapy for cancerous and non-cancerous tumors. The research, led by Andrew L. Chang, M.D... 阅读全文>> 日期:2015-05-22 It's no wonder that giant pandas are always chewing and eating, say Chinese researchers: their gut bacteria are not the type for efficiently digesting bamboo. The bamboo-eating giant panda actually harbors a carnivore-like gut microbiota predominate... 阅读全文>> 日期:2015-05-22 Dogs' special relationship to humans may go back 27,000 to 40,000 years, according to genomic analysis of an ancient Taimyr wolf bone reported in the Cell Press journal Current Biology on May 21. Earlier genome-based estimates have suggested that th... 阅读全文>> 日期:2015-05-22 Lung cancer researchers at Winship Cancer Institute of Emory University have discovered a novel strategy to exploit apoptosis, a form of programmed cell death, for the treatment of lung cancer. The protein Bcl-2 is a known target for cancer treatmen... 阅读全文>> 日期:2015-05-22 The original snake ancestor was a nocturnal, stealth-hunting predator that had tiny hindlimbs with ankles and toes, according to research published in the open access journal BMC Evolutionary Biology. The study, led by Yale University, USA, analyzed... 阅读全文>> 日期:2015-05-22 The Bronze Age Egtved Girl came from far away, as revealed by strontium isotope analyses of the girl's teeth. The analyses show that she was born and raised outside Denmark's current borders, and strontium isotope analyses of the girl's hair and a t... 阅读全文>> 日期:2015-05-22 The octopus has a unique ability. It can change the color, pattern and even texture of its skin not only for purposes of camouflage but also as a means of communication. The most intelligent, most mobile and largest of all mollusks, these cephalopod... 阅读全文>> 日期:2015-05-22 A cartwheeling spider, a bird-like dinosaur and a fish that wriggles around on the sea floor to create a circular nesting site are among the species identified by the SUNY College of Environmental Science and Forestry (ESF) as the Top 10 New Species... 阅读全文>> 日期:2015-05-21 New research from the University of Southampton has identified how changes in the cell membrane play a pivotal role in how the Hepatitis C virus replicates. By understanding this process, the researchers hope to investigate how to prevent the change... 阅读全文>> 日期:2015-05-21 A team of New York University neuroscientists has identified a part of the brain exclusively devoted to processing speech. Its findings point to the superior temporal sulcus (STS), located in the temporal lobe, and help settle a long-standing debate... 阅读全文>> 日期:2015-05-21 A new study of young U.S. veterans shows that the probability of having a high risk of obstructive sleep apnea (OSA) increased with increasing severity of post-traumatic stress disorder (PTSD) symptoms. The study involved 195 Iraq and Afghanistan ve... 阅读全文>> 日期:2015-05-21 A new class of magnets that expand their volume when placed in a magnetic field and generate negligible amounts of wasteful heat during energy harvesting, has been discovered by researchers at Temple University and the University of Maryland. The re... 阅读全文>> 日期:2015-05-21 The fossils of the first dinosaur fossil from Washington State were collected along the shores of Sucia Island State Park in the San Juan Islands, and described in a study published May 20, 2015 in the open-access journal PLOS ONE by Brandon Peecook... 阅读全文>> 日期:2015-05-21 Scientists working in the desert badlands of northwestern Kenya have found stone tools dating back 3.3 million years, long before the advent of modern humans, and by far the oldest such artifacts yet discovered. The tools, whose makers may or may no... 阅读全文>> 日期:2015-05-15 Rats have more heart than you might think. When one is drowning, another will put out a helping paw to rescue its mate. This is especially true for rats that previously had a watery near-death experience, says Nobuya Sato and colleagues of the Kwans... 阅读全文>> 日期:2015-05-15 Male toddlers with autism have significant structural differences in their brains compared to females with the condition, according to research published in the open access journal Molecular Autism. The journal is publishing a special series of arti... 阅读全文>> 日期:2015-05-15 Researchers studying a dangerous type of bacteria have discovered that the bacteria have the ability to block both their own growth and the growth of their antibiotic-resistant mutants. The discovery might lead to better ways to fight a class of bac... 阅读全文>> 日期:2015-05-13 Bragging to coworkers about a recent promotion, or posting a photo of your brand new car on Facebook, may seem like harmless ways to share good news. However, a new study from City University London, Carnegie Mellon University and Bocconi University... 阅读全文>> |
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