日期:2010-06-22 Researchers at the University of Leicester and the University of Ferrara in Italy have collaborated(合作) to develop new drugs which have the potential to relieve cancer pain without causing many of the side effects(副作用) of current pain-treat... 阅读全文>> 日期:2010-06-22 Like an unwelcome houseguest or itinerant(巡回的,流动的) squatter(擅自居住) , the human body louse(虱子) shows up when times are bad and always makes them worse. Now a multi-institutional team reports that it has sequenced the body louse geno... 阅读全文>> 日期:2010-06-22 A team of researchers from the University of Alberta and the National Institute for Nanotechnology has extended the operating life of an unsealed plastic solar cell, from mere hours to eight months. The research groups' development of an inexpensive... 阅读全文>> 日期:2010-06-22 Bands of chimpanzees(黑猩猩) violently kill individuals from neighboring groups in order to expand their own territory, according to a 10-year study of a chimp community in Uganda that provides the first definitive evidence for this long-suspected... 阅读全文>> 日期:2010-06-21 Batteries might gain a boost in power capacity(功率容量) as a result of a new finding from researchers at MIT. They found that using carbon nanotubes for one of the battery's electrodes produced a significant increase up to tenfold in the amount o... 阅读全文>> 日期:2010-06-18 Following stem cell therapy, an adult patient experienced a new and previously unrecognized complication(并发症) , which required removal of one of the kidneys, according to a case report(病案报告) appearing in an upcoming issue of the Journal o... 阅读全文>> 日期:2010-06-18 Increasingly, the Earth's climate appears to be more connected than anyone would have imagined. El Nio, the weather pattern that originates in a patch(斑点,碎片) of the equatorial(赤道的) Pacific, can spawn(酿成,造成) heat waves and droughts... 阅读全文>> 日期:2010-06-18 Cold sensing neural circuits(神经回路) in newborn mice take around two weeks to become fully active, according to a new study. The finding adds to understanding of the cold sensing protein TRPM8 (pronounced trip-em-ate), first identified in a Natu... 阅读全文>> 日期:2010-06-18 Attention college grads: Your degree may be the key to both a career and better health coverage. According to a new study of women's health insurance from the UCLA Center for Health Policy Research, women without a high school diploma were nearly fo... 阅读全文>> 日期:2010-06-18 Some bacteria destroy oil. Might those bacteria lead oil companies to change their methods of harvesting the energy of the oil while at the same time reducing the carbon dioxide(二氧化碳) that burning oil and gasoline(汽油) discharges into the a... 阅读全文>> 日期:2010-06-18 Gene expression takes place in two stages: the transcription of DNA to RNA by an enzyme(酶) called RNA polymerase(核糖核酸聚合酶) , , followed by the translation of this RNA into proteins, whose behaviour affects the characteristics of each indi... 阅读全文>> 日期:2010-06-18 For several thousands of years, ancient Egypt dominated the Mediterranean worldand scholars across the globe have spent more than a century trying to document the reigns(统治,支配) of the various rulers of Egypt's Old, Middle and New Kingdoms. No... 阅读全文>> 日期:2010-06-18 Are we born with an innate(先天的,固有的) sense of direction, or is it learned? Research from the Norwegian University of Science and Technology's Kavli Institute for Systems Neuroscience(神经系统科学) suggests that the brain comes hard-wired w... 阅读全文>> 日期:2010-06-17 Low-salt foods may be harder for some people to like than others, according to a study by a Penn State College of Agricultural Sciences food scientist. The research indicates that genetics influence some of the difference in the levels of salt we li... 阅读全文>> 日期:2010-06-17 Contrary to popular belief, paying a premium price for free-range eggs may not be healthier than eating regular eggs, a new study reports. Scientists found that free-range eggs in Taiwan contain at least five times higher levels of certain pollutant... 阅读全文>> 日期:2010-06-17 Scientists have just come several steps closer to understanding change blindness(变化盲视) the well studied failure of humans to detect seemingly obvious changes to scenes around them with new research that used a computer-based model to predict w... 阅读全文>> 日期:2010-06-17 As a young boy growing up in Portugal, Lus Amaral loved playing, watching and talking soccer. Amaral and his friends passionately debated about which players were the best. But, it was just a matter of opinion. Unlike baseball and basketball, there... 阅读全文>> 日期:2010-06-14 When applied to HIV care, the community-based model of directly observed therapy ( DOT直接观察治疗 ) has no effect on virologic(病毒学) outcomes, but significantly improves patient survival. This is according to researchers at the Johns Hopkins Bl... 阅读全文>> 日期:2010-06-14 When a hungry harbour seal(斑海豹) sets off in pursuit of a fish diner, the animal has a secret weapon in its tracking arsenal(兵工厂,军械库) : its whiskers(胡须,腮须) . Detecting hydrodynamic(水力的,流体动力学的) trails in water with the... 阅读全文>> 日期:2010-06-14 Researchers at the University of Oklahoma Health Sciences Center have found a way to use a radical new type of gene therapy to prevent blindness caused by retinitis pigmentosa(色素性视网膜炎) , giving hope to the estimated 100,000 Americans who su... 阅读全文>> |
|