文章列表

• 1.过时的伐木方式导致高水土流失
• Clear-cut logging and related road-building in the 1950s and 1960s in southern Oregon's Siskiyou Mountains disrupted（破坏，分裂） soil stability and ...
• 2.全球将在几十年之内面临干旱威胁
• The United States and many other heavily populated countries face a growing threat of severe and prolonged（延长的，拖延的） drought in coming decades...
• 3.研究人员发现意料之外的磁力
• Theoretical work done at the Department of Energy's Oak Ridge National Laboratory has provided a key to understanding an unexpected magnetism between ...
• 4.树懒颈椎骨因何独特
• By examining the development of bones in the vertebral column（脊柱） , limbs, and ribcage（胸腔） , scientists at the University of Cambridge have di...
• 5.今年可能爆发第三波甲型H1N1流感
• Analysis of H1N1 antibody levels (seroprotection rates) after the 2009 pandemic suggest that a third wave is unlikely in 2010, although adults over ag...
• 6.遗传学家发现四个牛皮癣“基因热点”
• Scientists at the University of Michigan Heath System and their collaborators have found four new DNA hotspots that may one day help guide new treatme...
• 7.如何利用卫星测量星体重量
• How do astronomers weigh a star that's trillions of miles away and way too big to fit on a bathroom scale（体重秤） ? In most cases they can't, althou...
• 8.可“嗅到光线”的老鼠有助于深入了解嗅觉
• Harvard University neurobiologists have created mice that can smell light, providing a potent（有效的，强有力的） new tool that could help researchers...
• 9.肺结核细菌如何感染人体细胞
• Scientists at the U.S. Department of Energy's (DOE) Brookhaven National Laboratory and Stony Brook University have discovered a key difference in the ...
• 10.科学家揭开砷化合物有毒亦可治病之谜
• Scientists have solved an important mystery about why an arsenic（砷的） compound, called arsenite（亚砷酸盐） , can kill us, and yet function as an e...