文章列表

• 1.火星环境曾经适宜生物的生存
• Conditions favourable to life may once have existed all over Mars. Detailed studies of minerals found inside craters（火山口） show that liquid water ...
• 2.某些细胞对外界刺激的反应与众不同
• Using new technology that allows scientists to monitor how individual cells react in the complex system of cell signaling, Stanford University researc...
• 3.超导体缘何不能产生超强电流
• When high-temperature superconductors（超导体） were first announced in the late 1980s, it was thought that they would lead to ultra-efficient magneti...
• 4.高密度脂蛋白可能对1型女糖尿病人有害
• Elevated blood levels of high-density lipoprotein ( HDL高密度脂蛋白 ) or good cholesterol（胆固醇） , typically thought to protect against heart disea...
• 5.生理学家初步发现变性疾病的病理
• A mechanism that regulates（调节，校准） stem- cell differentiation（细胞分化） in mice testes（睾丸） suggests a similar process that may trigger deg...
• 6.美宇航局拍摄到5级台风“西利亚”红外图像
• Celia has exploded into a monster hurricane in the Eastern Pacific, and is now a Category 5 storm over open waters. NASA's Aqua（浅绿色） satellite ca...
• 7.禽流感病毒的传播或许跟鸟类羽毛有关
• US scientists reports discovery of a new mechanism of avian influenza（禽流感） virus circulation and transmission in nature A team of scientists, led...
• 8.深度撞击号飞船完成最后一圈绕地飞行
• On Sunday, NASA's historic Deep Impact spacecraft will fly past Earth for the fifth and last time on its current University of Maryland-led EPOXI miss...
• 9.科学家开始试验全球变暖对冻土层的影响
• Scientists at the Department of Energy's Oak Ridge National Laboratory are planning a large-scale, long-term ecosystem experiment to test the effects ...
• 10.金星曾经是一个适宜居住的星球吗？
• ESA's Venus Express is helping planetary（行星的） scientists investigate whether Venus once had oceans. If it did, it may even have begun its existen...