科学60秒:透镜效应:揭开古老星系面纱
Five very old galaxies are now known to astrophysicists, thanks to Albert Einstein. A century ago, Einstein predicted an effect called cosmic gravitational lensing. Picture a massive galaxy out i...
金窗
Golden Windows There was a small boy living on a farm, he needed to get up before sunrise every morning to start his chores and out again later to do the evening ones. During sunrise he would tak...
CNN新闻100篇 News Item 30
CNNOPEC is going ahead with another oil production cut. OPEC has agreed to cut production by 2.2 million barrels a day. U.S. crude for January delivery dropped to just over 42 dollars a barrel af...
政治:俄克里姆林宫呼吁大幅削减警察数量
政治:俄克里姆林宫呼吁大幅削减警察数量President Medvedev says there is a need to eliminate Interior Ministry functions that are redundant or not relevant to police work. Mr. Medvedev says he has ...