南非时滞驱逐津巴布韦移民

科学60秒:飞行的代价

More than 60 mammal species—like the famous flying squirrel—have adapted the ability to sail from tree to tree. , yes. But what’s the evolutionary advantage? One theory suggests gliding save...

背诵美文——动物的罗盘

Animals’ CompassesResearchers have found that migrating animals use a variety of inner compasses to help them navigate. Some steer by the position of the Sun. Others navigate by the stars. Some ...

青春的自豪

诗歌The Pride of Youth by Walter Scott Proud Maisie is in the wood, Walking so early; Sweet Robin sits on the bush, Singing so rarely. "tell me ,thou bonny bird, when shall I m...

青春的飞逝

诗歌The Flight of Youth by Richard Henry Stoddard There are gains for all our losses. There are balms for all our pain; But when youth,the dream,departs It takes something from o...