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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...

短文：工作的第一天

The first day of workNo one wants to look silly or do the wrong thing at a new job. It is important to make the right impression, not the wrong one from the very first day. You will face new peop

太平洋地区运用科学 积极防治海平面升高

这是讲述太平洋沿岸地区海平面上升及其应对策略的文章。EarthSky In the Pacific Ocean, island governments are using science to plan for climate extremes and eventually prepare for long-term climat...

寻找西部淘金热时期的定居者

The problem of slavery continued to divide the North and South. Northerners warned that slavery could spread no farther. Southerners threatened to leave the Union unless southern rights were pro...