BEIJING, Feb. 9 (Xinhua) -- Chinese scientists have developed a gene-editing technique to reduce corn plant height, enabling the creation of compact, high-density varieties resistant to lodging, ...

The dramatic rescue of a middle-aged man from drowning in a river by three men and a horse has captivated the hearts of ...

这两天网上闲逛时发现一个挺有趣的问题，什么是三明治？ 对于我个人来说，三明治就是常见的，切成三角形的，两片面包中间加点肉。或者赛百味那种一个长条面包切开中间加各种菜肉。我不会认为肉夹馍、煎饼果子、老北京鸡肉卷是三明治。