延长水果和蔬菜保质期的科学原理

这是一个棘手的问题：为了防止食物浪费，我们依赖塑料包装和冷藏技术，但这些做法会损害环境。如果我们能向大自然寻求解决方案，来应对这些挑战会怎样呢？工程师兼化学家珍妮·杜分享了一个简单的基于植物的创新方法——利用水果和蔬菜皮中所含的相同成分——如何能够延 ...
China.org.cn

Letter from Mideast: Fear permeates harvest season in olive groves

What began as an olive harvest ended up in violence. This happened on the morning of Nov. 8, but it was just one of the many -- and still increasing -- incidents of this kind. In the West Bank, the ...