Though the immediate nuclear crisis in Japan has passed, the process of securing and stabilizing the radioactive materials from the melted-down reactors will be a long, expensive slog. Recovery workers will also need to decontaminate the area surrounding the plant.
In large sections of America’s farmland, new strains of weeds are making life miserable for farmers. They’ve developed resistance to the country’s No. 1 weedkiller, Roundup. Now farmers face a choice: Do they go for yet another kill-all-the-weeds chemical, or go back to more complicated, labor-intensive ways of fighting weeds?