The nuclear crisis in Japan is far from over. In recent days, highly radioactive water has been discovered in tunnels under reactors at the Fukushima Daiichi plant, and radioactive plutonium has been found in the soil nearby. Efforts to contain the leaking radioactive material are still underway, and cleanup will take far longer. Here are answers to some basic questions....
What will workers do to clean up the radioactive water?
Over the short term, they won't be able to do much. "You move people out of the way, and then you take stock," said Berkeley Lab's Thomas McKone.