Even though they are not proven to be more effective than traditional treatment methods, more than a dozen proton beam therapy centers are under construction across the country, including one in Shreveport, Louisiana.

In Japan, the radiation from the Fukushima nuclear accident is going nowhere fast. And in many cases, it's not clear where the radiation's OK, and where it's not. That's where a group called SafeCast comes in.

Here are some of today's top headlines from the Marketplace Morning Report and around the web. The economy, in the last quarter of 2010, grew …

Tokyo health officials said today radiation levels are higher in the water supply there. Those officials are recommending people not give tap wat…

Here are today's headlines from Marketplace Morning Report and around the web. …

On today's show, Marketplace continued to follow the effects of Friday's earthquake and tsunami in Japan. The Japanese government is monitoring the…