A worker checks radiation levels on the window of a bus during a media tour at Japan's Fukushima Dai-ichi nuclear plant in the town of Okuma, Fukushima prefecture on June 12, 2013. - 

It’s been three years since the Fukushima disaster prompted Japan to try weaning itself from nuclear power, though that's a position it now seems poised to reverse. In the U.S., four new reactors are under construction after a long lull. Don’t call it a nuclear renaissance: The economics of nuclear power are a tough sell, especially in a time of cheaper natural gas. "The idea that public fearfulness or the resistance of environmental groups is what killed nuclear power in the U.S. has always been nonsense," says Peter Bradford, a former member of the Nuclear Regulatory Commission.

It's international quiz time on the Marketplace Morning Report. Stephan Richter, editor-in-chief of the online international affairs magazine, The Globalist, brings us a question that will test your knowledge of pay around the world. Across industrialized countries, women make, on average, 85 percent of what men make, but do you know in which country women make closest to the average pay across industrialized countries?

Follow David Brancaccio at @DavidBrancaccio