WBEZ 91.5 Chicago

Nuclear power plants generate 14 percent of the world's electricity, but some countries are more dependent on this power source than others. France relies on nuclear for 75.2 percent of its electricity; the United States, about 20 percent.

The space shuttle Endeavour made a picture-perfect liftoff Monday morning as it headed for the International Space Station in the penultimate flight of the shuttle era.Endeavour roared off the launch pad at 8:56 a.m.

Engineers probing the ruined nuclear reactors at Japan's Fukushima Dai-ichi plant are finding yet more damage. Not only did fuel melt in three reactors, they've just discovered a hole in one reactor vessel. And radioactive water continues to leak at the site.

With wounded U.S. Rep.

The United States Nuclear Regulatory Commission heard an update today about the situation at Japan's Fukushima Daiichi nuclear power plant. Copyright 2011 National Public Radio. To see more, visit http://www.npr.org/.

An old technology is providing new insights into the human brain.The technology is called electrocorticography, or ECoG, and it uses electrodes placed on the surface of the brain to detect electrical signals coming from the brain itself.Doctors have been using ECoG since the 1950s to figure out whic

California is cracking down on invasive species, and that could have a big impact on national regulations due out later this year. The state has passed the strictest rules in the country to prevent cargo ships from bringing foreign plants and animals to San Francisco Bay.