In Chernobyl, a fungus eats radiation

When scientists first found a black fungus growing at the site of the Chernobyl nuclear disaster, they were baffled. Now, a decade later, research has determined that not only is the fungus using the radiation to grow - it can also block radiation. The World's Host Marco Werman spoke with research lead Nils Averesch about the finding, and its potential applications beyond Chernobyl.