This Oct. 16, 2012 photo shows a large globe of the planet Earth, part of the Nature Research Center at the N.C. Museum of Natural Sciences addition in downtown Raleigh, N.C. The N.C.

 

              This Oct. 16, 2012 photo shows a large globe of the planet Earth, part of the Nature Research Center at the N.C. Museum of Natural Sciences addition in downtown Raleigh, N.C.   The N.C.
This Oct. 16, 2012 photo shows a large globe of the planet Earth, part of the Nature Research Center at the N.C. Museum of Natural Sciences addition in downtown Raleigh, N.C. The N.C. Museum of Natural Sciences is the most popular museum or historic site to visit in the state, toppling the Biltmore House from the ranking it's held for nine years. "Clearly, there's a widespread interest to understand what science can tell us about what's changing in our society and in the environment around us," a museum official said at a news conference Monday, March 4, 2013. (AP Photo/The News & Observer, Chris Seward) MANDATORY CREDIT