Science Nation - Antarctica Rocks! Video

Geologist John Goodge looks for clues about Antarctica's past in the two percent of the continent that is not covered in ice! The University of Minnesota, Duluth professor studies rocks that help provide evidence about how this desolate continent has formed and changed over time. He also hopes to get a better idea of what the Earth looked like long before the seven continents we have now. Goodge and his colleagues are supported by the US Antarctic Program, which is managed by the National Science Foundation...