| Lecture Nov. 28 on Glacial Evidence for Global Warming - 11/20/2007 Not just your everyday climate change, says renowned geologist. A Prehistoric Forest Rises From a Farmer's Pond - 2/27/2008 The remains of a forest that may have been covered by the last glacier to melt on the Upper Peninsula of Michigan more than 10,000 years ago has been found in a farmer's pond. |