ORONO, Maine, May 8 (TNSres) -- The University of Maine issued the following news release: Scattered across the Penobscot Experimental Forest are veritable treasure troves for its denizens, each containing riches beyond comprehension. These caches do not contain gold or jewels - they're filled with eastern white pine seeds and were placed by a team of researchers at the University of Maine for one purpose: to catch furry thieves red-handed. Brigit Humphreys, a UMaine graduate student studying  more