The ugly origins of Florida's beautiful, mysterious tree islands

Many have marveled at the strange beauty of the tiny "tree islands" of the Florida everglades. How did they get there? Why do such small piles of land manage to sustain such healthy trees? Today, McGill paleoecologist Gail Chmura answered that question. Her research suggests strongly that the trees were originally… »3/21/11 6:57pm3/21/11 6:57pm