"A plague is spreading throughout the Florida Everglades. Nonnative Burmese pythons--one of the largest snakes on the planet--are now known to be reproducing freely in the shallow waters of the famed River of Grass. Over the past decade, thousands of pythons have made themselves at home across the landscape. And though scientists work feverishly to learn as much as possible about this unprecedented invader, methods of control remain elusive. Many...