Seen coiled around a branch in an undated picture, a new species of snake called the ruby-eyed green pit viper (Cryptelytrops rubeus) has been discovered in Southeast Asia, according to a recent study. The snake lives in forests near Ho Chi Minh City and across the low hills of southern Vietnam and eastern Cambodia's Langbian Plateau. Scientists collected green pit vipers from Thailand, Laos, Vietnam, and Cambodia between 1999 and 2003 and examined them in the lab, using physical characteristics and genetics to identify new species. "We know this species from only a few specimens, and very few people in...