Can We Talk to E.T.? Workshop Mulls Alien Intelligence

Scientists are gathering in Puerto Rico today (May 18) to discuss the many forms alien intelligence could take. During the daylong workshop, called "The Intelligence of SETI: Cognition and Communication in Extraterrestrial Intelligence," astronomers, biologists and other researchers will discuss the best ways to craft a message that could potentially be understood by alien civilizations. "Philosophical questions aside, from a pragmatic perspective, if we are to send a message, we must desig