SETI's Seth Shostak on How, When, and Where We Will Meet Aliens

SETI's Seth Shostak on How, When, and Where We Will Meet Aliens | Popular Science: "As part of my article about the search for extraterrestrial life, I interviewed Seth Shostak, a senior astronomer at the SETI Institute in Mountain View, California, about when we'll find ET, why intelligent beings will be artificial, not biological, and why arms and legs make more sense than wheels. Here's the fascinating transcript of what he had to say."