Examinations into an Internet attack on Estonian banks and newspapers; new technology that is helping children with Asperger's Syndrome; the disappearance of home chemistry sets; and surgery performed by a "robo-doc."

Correspondent Josh Davis of Wired magazine investigates an Internet botnet attack on Estonia's banks and newspapers; host/field producer Ziya Tong delves into technology that is helping children with Asperger's Syndrome by translating facial expressions into emotions; special correspondent Adam Rogers explores the disappearance of home chemistry sets; and WIRED SCIENCE reports on cardiac surgery performed by a "RoboDoc."