CNN - Behavioral screening -- the future of airport security?
CNN reports: "Several Israeli-based technology companies are developing detection systems that pick up signs of emotional strain, a psychological red flag that a passenger may intend to commit an act of terror. Speedier and less intrusive than metal detectors, these systems may eventually restore some efficiency to the airplane boarding process."

Comment: Well, this can't be good for nervous travelers. I wonder how the system would take into account that fact that many people experience emotional strain from the modern travel experience? There's nothing relaxing about going to an airport these days and a system that focuses on signs of emotional stress is bound to have many false positives, I can't see this being very helpful from a security standpoint.