The US team was a little more interesting: they showed their subjects the movie The Good, The Bad, and The Ugly while plugging electrodes into their skull. The scientists found they could predict what scenes were being watched depending on the brainwave information. Says US scientist John-Dylan Haynes, "Our study represents an important but very early stage step towards eventually building a machine that can track a person's consciousness on a second-by-second basis."

-BBC News: 'Thoughts read' via brain scans