Adam Wilson posted two messages on Twitter on April 15. The first one, "GO BADGERS," might have been sent by any University of Wisconsin-Madison student cheering for the school team. His second post, 20 minutes later, was a little more unusual: "SPELLING WITH MY BRAIN." Wilson, a doctoral student in biomedical engineering, was confirming an announcement he had made two weeks earlier -- his lab had developed a way to post messages on Twitter using electrical impulses generated by thought. ...

CNN's Larry King talked with former President Bill Clinton on Tuesday night at the William Jefferson Clinton Center in Little Rock, Arkansas. In a wide-ranging interview, King talked with Clinton about the stimulus bill, the auto bailout, President Barack Obama's BlackBerry, Chelsea Clinton's future, Sarah Palin and more. The following transcript has been edited for brevity and clarity: Larry King: The stimulus bill passed today [Tuesday]. The president signed it in Denver. Is it going to work Bill ...