In labs across the nation, researchers are using technologies originally developed to examine diseases, brain activity, obesity and even learning disorders to try to solve some of the mysteries of human conduct. The provocative idea behind some of the research is to go beyond measuring the anxiety of a liar ? as polygraphs try to do ? and to catch the lies as they form in the human brain.
A special United Nations task force has proposed that cloning to create a human baby be banned in all of the body's 190 member states, a step that experts say is unprecedented in the U.N.'s 57-year history.