Psychopaths make up 4.5% of the population according to new analysis.
A complete count of Americas Olympic medals.
O.J. Simpson says he won't go to L.A. because he might run into Nicole's real killer.
NASA begins search for people to live on a fake Mars.
Jake Gyllenhaal becomes the face of Prada's Luna Rossa Ocean fragrance.
A woman accidentally drove off a cliff in Santa Cruz after a stranger mistakenly opened her door.