Puzzle News Music, not gadgets, related to teenagers' headaches Believing stereotype undermines girls' math performance: Elementary school women teachers transfer their fear of doing math to girls, study finds New record in the area of prime number decomposition of cryptographically important numbers Few gender differences in math abilities, worldwide study finds Understanding interaction in virtual worlds Video games: Racing, shooting and zapping your way to better visual skills Math goes viral in the classroom Sexual offenders use the Internet to fast track abuse of children Examining mathematical abilities in children with fetal alcohol spectrum disorder