Just three minutes of playing Tetris on a smartphone could abate cravings for drugs, cigarettes, alcohol, coffee, food, sex and even sleeping by as much as one fifth, according to a new study.

He's managed to squeeze the classic Tetris game into a 60KB PDF file that can run right in your browser. The creation, dubbed "Pdftris" by its maker Thomas Rinsma, lets you play the addictive ...