http://phys.org/ en-us Phys.org internet news portal provides the latest news on science including: Physics, Nanotechnology, Life Sciences, Space Science, Earth Science, Environment, Health and Medicine. Choi Hyun-Min loses all track of time when he sits down to play computer games, but the sessions usually last at least 10 hours. http://phys.org/news227678554.html Medicine & Health Sun, 19 Jun 2011 05:05:32 EST news227678554