Ah, Mondays. Wonder why your employees are all yawning and glassy-eyed today? It may be easy to blame it on the hot weather or overindulgences over the weekend, but researchers are pointing fingers at ...

A reader reports having a not uncommon symptom: a failure of his Mac to go to sleep when selected. In his case, he traced it to his Wacom Graphire 2 USB tablet. He writes: "Whenever I leave the mouse ...