When people play the original Tetris, it pretty soon becomes obvious that the player's worst enemy is not time or speed but unwanted holes. The Deep Drop tries to eliminate that problem. At the end of ...

Dr. Ned Hallowell coined the term "the cough drop sign" in his 1994 book, "Driven to Distraction," based on a story a patient told him. But the psychiatrist and leading ADHD expert, who has the ...