When you gaze into your sweetheart's eyes, look for enlarged pupils. Studies show that our pupils dilate when we feel strong emotions. Psychologist Bruno Laeng, of the University of Oslo, explains how scientists are using "pupillometry" and what pupil diameter suggests about mental activity.
Dan Brown, author of the blockbuster The Da Vinci Code, is back with his first novel in four years. Inferno follows academic hero Robert Langdon on a chase through Italy as he attempts to avert a biological catastrophe.
Designer Katie Shelly's upcoming cookbook offers 50 illustrated recipe "blueprints" for basic meals — from simple snacks to more hefty dishes like eggplant Parmesan. She hopes they'll inspire any level of cook to improvise in the kitchen.
The Model S from electric car manufacturer Tesla has been named Motor Trend Car of the Year. But the company's business model is under attack by a formidable foe: the National Automobile Dealers Association, one of the most powerful lobbying groups in Washington.