It's not violence on the job that makes some pro football players beat their wives or children, psychologists say. It's often childhood experience, fanned by a culture that accepts such behavior.
Angela Stimpson donated a kidney to a complete stranger. Why did she do it? Researchers found that the brains of Stimpson and other altruists are sensitive to fear and distress in a stranger's face.
Palestinian kids in Gaza went back to school this past week in buildings damaged by the war, with children homeless and traumatized, and more than the usual overcrowding they face every year.
Chronic stress can lead to heart disease, cancer and other health problems. A study shows it doesn't matter if the stress comes from major life events or minor hassles. Time to take a deep breath?
Busy schedules and long hours of training are partly to blame for the ever-shrinking volunteer pool.
In most stores, you can see how much everything costs. Why do jewelry stores hide the price tags?
More than 120 leaders are expected to attend the one-day summit sponsored by the United Nations. They have been instructed to arrive Tuesday with "bold ideas" to slow the rise in global temperatures.