Changes in brain activity, triggered by physical exercise, may help reduce cigarette cravings, concludes a study in Psychopharmacology. Smoky lungs and running don't mix -- the brain's bound to pick up on that.
Those who blurt out the answers in group setting are seen as more intelligent and competent, even when their answers are wrong. Researchers used this to explain how incompetent bosses survive the workplace. Worse, those who chimed in second or third, even if only to agree with the original wrong answer, were also thought of as more competent (think the office toady who shouts encouragement at a bumbling boss).