Interval training -- intense bursts of exercise followed by rest periods -- once thought to be too strenuous for normal people is now being hailed as an exercise magic pill. Some experts say interval training can revolutionize how people exercise, calling it twice as effective as moderate exercise.

An analysis of baby names recorded by the Social Security Administration shows an uptick in unusual baby names, and not only from celebrity parents. This trend toward less-common baby names reveals a culture that values individualism, researchers say.

Despite findings that happiness is largely a product of an individual's genetics, it is possible to boost one's happiness, a study finds. Being grateful and optimistic and committing acts of kindness are among the ways anyone can become happier.

In what will be relief to parents of allergic children everywhere, scientists in Cambridge, England, say they are on the verge of a cure for peanut allergies, the most deadly of food allergies. Using desensitization therapy, a group of children was exposed to small amounts of the allergen over time and tolerated it without allergic reaction.

David Benke, the middle school teacher who tackled a gunman at his school, says he knew he had time to tackle the shooter but wishes he had acted a little faster.

A British Labrador whose bomb-sniffing exploits helped save lives in Afghanistan is awarded a medal for canine courage from London's Imperial War Museum.