Doctors who feel burned out are more likely to cut back on hours or leave medicine entirely. This costs hospitals and health care organizations billions each year, new research finds.

In Antarctica, researchers have found patches of life, sustained in large part by droppings from seals and penguins. Changes in those populations could have ripple effects down the ecosystem.

The Fung Wah bus was a cheap and not entirely safe way to get between major cities in the Northeast. It's no longer operating, but that hasn't stopped former riders from "recreating" the experience.