What good is a rattlesnake? What purpose do animals serve? All species play a vital role in their biological communities, and the removal of just one can have a noticeable and catastrophic ripple effect.Yet social and political pressures frequently pit species conservation against economic progress and prosperity, and scientists fear that we may be in the midst of a mass extinction event. Brian R. Chapman and William I. Lutterschmidt make the case that the effort to preserve animal...

The story of friends, family, hometown values – and an entrepreneur who changed American healthcare forever In 1961, David Jones and another young lawyer borrowed $1,000 each to build a nursing home. That modest investment turned into Humana: first the largest nursing home company in the U.S., then the largest hospital corporation, and today one of the nation's largest health insurance companies, with 65,000 employees and a value of $65 billion. “I've always believed there's nothing being ...