Step into Robert Kellar's physiology and anatomy class at NAU and you'll learn how the human body works. But, step into his lab an you'll learn how to grow human skin. Dr. Kellar can teach plants how to manufacture human protein.
A long-awaited report Wednesday on the Yarnell Hill Fire from last June finally provided at least some answers as to how — and more importantly why — 19 hotshots died. Arizona Public Radio’s Howard Fischer takes a closer look.