Looks at the Panamanian golden frog, the national symbol of Panama, which has been vanishing due to a fungus infection, and follows a team of scientists working to save these frogs and protect frog populations worldwide.

Discusses the processes used by scientists to discern the identity of the Kennewick Man and what this nine thousand-year-old skeleton revealed about the arrival of humans in North America.

Award-winning author Sally M. Walker brings colonial American history to life through the discovery of an important homestead in seventeenth-century Maryland. She follows the painstaking work of scientists and historians to coax fascinating stories out of the long-crumbled walls.