Jill Rubalcaba and Peter Robertshaw recount the unearthing of four hominins--Turkana Boy, Lapedo Child, Kennewick Man, and Iceman. Each discovery leads not only to deductions that scientists made in laboratories, but also to controversial debates over the reconstruction of these ancient corpses. Experts argue, institutions throw accusations, and reputations fall apart as the brightest minds in the business try to deduce what really happened millions of years ago.

Learn how specialized the field of archaeology has become and how new technology can change both scientists' theories and the way we view the past.