"The authors take us on a journey to the Indonesian island of Java, where Curtis and Swisher made two important discoveries: first, that human ancestors left the Cradle of Man-kind - the African continent - and migrated east almost two million years ago, much earlier than anthropologists had believed, and second, that Homo Erectus might have survived until as late as 27,000 years ago, suggesting that Homo Erectus actually coexisted with Homo sapiens...