November 5, 2005 • 30m
The first episode begins with an illustration of the giant impact hypothesis: approximately 4.4 billion years ago when the Earth w...Read more
November 5, 2005 • 30m
The reptiles evolve, and the race for survival continues on land. Giant arthropods lurk in the Carboniferous forest, and sail-back...Read more
November 5, 2005 • 30m
By the late Permian period, a furry, ferret-like mammal had evolved onto two feet, vaguely resembling the human form. Could this be our ancestor?