The Cretaceous Past

When a Tyrannosaurus rex suffers pain from meat trapped between its enormous teeth, a nearby colony of ants risks entering the great creature's maw to make their own repast from the remains of the dinosaur's most recent meal. From this humble beginning, over the course of millennia, a symbiotic civilization achieves amazing advances, reaching dizzying heights in countless endeavors scientific and social, facing dangers and exploiting opportunities at every turn.