The body of the blue whale is so enormous that it can only be fully observed from the air. We find the friendly giants from the sea highly fascinating. However, many secrets about these marine mammals still remain to be discovered. To whom is the humpback whale singing? And how intelligent are dolphins really?

Once the Earth was ruled by colossal dinosaurs. Whilst giant sauropods were harmless herbivores and peacefully fed on plants, other dinosaur species like Tyrannosaurus Rex were ferocious predators. Yet, how powerful those enormous reptiles may have been: their mighty reign was terminated forever by an enormous catastrophe.

Since Life has existed on Earth, new species have emerged whilst others have become extinct. What kind of place was it where life first appeared? How does evolution affect the development of species? What is a living fossil? And why are so many animal species of our time threatened by extinction?