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?

In the eternal dark of the deep sea, it is ice-cold and water pressure is extremely high. Mysteriously, there are blinks and flashes of light everywhere, as some of the deep sea inhabitants produce their own light. A strange world full of bizarre creatures and curious structures, such as the black smokers and the wondrous populations that thrive around them.

In our modern times, horses are amongst our best friends, whereas in former days they mainly served as a working force. Join us for a visit to a Cattle Ranch in the USA where Cowboys on Quarter Horses look after herds of cattle. These Cowboys are experts on horses and masters in riding them.

A journey to Mars or Saturn would be a dream come true for many astronauts. From launch pads, such as those at Baikonur, rockets lift off into space. How do astronauts move in zero gravity? Why do they wear spacesuits and what do they eat when in the spaceship?