Describes the different types of octopuses and how they search for food and defend themselves against predators.

Describes different insects from around the world, and explains the advantages of being big or small for each insect.

Describes the behavior of prairie dogs in their native habitat, where they are the prey of larger animals and birds and where they must work together as a colony to create burrows and warning systems to protect themselves and their young.

Reveals how today's cutting-edge technology--such as x-rays, DNA testing, and forensics--is helping to teach scientists more than ever about mummies from across the world.

Follows a year in the life of a young male beaver as he swims, plays, helps his family build and repair their dam and lodge, and learns how to flap his tail to ward off predators.