Can cats be "trained"? These talented felines can navigate an agility course.

(Premieres Sunday, October 25) It's springtime, and competition among stallions is fierce. Who will emerge victorious?

In this lesson, students will use segments from Nature: Wild Balkans to explore the roles and interrelationships of organisms in the varied environments of the Balkan Peninsula.

These video segments from Nature: Wild Balkans are designed for classroom use for students to explore the roles and interrelationships of organisms in the varied environments of the Balkan Peninsula.