In this lesson, students use segments from the NATURE episode "Salmon: Running the Gauntlet" to explore ways in which humans have impacted salmon populations.

These video clips from the episode "Salmon: Running the Gauntlet" explore ways in which humans have impacted salmon populations.

In this lesson, using video segments from the NATURE episode “A Murder of Crows,” students will explore different aspects of animal intelligence, with a focus on crows. Students will also examine the process of scientific investigation, and how conducting experiments contributes to knowledge and an understanding of animal intelligence.

These video clips from the episode "A Murder of Crows" can be used in the classroom to explore different aspects of animal intelligence, with a focus on crows. The segments also demonstrate the process of scientific investigation, and how conducting experiments contributes to knowledge and an understanding of animal intelligence.

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.

This lesson, using video from NATURE's Hummingbirds: Magic in the Air, is comprised of four mini-lesson plans – each designed to be completed in one class period – introducing and explaining four different concepts found in the high school physics curriculum.

These video clips from the episode, Hummingbirds: Magic In the Air can be used in the classroom to introduce and explain four different concepts found in the high school physics curriculum.

Using clips from NATURE, in this lesson students will learn about the various attributes of different predators on the African grasslands.