Video-Enhanced Lesson

During this video-enhanced lesson, students will learn about dogs' senses and how they compare to those of human smell and hearing. (Grades 5-8)

These video clips from the NATURE episode "Dogs that Changed the World" for students to learn about dogs' senses and how they compare to those of humans.

Each of the dogs on the NATURE program is extraordinary in its own way. Here's a closer look at a few of them.

Chad, a teenager with cerebral palsy who lives near Seattle, relies on Twany, his German shepherd service dog, to help him get through the day.