Want to watch better-quality PBS Video? Sign in to access higher-quality streaming!

By signing in, you are authorizing PBS to share your email address with your local PBS station to send you periodic communications about station events, services and support. Any other uses of your information by PBS are governed by PBS’s Privacy Policy.

Closed Captioning Settings


Captions look like this

Captions size

  • 15

Captions font family

Edge style

Captions color

Background color

Window color

Text Opacity

  • 100%

Background Opacity

  • 100%

Window Opacity

  • 0%
  • Save Settings
  • Reset


Breathing Uneasy: Behind-the-Scenes at the Controlled...

  • Aired: 06/17/2011
  • 06:11
  • Rating: NR
Behind the scenes with Dr. Joel Kaufman at the University of Washington's Controlled Exposure Lab, where scientists study the physiological effects of diesel fume exposure to people and animals.
Embed Options
Close ×
Breathing Uneasy: Behind-the-Scenes at the Controlled... image
Breathing Uneasy: Behind-the-Scenes at the Controlled...
Testing diesel exposure on humans and animals at the University of Washington.
Please copy this text to your clipboard.
Problems Playing Video ?


Watch videos from your favorite PBS KIDS shows with the PBS KIDS Video app for your tablet or phone.

Downton Abbey Collection

Bring home the complete collection: DVDs, Blu-rays, books, gifts and more. Visit ShopPBS.


MPBN helps all of us explore new worlds and ideas. Give Now