YouTube Direct

http://keelingcurve.ucsd.edu/

Uploaded on Apr 14, 2011
www.ted.com When film critic Roger Ebert lost his lower jaw to cancer, he lost the ability to eat and speak. But he did not lose his voice. In a moving talk from TED2011, Ebert and his wife, Chaz, with friends Dr. Dean Ornish and John Hunter, come together to tell his remarkable story.

Don Pettit is an Oregon State University alumnus, chemical engineer, and NASA astronaut.

I saw him speak here at OSU a few weeks ago.