RNA Lectures 2 - RNA as an Enzyme

Thomas Robert Cech is a Nobel Laureate in chemistry for his discoveries of the catalytic properties of RNA.

Part 1 - Catalysis: Chemical and Biochemical
http://www.videosift.com/video/RNA-Lectures-1-Catalysis-Chemical-and-Biochemical
Part 3 - How to Accelerate a Reaction 100 Billion Times Using Only RNA
http://www.videosift.com/video/RNA-Lecture-3-Accelerating-a-Reaction-100-Billion-Times