A Biological Perspective on the Meaning of Time

Life is a phenomenon that integrates processes ranging from the near instantaneous reactions of photosynthesis to the more stately pace of evolution. How are these processes with radically different time scales    creating and maintaining the diversity of life on earth? What are the clocks that nature uses to time them? And how is modern biology being used to alter the natural time scales?

Speaker: Dr. Lynn Rothschild, NASA Ames