Gilles Laurent: The Sense of Smell: A Window into the Brain and Memory 2/23/2005 [56k modem] [cable/DSL] [broadband] 70 minutes In a Watson lecture, Gilles Laurent, Hanson Professor of Biology and Computation and Neural Systems at Caltech, summarized some of the recent advances in research on the sense of smell, and showed how old brain circuits may help us understand the neuronal nature of memories.