Marco Iacoboni, a lab director at the UCLA Brain Mapping Center, says when people see a smile, so-called mirror neurons fire in their brain and evoke a similar neural response as if they were smiling themselves.

WSJ: Stress-Busting Smiles

The Center of Excellence in Nutritional Genomics at the University of California, Davis is mapping nutritional interventions by genetic make-up.

FORBES: Nutrigenomics: You Really Are What You Eat

The study, entitled Mapping a National Security Failure: The Ratification of the New START Treaty , was authored by Center Vice President Ben Lerner.

CENTERFORSECURITYPOLICY: Center For Security Policy