March 9, 2006—It's the ultimate think tank, housing more than 6,000 samples of human intelligence. Specimens from the Harvard Brain Tissue Resource Center in Belmont, Massachusetts, provide researchers with clues to some of the biggest mysteries about how the mind works and how to combat neural disease.

Watch as technicians race to prepare a new arrival, and see how scientists who draw on the brain bank are making the best use of this unusual resource.