It is perhaps Columbia's number one weapon in the fight to bring the neighbors on board with its campus expansion: starchitecture! There's Steven Holl's athletic facility in Inwood, locals Diller Scofidio and Renfro's B-school buildings, and Renzo Piano's Manhattanville brains center. Now the Observer has the first renderings of that project, the Jerome L. Greene Science Center, where psychologists, philosophers, artists, and science types will all hang out and study the brain. Piano wants the whole Columbia complex to resemble a "modern-day piazza." The possibilities sure get the synapses firing.