Most people are repulsed by the sight of a cockroach … but we hear why Johns Hopkins researcher Sean Gart at the Terradynamics Lab finds inspiration in the creepy- crawlers … to inform robotic design. And we talk with Derek Paley, director of the Collective Dynamics and Control Laboratory at the University of Maryland-College Park. He examines the fluid movements of fish to improve underwater vehicle function and tells us why scientists look to nature for answers.