This week in Studio 360, the material is the message. Host Kurt Andersen and curator Paola Antonelli talk about how materials drive art and design. Hear why Pop artist Ed Ruscha started drawing in blood and chocolate. We’ll listen to a string quartet play four instruments cut from a single maple tree.Plus, a convicted robber takes up embroidery in prison, and an amateur flutist goes to Mongolia to learn to play like a goatherd.