WIRED SciencePhysicists Try to Revive a Super-Safe, Decades-Old Cancer Treatment
In a room at Northwestern Medicine Chicago Proton Center, Robert Johnson keeps a small collection of plastic heads. At first glance, they look like they’ve been lopped off the top of department store mannequins. But they’re more lifelike than that—made of materials that mimic bone, flesh, and brain. “One of them even has a gold filling,” he says.
