What if instead of worrying about refilling the coffee in your office, you had to constantly keep track of the levels of radiation in your body? That's exactly what some commercial divers have to do, as detailed in a feature from Popsci that explores the risky business of nuclear diving — a job that sends divers into the irradiated waters of nuclear power plants to make inspections and repairs that keep plants safe and running smoothly, without having to undergo the expensive process of draining cooling pools. At a time when concern over nuclear power mounts globally, it's a fascinating story about an world well known for its extreme attention to risk management, and the risk-seekers that eagerly plunge into it.