Nuclear Energy Trade-Off

Nuclear power plants run on the energy from uranium-235 fission — splitting heavy atoms to release enormous heat that boils water and drives turbines.

In a medical scan, doctors inject technetium-99m, a radioactive isotope that travels to a target organ and emits gamma rays from inside. A camera outside the body detects those rays and maps where the isotope collects, revealing how an organ is working — not just its shape.