A worker at an MIT nuclear reactor facility has been exposed to "higher-than-normal" levels of radiation. Between July 1 and September 30, the worker had been exposed to 80 percent of the total radiation a person should ever encounter in a year. We presume that the worker has been moved to an other department. MIT swiftly issued a "don't panic" statement, saying that the worker is okay. The Nuclear Regulatory Commission is inspecting the facility......