 Starting here in the U.S. with a story that should be numbnuts of the week, but it's too serious for that. In Ohio, in 2019, the Zahn's Corner Middle School was closed following the discovery of radioactive isotopes of enriched uranium within the building. Dr. Michael Ketterer, Professor Emeritus of Chemistry and Biochemistry at Northern Arizona University, published a comprehensive 155-page report detailing the contamination.