There are a lot of potential concerns that come with working with nuclear materials; protections for workers, the public, for the environment. But what about protecting the actual materials themselves? That's nuclear security which is "the security of nuclear materials and the facilities that house them." Newschannel5.com Duane Arnold Energy Center in Palo, Iowa’s sole nuclear power plant, will shutdown in late 2020, its owner has announced. Thegazette.com Rusatom Healthcare - a subsidiary of Russian state nuclear corporation Rosatom - and the South African Nuclear Energy Corporation (Necsa) have signed an agreement to cooperate on non-power applications of nuclear technology, particularly nuclear medicine. Under the agreement, the partners plan to construct two small-scale reactors as well as a cyclotron in South Africa for the production of medical isotopes. World-nuclear-news.org International Atomic Energy Agency (IAEA) experts have carried out a mission to review a feasibility study for the creation and location of new facilities for the management of radioactively contaminated materials at the Chernobyl nuclear power plant in Ukraine. The three-day mission was completed on 26 July. World-nuclear-news.org Cameco is extending the suspension of production at McArthur River and Key Lake "for an indeterminate duration", CEO Tim Gitzel announced yesterday. The Saskatchewan operations have been out of production since January. World-nuclear-news.org