Completion of the Ohma nuclear power plant, under construction in Japan's Aomori prefecture, will be delayed by a further two years owing to the regulator's ongoing review of enhanced safety measures at the plant. World-nuclear-news.org Denison Mines Corp is to increase its share of the Wheeler River uranium project in Canada's Athabasca Basin to 90% after agreeing an acquisition of Cameco Corp's minority interest. World-nuclear-news.org Bruce Power is set to place medical-grade cobalt into unit 8 of its nuclear power plant in Ontario, meaning all four Bruce B units will now produce high specific activity (HSA) cobalt, which is used to treat brain tumors worldwide. World-nuclear-news.org The number of nuclear reactors under construction has been steadily decreasing for the last five years and the annual increase in power generation by wind and solar sources has by far surpassed that of nuclear energy, a report says. Nucnet.org