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In 2011, the most severe nuclear accident since Chernobyl occurred at the Fukushima Daiichi nuclear power plant site in Japan. The accident was classified at the highest level of the International Nuclear Event Scale (INES).
L. Friedenberg, O. Czaikowski, K. Jantschik, A. Pogalski, BGE-TEC, BGR, IfG, Sandia, TUC, UU
S. Hagemann, T. Meyer, H. Mönig, B. Bischofer, K. Jantschik

Carbohydrates, fats, proteins, minerals, vitamins and water are among the nutrients that the human metabolism needs to live. Natural or artificial radioactive materials also find their way into food in various ways. In order to calculate the radiation dose, the quantities of certain food consumed are used. Researchers at GRS have analysed consumption studies and recorded the quantities of different food groups consumed in Germany according to region and age.
The Russian invasion is affecting the lives and safety of people in Ukraine on many levels. With the capture of the nuclear power plant sites at Chernobyl - which is now back under Ukrainian control - and Zaporizhia, nuclear facilities have also been included in the hostilities and have therefore increasingly become the focus of public attention. GRS has been in close professional contact with Ukrainian partner organisations for decades, whereby the security of the facilties, i.e. their physical protection, also plays a role. On behalf of the Federal Foreign Office, GRS is working with Ukrainian and national partners to implement specific measures that contribute to improving the security of the facilities there.

Since the annexation of Crimea in 2014, GRS has been working with Ukrainian partners to strengthen the security of nuclear facilities in the country. The projects are funded by the German Federal Foreign Office (AA). In our interview, Dr Stephan Theimer, who heads one of these projects, talks about the challenges that the war poses for day-to-day work, what the current situation means for the security of the facilities, and what he would like to see in future cooperation.
C.-L. Zhang, A. Rogalski, O. Czaikowski
A. Schneider, N. Conen, A. Gehrke, J. Hilbert, M. Knodel, K.-P. Kröhn, M. Lampe, L. Larisch, B. Lemke, A. Nägel, T. Schön, F. Salfelder, M. Stepniewski, G. Wittum, H. Zhao

In Germany, around 1.1 million people live in so-called radon-prone areas. In these regions, a high radon concentration can be expected in significantly more buildings than the national average. The new GRS "Radon Dose" app estimates the personal radiation dose at the places of residence and work, based on measured or estimated radon levels.