S pace nuclear power is a doubleedged sword. Although it has played a constructive role in the exploration of space and could continue to do so, it has been burdened by an extensive history of aCCidents and failures, both Soviet and American. Numerous nuclear-powered spacecraft have released radioactive materials. Spent reactors now in Earth orbit exacerbate the threat posed by orbital debris. ...

today, nuclear medicine has rapidly been developed so that in some cases, plays a unique role in diagnosis but unfortunalty in spite of diagnostic and therapeutic advantages, the term “nuclear” can induce worries in patients and society. in this article, base on new documents, we intend to show that this worries has no scientific basis. to produce a realistic view, regarding to radiation protec...

An example of our fruitful collaboration and teamwork was the reciprocal and complementary contributions for the development of UNSCEAR and WHO reports related with the Chernobyl and Fukushima-Daichi nuclear accidents. Our successful cooperation also included the evaluation of risks of the exposure to radon and other natural radiation sources as well as the assessment and communication of radia...

  Today, nuclear medicine has rapidly been developed so that in some cases, plays a unique role in diagnosis but unfortunalty in spite of diagnostic and therapeutic advantages, the term “NUCLEAR” can induce worries in patients and society. In this article, base on new documents, we intend to show that this worries has no scientific basis. To produce a realistic view, ...