What fields of science are better develop in russia? why is it important for a country to develop its own science and technology? what is contributions of russia to the progress of science and technology

In my opinion the nuclear physics is the most developed field of science in Russia inherited from ex USSR. Science and technology are important for a country due to they are as locomotive for the economy. The contributions of Russia to the progress of science are confirmed by international awards including Nobel. Moreover Russia involved in space programs and european organization for nuclear research (CERN)