Natural science sciences, there are three great branches of "natural science" which stand apart by reason of the variety of far reaching deductions drawn from a small number of primary postulates — they are mechanics, electrodynamics, and thermodynamics. Today, natural sciences are more commonly divided into life sciences, such as botany and zoology; and physical sciences, which include physics, chemistry, geology, astronomy, and materials science. Natural science Natural science is a branch of science concerned with the description, prediction, and understanding of natural phenomena, based on empirical evidence from observation and experimentation. Mechanisms such as peer review and repeatability of findings are
Science and technology in the Soviet Union ministries. The core of fundamental science was the USSR Academy of Sciences, originally set up in 1925 and moved from Leningrad to Moscow in 1934. It consisted of 250 research institutes and 60,500 full-time researchers in 1987, a large percentage in the natural sciences such as biology. All of the union's republics except the RSFSR had their own republican academies of science, while the Urals, Siberian, and Far Eastern regional branches of the academy coordinated fundamental science in Eastern Russia. Medical research was coordinated by the USSR Academy of Medical Sciences (), which after 1992 was reorganized into the Russian