Science searches for: "Semiconductor, solar" (Kvant engineers use solar energy, create a new type of solar cells, solar batteries). 2. Scientists-national economy: "Wild become domestic" (Institute of Cytology and Energy of the Siberian Academy of Sciences of the USSR: domestication of wild animals - foxes, genetic experiments). 3. "Scouts of ocean depths" (Institute of Oceanology of the USSR Academy of Sciences: diving to the ocean floor in specialized underwater vehicles, research of underwater depths). 4. Pages of history: "Reborn sounds" (findings of the Novgorod archaeological expedition, reconstruction of musical instruments, harp, pipe, Novgorod Kremlin).