About the book: 1969 / The collection “Paths into the Unknown” consists of essays devoted to a variety of problems of science and culture. It talks about the work of physicists and the search for the anonymous correspondent of Herzen’s “Bell”; about the merging of economics with mathematics and the grandiose experience of re-creating nature in the arid steppe; about experimentally raised freak animals, which are used to study the secrets of brain activity, and about agrochemical discoveries that can bring a radical revolution in agriculture; about collecting books and the work of restorers; about philosophical questions of physics and about a completely new, just emerging science about the sounds of nature, about their connection with music, about the influence of music on living beings and even on plant growth. The authors of the collection are writers, scientists, publicists.