The material world around us, everything that exists that is not created by human activity. The laws of nature. During the preparation of space travel, humanity rises to a new level in science and technology, and penetrates even deeper into the innermost recesses of nature. R. Perelman, Starships. || The effective, creative beginning of this world. — Nature is too big for fiction! What kind of animals, what kind of birds haven't I seen! I. Krylov, Curious. Chinchilla, a small gray rodent, is famous all over the world for the fur that nature has endowed him with. Akimushkin, Animal World.