The secrets of the polar lights, which are surrounded by religious veneration among many peoples; thousand-year rhythms of solar activity, sometimes turning into a disaster for all living things; The geological history of the Earth, which is largely unclear to us, is inextricably linked with the mysteries of the origin and development of life on our planet - these are the main themes of the book by the writer, geophysicist, and journalist Alexander Alexandrovich Gangnus. Synthesizing the achievements of geology and biology, geophysics and genetics, the author comes to unexpected and unique conclusions...