About the book: 1965 / Does “manna from heaven” really exist? What causes “bloody rains”? How many years do plants and animals live? These and some other questions are answered in this brochure. The book is written popularly, equipped with illustrations and a list of recommended literature. Brochure 3. Mukasheva is part of the “Scientists Talk with Believers” series and gives readers scientific information about some biological phenomena. In the following brochures of this series, readers will be told about the achievements of physics, mathematics, astronomy and other sciences.