"Science in Questions and Answers" is a universal encyclopedia for children that broadens their horizons and tells about science, technology, nature, travel, and inventions. From this book, the reader will learn why Moscow is called the “Third Rome,” which bird flies the farthest to wintering grounds, why Swiss cheese has holes, when people started brewing coffee, how a chameleon changes colors, and much more. The edition was prepared together with the magazines “Young Technician” and “And Why?”