Collection of materials of the International Scientific and Practical Conference of Students "Youth of the 21st Century" , March 14, 2019" is a unique collection , which is the result of fruitful work of young scientists , Students and researchers , to contribute to the development of science and education. Authors, including such names as Kvasyuk C. A. , Bunevich V. In. , Kunovskaya N. and . , Ulyanova V. In. , Shmakov T. In. , Avtushko N. A. , Daniletskaya O. In. , Lapteva S. P. , Nemchenkova N. E. , Petrukovich I. In. and ran in. In. We have collected in this collection a lot of relevant and interesting research that covers a wide range of topics, from innovative technologies to social change. This book will be interesting not only for students and schoolchildren, but also for teachers, researchers and anyone interested in modern trends in science and education. It will become a real guide for young people seeking to understand how their ideas and research can affect the future. The book is suitable for readers aged 15 years and older who want to expand their horizons and deepen their knowledge in various fields. The topics raised in the collection are diverse and relevant. The authors explore the impact of technology on education, consider issues of ecology, health, social responsibility and cultural development. Each section of the book is filled with fresh ideas and original approaches, which makes it not only informative, but also inspiring. Readers will be able to see how young minds approach the challenges facing modern society, and how their research can become the basis for future discoveries. The style of the authors is distinguished by scientific rigor and at the same time the availability of presentation. They are able to convey complex ideas in simple language, which makes the book understandable and interesting for a wide audience. This quality is especially valuable for young people who are just starting their way into science and need support and inspiration. The collection also includes practical recommendations and examples, which makes it useful not only for theoretical study, but also for the practical application of knowledge. In addition, the “Collection of materials of the International Scientific and Practical Conference of Students “Youth of the 21st Century”” can be considered as an important contribution to the development of the scientific community. It demonstrates that young people are actively involved in scientific research and are ready to offer their ideas and solutions. This inspires not only the authors themselves, but also the readers, showing that everyone can contribute to the common cause. If you are looking for a book that will not only expand your knowledge, but also inspire new ideas and projects, this collection will be an excellent choice. It can be a source of motivation for young researchers, students and anyone interested in science and its future. Do not miss the opportunity to get acquainted with the works of talented authors and discover new horizons in the world of knowledge