The book “In Defense of Science, Bulletin No. 21”, created by the team of authors, is a bright and rich publication that will not leave indifferent those who are interested in modern scientific achievements, critical thinking and the development of the scientific community. This publication is not just a collection of articles or scientific notes, but a real challenge to modern society, its views on science and the role of scientific knowledge in our lives. It contains relevant topics that concern the minds of scientists, teachers, students and everyone who appreciates objectivity and progress. "In Defense of Science, Bulletin No. 21" is a publication that reveals to the reader the wealth of scientific ideas, demonstrates the importance of the scientific method and emphasizes the need to support and develop scientific research in the modern world. A team of authors, bringing together experts from different fields - from physics and biology to social sciences and information technology - has created a book that not only informs, but also inspires. It raises issues of ethics in science, the role of science in solving global problems such as climate change, pandemics and technological progress. This book is perfect for a wide range of readers. It will be interesting for students, graduate students, teachers, researchers and anyone who wants to understand why science is an integral part of the future of mankind. It will also attract the attention of those who are looking for arguments in defense of science in a society where sometimes skeptical or distorted opinions about scientific facts are heard. For curious readers interested in modern trends and challenges, this book will be a valuable source of information and an incentive to think. The topics raised in "In Defense of Science, Bulletin No. 21" cover a wide range of current issues. It talks about the need for critical thinking, the importance of scientific methods for the development of technology and medicine, as well as the importance of scientific ethics and the responsibility of scientists to society. A special place is occupied by the discussion of the role of science in the formation of a sustainable future, the fight against misinformation and the need to support young scientists. The team of authors masterfully combines an analytical approach with a lively style, making complex topics accessible and exciting for readers with different levels of training. The style of the authors is distinguished by clarity, logic and passion for the cause. They are able to interest, causing a desire to delve into the topic, understand the essence of scientific processes and assess their significance for each of us. Inspired by classical works of scientific journalism, the authors create a work that not only informs, but also motivates to an active position in defense of science, to the development of critical thinking and scientific literacy. If you are looking for a book that will help you understand why science is not only complex formulas and experiments, but the foundation of the future, and you want to learn how you can support and protect the scientific community, “In Defense of Science, Bulletin No. 21” will be a real discovery for you. This book is an important contribution to the modern scientific discussion, which will not leave indifferent any reader who appreciates the knowledge, progress and development of mankind.