It is an honor for us to present the book named Natural Sciences: Methods and Applications. We are happy to contribute to the topics mentioned in this book scientifically at international level. This book was published for the first time and prepared in chapters. The book consists of six chapters that describe new and current issues, after a brief introduction at first. It is a professional book in the field of Natural Sciences with important applications and methods. It includes very effective views and the latest determinations of scientists in the fields of Natural Sciences especially in chemistry, biology and physics. This book has been prepared with the idea of partly refill the gaps in the aforenamed fields in our country and in the world and to make use of undergraduate / graduate students and our colleagues working in the fields of natural sciences.