Text about the Symposium. The main objective of CTNS is to reunite specialists from different fields, such as botany, zoology, physiology, genetics, biotechnology, horticulture, environmental protection, soil science, land measurements and land improvements, biology, ecology, biochemistry, education, health and nutrition. The journal encourages the publication of the results of interdisciplinary research ans studies in natural sciences as well the publication of articles about the quality of life.