Abstract
This presentation introduces the third issue of Mɛtascience, a journal dedicated to metascientific research. It highlights ten contributions from authors with diverse backgrounds, exploring various aspects of Mario Bunge's thought and metascientific epistemology. The issue is divided into four categories: Studies on Bunge's System, Metascientific Contributions, Applications of Bungean Thought, and Around Metascience. Key topics include the characterization of metascientific epistemology, its distinction from philosophical epistemologies, and its focus on scientific constructs and epistemic operations. The issue explores applications of Bunge's systemist philosophy, conceptual modeling in information technology, and debates surrounding linguistics as an empirical science. It also addresses the relationship between epistemology, science education, and the teaching of scientific models.