The 6th International Congress on Natural Sciences and Engineering will be held in Taipei, Taiwan from May 18-20, 2025. The theme of this conference is "Connecting AI." As we stand on the brink of a new era, the impact of Artificial Intelligence (AI) is becoming increasingly profound. "Connecting AI" is not just about integrating technology; it's about weaving AI into the very fabric of our daily lives, industries, and global society. This theme explores the dynamic intersections where AI meets various sectors, from healthcare and finance to education and beyond, creating a web of interconnected systems that enhance human capabilities and foster innovation.