PUZZLE is an international, peer-reviewed journal dedicated to inspiring scientific curiosity and innovative thinking in young minds. Co-sponsored by the United Nations Institute for Training and ResearchUNITAR New York Office (UNITAR-NYO) and Shanghai University (SHU), our mission is to become a globally influential "Science for Youth".

As a bilingual (Chinese & English) quarterly , PUZZLE spans a wide range of fields, including mathematics, physics, chemistry, life sciences, computer science, and engineering. We provide a premier platform for young researchers, primarily aged 15–22, to publish their original work , while also welcoming contributions from established scientists and science education scholars. PUZZLE aims to foster a global community of emerging innovators and to cultivate scientific literacy and social responsibility for a sustainable future.