Omar Yaghi delivered his Nobel Prize lecture "Metal-Organic Frameworks - From Molecules to Society" on 8 December 2025 at the Aula Magna, Stockholm University. He was introduced by Professor Olof Ramström, Member of the Nobel Committee for Chemistry. Susumu Kitagawa, Richard Robson and Omar M. Yaghi were awarded the Nobel Prize in Chemistry 2025 for the development of a new type of molecular architecture. © Nobel Prize Outreach