Barcelona, Spain – The 2023 International ArtScience Olympiad (IASO) successfully concluded at the Barcelona Hub of the International Olympic Innovation Organization (IOIO) from August 17 to 20. Over four days, 428 teenage participants from 19 countries – spanning Japan, Brazil, South Africa, Germany, and the United States, among others – gathered to explore the theme "Harmony." The event, which combined a competitive contest, a public exhibition, and a research program, drew over 5,000 visitors and established itself as a landmark for youth-driven, cross-disciplinary collaboration.