41 Arranging and conducting of colloquiums in the fields of architecture, physics, engineering, biotechnology, building physics, biology, chemistry, circadian rhythms, production of vitamin D, prevention and treatment of mental and physical diseases, medicine and the medical aspects of aging, healthy aging, normal aging, physical health, mental health, healthy living, and psychology; organization of exhibitions for cultural or educational purposes; arranging and conducting of educational conferences, congresses, and symposiums in the fields of architecture, physics, engineering, biotechnology, building physics, biology, chemistry, circadian rhythms, production of vitamin D, prevention and treatment of mental and physical diseases, medicine [ and the medical aspects of aging, healthy aging, normal aging, ] physical health, mental health, healthy living, and psychology; [ organization of educational competitions and award ceremonies in the fields of architecture, physics, engineering, biotechnology, building physics, biology, chemistry, circadian rhythms, production of vitamin D, prevention and treatment of mental and physical diseases, medicine and the medical aspects of aging, healthy aging, normal aging, physical health, mental health, healthy living, and psychology; ] arranging and conducting of workshops and training courses in the fields of architecture, physics, engineering, biotechnology, building physics, biology, chemistry, circadian rhythms, production of vitamin D, prevention and treatment of mental and physical diseases, medicine and the medical aspects of aging, healthy aging, normal aging, physical health, mental health, healthy living, and psychology; publication of texts, other than publicity texts; providing on-line non-downloadable videos in the fields of architecture, physics, engineering, biotechnology, building physics, biology, chemistry, circadian rhythms, production of vitamin D, prevention and treatment of mental and physical diseases, medicine and the medical aspects of aging, healthy aging, normal aging, physical health, mental health, healthy living, and psychology; [ providing non-downloadable electronic publications in the fields of architecture, physics, engineering, biotechnology, building physics, biology, chemistry, circadian rhythms, production of vitamin D, prevention and treatment of mental and physical diseases, medicine and the medical aspects of aging, healthy aging, normal aging, physical health, mental health, healthy living, and psychology; ] publication of printed matter in the fields of architecture, physics, engineering, biotechnology, building physics, biology, chemistry, circadian rhythms, production of vitamin D, prevention and treatment of mental and physical diseases, medicine [ and the medical aspects of aging, healthy aging, normal aging, ] physical health, mental health, healthy living, and psychology in electronic form on the Internet