J. Hajdu: The correspondence principle, dispersion theory and some naturally occurring thoughts A. Patkós: Hidden symmetries in elementary particle physics G. Horváth, A. Barta, R. Hegedüs, I. Pomozi, B. Suhai, S. Åkesson, B. Meyer-Rochow, R. Wehner: Our investigations of polarized skylight near the North Pole - a possible navigation method of vikings M. Hargittai: Nuclear fission, black holes . . . a John Archibald Wheeler remembrance TEACHING PHYSICS N. Bokor: Characteristics (and differences) of electromagnetic and acoustic Doppler effects visualized by geometrical diagrams L. Keszőcze: Hungarian Secondary Schools' Round Table at Békéscsaba, March 2008 K. Radnóti: Women in the heroic years of nuclear research - II. Official declarations concerning physics teaching and research BOOKS EVENTS