The renormalization group, infinities in quantum field theories and the interpretation of quantum mechanics - J. Hajdu's two talks with academician J. Polónyi G.I. Márk, Zs. Bálint, K. Kertész, Z. Vértesy, L.P. Biró: Photonic crystals of biological origin Zs. Rajkovits: Structure colors in live Nature D. Horváth: My favorite units TEACHING PHYSICS Á. Szász, Z. Néda: Ping-pong reflecting - a computerized determination of light velocity 10 years of the Physical Miracle Palace (L. Egyed) BOOKS EVENTS SCIENCE IN BITS FOR THE SCHOOL Colors in live Nature: how do theycome about? (Zs. Rajkovits)