A survey on Willmore immersions, T. Willmore; dynamics in spaces of constant curvature, P. Dombrowski; Efimov's inequality and other inequalities in a sphere, B. Smyth; moduli spaces of harmonic 2-spheres, J. Bolton and L.M. Woodward; notes on conjugate connections, K. Nomizu and U. Simon; on the decomposition theorem of Blumenthal and Hebda, H. Reckziegal; immersions with many circular geodesics, B.Y. Chen et al; human and artificial vision, L. Vangool et al; and others.