Reviews of topical problems

E.E. Boos, O. Brandt, D. Denisov, S.P. Denisov, P. Grannis “The top quark (20 years after the discovery)” Phys. Usp. 58 1133–1158 (2015)

P.I. Arseev “On the nonequilibrium diagram technique: derivation, some features and applications” Phys. Usp. 58 1159–1205 (2015)

Physics of our days

G.S. Golitsyn “Galaxy clusters, similarity parameters and ratios between measurable characteristics” Phys. Usp. 58 1206–1214 (2015)

Methodological notes

N.A. Miskinova, B.N. Shvilkin “On the penetration of a plasmoid through glass” Phys. Usp. 58 1215–1217 (2015)

Letters to the editors

V.F. Zhuravlev “Once more on the dynamics of the rattleback (comment on "Strange attractors in rattleback dynamics" by A.V. Borisov and I.S. Mamaev [Usp. Fiz. Nauk 173 407 (2003); Phys. Usp. 46 393 (2003)] and "Nonlinear dynamics of the rattleback: a nonholonomic model" by A.V. Borisov, A.O. Kazakov, S.P. Kuznetsov [Usp. Fiz. Nauk 184 493 (2014); Phys. Usp. 57 453 (2014)])” Phys. Usp. 58 1218–1219 (2015)

A.V. Borisov, I.S. Mamaev “Notes on new friction models and nonholonomic mechanics” Phys. Usp. 58 1220–1222 (2015)

S.P. Kuznetsov “On the validity of nonholonomic model of the rattleback” Phys. Usp. 58 1223–1224 (2015)

Personalia

M.B. Voloshin, M.I. Vysotskii, S.S. Gershtein, S.I. Godunov, M.V. Danilov, A.D. Dolgov, B.L. Ioffe, A.Yu. Morozov, V.A. Novikov, L.P. Pitaevskii, V.A. Rubakov, V.E. Fortov “In memory of Lev Borisovich Okun” Phys. Usp. 58 1225–1227 (2015)

Bibliography

E.V. Zakharova “New books on physics and related sciences” Phys. Usp. 58 1228–1229 (2015)

Physics news on the internet

Yu.N. Eroshenko “Physics news on the Internet (based on electronic preprints)” Phys. Usp. 58 1230–1231 (2015)