Reviews of topical problems

V.V. Brazhkin, A.G. Lyapin, V.N. Ryzhov, K. Trachenko, Yu.D. Fomin, E.N. Tsiok “Where is the supercritical fluid on the phase diagram?” Phys. Usp. 55 1061–1079 (2012)

A.V. Dorofeenko, A.A. Zyablovsky, A.A. Pukhov, A.A. Lisyansky, A.P. Vinogradov “Light propagation in composite materials with gain layers” Phys. Usp. 55 1080–1097 (2012)

Physics of our days

O.V. Verkhodanov “Searching for non-Gaussianity in the observational cosmic microwave background data” Phys. Usp. 55 1098–1114 (2012)

Instruments and methods of investigation

S.P. Vyatchanin, S.E. Strigin “Parametric oscillatory instability in gravitational wave laser detectors” Phys. Usp. 55 1115–1123 (2012)

Methodological notes

A.V. Kukushkin, A.A. Rukhadze, K.Z. Rukhadze “On the existence conditions for a fast surface wave” Phys. Usp. 55 1124–1133 (2012)

From the history of physics

G.B. Malykin, V.S. Savchuk, E.A. Romanets “Lev Yakovlevich Strum and the hypothesis of the existence of tachyons” Phys. Usp. 55 1134–1139 (2012)

Conferences and symposia

“Physical properties of graphene (Scientific session of the Physical Sciences Division of the Russian Academy of Sciences, 28 March 2012)” Phys. Usp. 55 1140–1151 (2012)

L.A. Falkovsky “Magnetooptics of graphene layers” Phys. Usp. 55 1140–1145 (2012)

A.A. Varlamov, A.V. Kavokin, I.A. Luk’yanchuk, S.G. Sharapov “Anomalous thermoelectric and thermomagnetic properties of graphene” Phys. Usp. 55 1146–1151 (2012)

Letters to the editors

V.I. Klyatskin “Spatial structures can form in stochastic dynamic systems due to near-zero-probability events (comment on “21st century: what is life from the perspective of physics?” (Usp. Fiz. Nauk 180 337 (2010) [Phys. Usp. 53 327 (2010)]) by G R Ivanitskii)” Phys. Usp. 55 1152–1154 (2012)

G.R. Ivanitskii “Memory about the past is beneficial for survival and reproduction (reply to comment (Usp. Fiz. Nauk 182 1235 (2012) [Phys. Usp. 55 1152 (2012)]) by V I Klyatskin on “21st century: what is life from the perspective of physics” (Usp. Fiz. Nauk 180 337 (2010) [Phys. Usp. 53 327 (2010)]) by G R Ivanitskii)” Phys. Usp. 55 1155–1160 (2012)

Personalia

A.F. Andreev, O.M. Belotserkovskii, G.D. Bogomolov, V.P. Bykov, Yu.M. Kagan, N.V. Karlov, L.B. Luganskii, L.P. Pitaevskii, L.A. Prozorova, Yu.A. Ryzhov, V.E. Fortov, Yu.M. Tsipenyuk “In memory of Sergei Petrovich Kapitza” Phys. Usp. 55 1161–1162 (2012)

V.B. Braginsky, N.S. Kardashev, B.V. Komberg, V.G. Kurt, I.D. Novikov, A.G. Polnarev, K.A. Postnov, V.A. Rubakov, V.N. Rudenko, K.S. Thorne, A.M. Cherepashchuk, N.I. Shakura “In memory of Leonid Petrovich Grishchuk” Phys. Usp. 55 1163–1165 (2012)

Physics news on the internet

Yu.N. Eroshenko “Physics news on the Internet (based on electronic preprints)” Phys. Usp. 55 1166–1167 (2012)