Reviews of topical problems

V.T. Dolgopolov “Two-dimensional system of strongly interacting electrons in silicon (100) structures” Phys. Usp. 62 633–648 (2019)

L.A. Bol’shov, P.S. Kondratenko, L.V. Matveev “Nonclassical transport in highly heterogeneous and sharply contrasting media” Phys. Usp. 62 649–659 (2019)

Physics of our days

S.S. Shakhidzhanov, F.A. Balabin, S.I. Obydennyi, F.I. Ataullakhanov, A.N. Sveshnikova “Calcium oscillations in blood platelets and their possible role in 'interpreting' extracellular information by cells” Phys. Usp. 62 660–674 (2019)

Instruments and methods of investigation

L.V. Grigorenko, B.Yu. Sharkov, A.S. Fomichev, A.L. Barabanov, V. Bart, A.A. Bezbakh, S.L. Bogomolov, M.S. Golovkov, A.V. Gorshkov, S.N. Dmitriev, V.K. Eremin, S.N. Ershov, M.V. Zhukov, I.V. Kalagin, A.V. Karpov, T. Katayama, O.A. Kiselev, A.A. Korsheninnikov, S.A. Krupko, T.V. Kulevoi, Yu.A. Litvinov, E.V. Lychagin, I.P. Maksimkin, I.N. Meshkov, I.G. Mukha, E.Yu. Nikol’skii, Yu.L. Parfenova, V.V. Parkhomchuk, S.M. Polozov, M. Pfutzner, S.I. Sidorchuk, H. Simon, R.S. Slepnev, G.M. Ter-Akopian, G.V. Trubnikov, V. Chudoba, K. Scheidenberger, P.G. Sharov, P.Yu. Shatunov, Yu.M. Shatunov, V.N. Shvetsov, N.B. Shulgina, A.A. Yukhimchuk, S. Jaramyshev “Scientific program of DERICA — prospective accelerator and storage ring facility for radioactive ion beam research” Phys. Usp. 62 675–690 (2019)

Methodological notes

A.A. Rukhadze, V.P. Silin “From Lord Rayleigh to Professor A.A. Vlasov (from 1906 to 1945)” Phys. Usp. 62 691–698 (2019)

G.A. Mesyats, M.I. Yalandin “Nanosecond volume discharge in air initiated by a picosecond runaway electron beam” Phys. Usp. 62 699–703 (2019)

From the history of physics

S.M. Stishov “Mysteries of diamond synthesis at the Institute of High Pressure Physics of the Academy of Sciences of the Soviet Union” Phys. Usp. 62 704–710 (2019)

G.R. Ivanitskii “X-men: humans with an unusual interaction between receptor systems who construct a world of new images within themselves (on the 140th anniversary of the birth of Academician P.P. Lazarev)” Phys. Usp. 62 711–734 (2019)

Physics news on the internet

Yu.N. Eroshenko “Physics news on the Internet (based on electronic preprints)” Phys. Usp. 62 735–736 (2019)