Reviews of topical problems

A.P. Kryukov, V.Yu. Levashov, V.V. Zhakhovskii, S.I. Anisimov “Heat and mass transfer at condensate—vapor interfaces” Phys. Usp. 64 109–140 (2021)

B.S. Ishkhanov, I.M. Kapitonov “Giant dipole resonance of atomic nuclei. Prediction, discovery, and research” Phys. Usp. 64 141–156 (2021)

N.P. Malomuzh, K.S. Shakun “Collective contributions to self-diffusion in liquids” Phys. Usp. 64 157–174 (2021)

Physics of our days

M.V. Sadovskii “Planckian relaxation delusion in metals” Phys. Usp. 64 175–190 (2021)

Instruments and methods of investigation

E.A. Sosnin, N.Yu. Babaeva, V.Yu. Kozhevnikov, A.V. Kozyrev, G.V. Naidis, V.A. Panarin, V.S. Skakun, V.F. Tarasenko “Modeling of transient luminous events in Earth's middle atmosphere with apokamp discharge” Phys. Usp. 64 191–210 (2021)

Personalia

A.F. Andreev, Yu.Yu. Balega, A.V. Gaponov-Grekhov, G.G. Denisov, L.M. Zelenyi, V.V. Kocharovskii, A.G. Litvak, E.A. Mareev, A.M. Sergeev, R.A. Sunyaev, Trümper I E, A.M. Cherepashchuk “Vladimir Vasil'evich Zheleznyakov (on his 90th birthday)” Phys. Usp. 64 211–213 (2021)

A.F. Andreev, S.A. Brazovskii, G.E. Volovik, E.I. Kats, P.S. Kondratenko, N.M. Kreines, V.P. Mineev, S.P. Novikov, S.P. Obukhov, L.P. Pitaevskii, D.E. Khmel’nitskii, G.M. Eliashberg “Igor Ekhiel'evich Dzyaloshinskii (on his 90th birthday)” Phys. Usp. 64 214–215 (2021)

Physics news on the internet

Yu.N. Eroshenko “Physics news on the Internet (based on electronic preprints)” Phys. Usp. 64 216–217 (2021)