Reviews of topical problems

E.D. Eidelman “Thermoelectric effect and thermoelectric generator based on carbon nanostructures: achievements and prospects” Phys. Usp. 64 535–557 (2021)

L.M. Martyushev “Мaximum entropy production principle: history and current status” Phys. Usp. 64 558–583 (2021)

A.E. Hramov, N.S. Frolov, V.A. Maksimenko, S.A. Kurkin, V.B. Kazantsev, A.N. Pisarchik “Functional networks of the brain: from connectivity restoration to dynamic integration” Phys. Usp. 64 584–616 (2021)

Methodological notes

I.M. Arbekov, S.N. Molotkov “Extraction of quantum randomness” Phys. Usp. 64 617–634 (2021)

Bibliography

M.S. Aksenteva, E.V. Zakharova “New books on physics and related sciences” Phys. Usp. 64 635–637 (2021)

Physics news on the internet

Yu.N. Eroshenko “Physics news on the Internet (based on electronic preprints)” Phys. Usp. 64 638–639 (2021)