Reviews of topical problems

P.G. Kryukov “Continuous-wave femtosecond lasers” Phys. Usp. 56 849–867 (2013)

O.V. Misochko “Nonclassical states of lattice excitations: squeezed and entangled phonons” Phys. Usp. 56 868–882 (2013)

Physics of our days

S.G. Karshenboim “Progress in the accuracy of the fundamental physical constants: 2010 CODATA recommended values” Phys. Usp. 56 883–909 (2013)

Instruments and methods of investigation

V.G. Kurt, E.N. Mironova “The methods of local interstellar medium investigation” Phys. Usp. 56 910–918 (2013)

Methodological notes

Gaite José “The relativistic virial theorem and scale invariance” Phys. Usp. 56 919–931 (2013)

From the history of physics

A.V. Tan’shina “A.I. Akhiezer Institute for Theoretical Physics at the National Science Center “Kharkov Institute of Physics and Technology”, National Academy of Sciences of Ukraine: origins, events, facts, comments” Phys. Usp. 56 932–950 (2013)

Personalia

A.E. Bondar, I.A. Koop, G.N. Kulipanov, E.B. Levichev, V.V. Parkhomchuk, E.A. Perevedentsev, S.I. Serednyakov, A.N. Skrinskii, G.M. Tumaikin, V.S. Fadin, B.I. Khazin, I.B. Khriplovich “Yurii Mikhailovich Shatunov (on his 70th birthday)” Phys. Usp. 56 951–952 (2013)

Physics news on the internet

Yu.N. Eroshenko “Physics news on the Internet (based on electronic preprints)” Phys. Usp. 56 953–954 (2013)