Reviews of topical problems

S.I. Blinnikov, A.D. Dolgov “Cosmological acceleration” Phys. Usp. 62 529–567 (2019)

Yu.S. Kalashnikova, A.V. Nefediev “X(3872) in the molecular model” Phys. Usp. 62 568–595 (2019)

Physics of our days

A.P. Serebrov “Disagreement between measurements of the neutron lifetime by the ultracold neutron storage method and the beam technique” Phys. Usp. 62 596–601 (2019)

Instruments and methods of investigation

T.S. Argunova, V.G. Kohn “Study of micropores in single crystals by in-line phase contrast imaging with synchrotron radiation” Phys. Usp. 62 602–616 (2019)

Methodological notes

S.M. Stishov “Quantum effects in a system of Boltzmann hard spheres” Phys. Usp. 62 617–622 (2019)

V.V. Brazhkin “Can glassforming liquids be 'simple'?” Phys. Usp. 62 623–629 (2019)

Physics news on the internet

Yu.N. Eroshenko “Physics news on the Internet (based on electronic preprints)” Phys. Usp. 62 630–631 (2019)