■Preface
Teo Torriatte（Let Us Cling Together）
Yutaka Utsuno......227

■Overview Articles
Slight Twisting and Crystal Quality in Protein Crystals
Ryo Suzuki and Masaru Tachibana......230

■Researches
A New Family of Superconductors Containing Various Transition Metal Elements
Yoshihiko Okamoto, Kosuke Yuchi, Yusaku Shinoda, and Koshi Takenaka......240

Imaging of Coherent Oscillation between Magnons and Phonons
Tomosato Hioki......246

Laboratory Astrophysics Using Power Laser Systems―Progress in Laser Astrophysics
Youichi Sakawa......251

Mechanisms of Ferroelectricity and Piezoelectricity in Pseudo-Cubic Structures
Sangwook Kim, Yoshihiro Kuroiwa, and Yukio Sato......257

■One Hundred and Fifty Years of the Physical Society of Japan......263

■JPSJ Selected Papers in the Latest Issue......264

■PTEP Selected Papers in the Latest Issue......266

■Book Reviews......268

■AAPPS News......271