■Preface
JPS Strives to Provide the Best Jr. Session Meeting
Atsushi Hatakeyama......367

■The Century of Quantum Mechanics
Preface......370

The Revolution in the History of Quantum Physics and the Year 1925
Kenji Ito......371

Three-Nucleon Systems and Three-Nucleon Forces
Kimiko Sekiguchi......375

Macroscopic Quantum Phenomena in Superfluids and Superconductors
Takeshi Mizushima......380

Ultrafast Phenomena and Quantum Mechanics
Ikufumi Katayama......385

Nanomechanics Opens the Door to the Quantum World
Hajime Okamoto......390

■Overview Articles
Physics of Relativistic Chiral Matter
Naoki Yamamoto......395

■Researches
Recent Development of Numerical Experiments and Hadron Effective Models in Dense Two-Color QCD
Daiki Suenaga and Kotaro Murakami......404

■One Hundred and Fifty Years of the Physical Society of Japan......409

■JPSJ Selected Papers in the Latest Issue......410

■Reports on JPS Meeting......413

■Physics Community News......417

■Obituary......418

■Book Reviews......419