■Preface
Upon Assuming the Role of President
Seiji Miyashita......163

■Overview Articles
Anomaly in Bottom-Flavored Physics―What is Known and Unknown 10 Years after the First Announcement
Syuhei Iguro......166

■Researches
Origin of Diverse 1/f Fluctuations―Amplitude Modulation and Demodulation
Masahiro Morikawa and Akika Nakamichi......175

High-Resolution X-Ray Spectroscopy of Muonic Atoms with Superconducting Transition-Edge Sensor Microcalorimeters
Takuma Okumura, Shinji Okada, and Toshiyuki Azuma......181

Two Unanticipated Discoveries in the Electron Gas―Excitonic Collective Mode and Excitron
Yasutami Takada......187

■One Hundred and Fifty Years of the Physical Society of Japan......193

■La Toccata......194

■JPSJ Selected Papers in the Latest Issue......198

■Physics Community News......203

■Obituary......206

■Book Reviews......208