■Preface
Decrease in the Number of JPS Members
Kazuaki Sakoda......199

■Trends
Kozai-Lidov Mechanism and Its Recent Developments
Naoki Seto......202

■Reviews
The Renaissance of High-Tc Superconductivity―Discovery of Undoped Cuprate Superconductors and Revise of the Electronic Phase Diagram
Michio Naito and Hideki Yamamoto......204

■Researches
Electron Correlations in an Organic Dirac-Cone Material
Michihiro Hirata, Kazushi Kanoda, Genki Matsuno, and Akito Kobayashi......214

Generic Instabilities of Non-Singular Cosmologies
Tsutomu Kobayashi......221

■Crossroad
Semi-Automatic Scheduling of an Academic Meeting Using the Antiferromagnetic Potts Model
Kazue Kudo......227

Dynamics of Rattleback
YoichiroKondo and Hiizu Nakanishi......230

■JPSJ Selected Papers in the Latest Issue......234

■The Path to History......237

■La Toccata......240

■Memoir on the Screening Reviewed: FY 2017 Grants-in-Aid for Scientific Research from the Japan Society for the Promotion of Science......249

■Book Reviews......252