■Preface
The Physical Society of Japan with/after COVID-19
Setsuko Tajima......191

■Artificial Intelligence and Physics
Role of Physics in Machine Learning―Quantum Machine Learning and Its Current Status
Masayuki Ohzeki......194

■Researches
Recent Development of Thermoelectric Response Theory and Its Applications
Takahiro Yamamoto, Masao Ogata, and Hidetoshi Fukuyama......202

Jamming Below Upper Critical Dimension
Harukuni Ikeda......208

Microscopic View of the Magnon Spin Current―Observation of Magnon Polarization
Yusuke Nambu......214

Adaptive Group Testing Based on Bayesian Inference
Ayaka Sakata......220

■Physics Education
African Institute for Mathematical Sciences（AIMS）―Finding the Next Einstein in Africa
Yoshifumi Kimura and Motoko Kotani......226

■JPSJ Selected Papers in the Latest Issue......229

■La Toccata......232

■Physics Community News......234

■Obituary......235

■Book Reviews......238

■SCJ Report......239