1. Editorial

   • T. N. C. Vidya

   EditorialNotes 16 August 2023 Pages: 1159 - 1160

2. Science Smiles

   • Ayan Guha

   Announcement 16 August 2023 Pages: 1161 - 1161

3. Sir Peter Brian Medawar and the Genesis of Transplantation Immunology

   • Bodhisatta Nandy

   General Article 16 August 2023 Pages: 1165 - 1175

4. Robert G. Parr: A Brief Sketch of Life and Work

   • K. D. Sen

   General Article 16 August 2023 Pages: 1177 - 1191

5. Reasoning and Explanation in Physics - II

   • K. K. Mashood
   • Anwesh Mazumdar
   • Arvind Kumar

   General Article 16 August 2023 Pages: 1193 - 1208

6. World War II, Sex and Antibiotics - II

   • Dipika Mishra
   • Irene Aniyan Puthethu
   • Ramanujam Srinivasan

   General Article 16 August 2023 Pages: 1209 - 1220

7. Boundary Value Problems in Electrodynamics and Quantum Mechanics: Palpable Parallels

   • Santu Nath
   • Pintu Mandal

   General Article 16 August 2023 Pages: 1221 - 1231

8. The Rise, Fall and Re-emergence of DDT

   • Bireddy Srinivasa Reddy
   • Pramod Kumar Dubey

   OriginalPaper 16 August 2023 Pages: 1233 - 1243

9. How Likely is a Random Triangle Acute?

   • Jyotirmoy Sarkar
   • Collin Tully

   General Article 16 August 2023 Pages: 1245 - 1261

10. On the Radical Center of Four Spheres

    • Blas Herrera
    • Quang Hung Tran

    General Article 16 August 2023 Pages: 1263 - 1279

11. Nature’s Benevolence and Disrupting Human Interference

    • Sayantan Ganguly

    OriginalPaper 16 August 2023 Pages: 1281 - 1297

12. ‘Activity Acquired Tolerance’ of Foreign Cells

    • Bodhisatta Nandy

    Classics 16 August 2023 Pages: 1299 - 1304

13. Intersections 24: A (mostly) Scientific Crossword

    • Madhavan Mukund
    • Shobhana Narasimhan
    • Miriam Jacob

    Crossword 16 August 2023 Pages: 1305 - 1305

14. Intersections 25: A (mostly) Scientific Crossword

    • Madhavan Mukund
    • Shobhana Narasimhan

    Crossword 16 August 2023 Pages: 1306 - 1308

15. Life Under Water

    • Sujata Deshpande
    • Karan Deshpande

    Announcement 16 August 2023 Pages: 1309 - 1309