1. Editorial

   • B Sury

   Departments 15 July 2020 Pages: 741 - 745

2. Science Smiles

   • Ayan Guha

   Departments 15 July 2020 Pages: 748 - 748

3. Louis Nirenberg (1925–2020)*

   • Kaushal Verma

   Departments 15 July 2020 Pages: 749 - 749

4. Estimating a Genius — Louis Nirenberg

   • Vamsi Pritham Pingali

   General Article 15 July 2020 Pages: 751 - 756

5. The Maximum Principle and the Moving Plane Method

   • Mousomi Bhakta

   General Article 15 July 2020 Pages: 757 - 763

6. Physics with Coffee and Doughnuts

   • Navketan Batra
   • Goutam Sheet

   General Article 15 July 2020 Pages: 765 - 786

7. Thermodynamic and Kinetic Aspects of the Stability of Sir P. C. Ray’s Mercurous Nitrite Compound

   • Asim K Das

   General Article 15 July 2020 Pages: 787 - 799

8. Rewriting the Genome of the Model Eukaryote Saccharomyces cerevisiae

   • Vijayan Sambasivam
   • Desirazu N Rao
   • Srinivasan Chandrasegaran

   General Article 15 July 2020 Pages: 801 - 816

9. How to Design Experiments in Animal Behaviour

   • Raghavendra Gadagkar

   Series Article 15 July 2020 Pages: 817 - 838

10. A Window into the World of Nucleon-nucleon Interactions

    • K Indulekha

    Research News 15 July 2020 Pages: 839 - 842

11. A Versatile Ace at Bridge Building

    • M. S. Narasimhan
    • Sudhir Rao

    Face to Face 15 July 2020 Pages: 843 - 884

12. Congratulations to the Newly Elected Members

    Information and Announcements 15 July 2020 Pages: 885 - 885

13. Birds in the Backyard

    • T N C Vidya

    Departments 15 July 2020 Pages: 886 - 886