1. Editorial

   • R. N. Mukherjee

   Departments 20 January 2022 Pages: 5 - 7

2. Science Smiles

   • Ayan Guha

   Departments 20 January 2022 Pages: 10 - 10

3. Richard Stephen Berry (1931–2020)

   • Srihari Keshavamurthy
   • Tamiki Komatsuzaki
   • David Leitner

   Departments 20 January 2022 Pages: 11 - 17

4. Physics of Disordered Systems

   • Smarajit Karmakar

   General Article 20 January 2022 Pages: 19 - 38

5. Creating ‘Nice’ Problems in Elementary Mathematics — I

   • Shailesh A. Shirali

   General Article 20 January 2022 Pages: 39 - 46

6. Statistical Thermodynamics of an Ideal Gas

   • Santu Nath
   • Pintu Mandal

   General Article 20 January 2022 Pages: 47 - 61

7. Can Microneedles Replace Hypodermic Needles?

   • B. H. Jaswanth Gowda
   • Mohammed Gulzar Ahmed
   • A. Sanjana

   General Article 20 January 2022 Pages: 63 - 85

8. Future Street Lamps

   • Arpan Banerjee

   General Article 20 January 2022 Pages: 87 - 92

9. Care For Some Anyons, Anyone?

   • Samyak Pratyush Prasad
   • Goutam Sheet

   General Article 20 January 2022 Pages: 93 - 122

10. Triangular Number Triples

    • Rahil Miraj

    Classroom 20 January 2022 Pages: 123 - 130

11. Set of Points of Continuity and Maximally Discontinuous Extensions

    • Soham Bakshi

    Classroom 20 January 2022 Pages: 131 - 142

12. Correlation of Rates of Intramolecular Tunneling Processes, with Application to Some Group V Compounds

    • R. N. Mukherjee

    Classics 20 January 2022 Pages: 143 - 151

13. Intersections 6: A (mostly) Scientific Crossword

    • Shobhana Narasimhan
    • Madhavan Mukund

    Departments 20 January 2022 Pages: 153 - 155

14. Intersections 5: A (mostly) Scientific Crossword

    • Shobhana Narasimhan
    • Madhavan Mukund

    Crossword 20 January 2022 Pages: 157 - 157

15. Birds in the Backyard

    • T. N. C. Vidya

    Departments 20 January 2022 Pages: 159 - 159