1. Editorial

   • T. N. C. Vidya

   EditorialNotes 20 April 2022 Pages: 495 - 499

2. Science Smiles

   • Ayan Guha

   Announcement 20 April 2022 Pages: 502 - 502

3. Michael Soulé: The Mystical Biologist

   • Sindhu Radhakrishna

   Article-in-a-Box 20 April 2022 Pages: 503 - 505

4. Michael Soulé

   • Sindhu Radhakrishna

   General Article 20 April 2022 Pages: 507 - 512

5. AstroSat: I. The Scientific Instruments

   • Kulinder Pal Singh

   General Article 20 April 2022 Pages: 513 - 528

6. The Square Kilometer Array and a Golden Age for Astronomy

   • B. L. Fanaroff

   General Article 20 April 2022 Pages: 529 - 542

7. Driven Tight-Binding Chain — A Quantum Paradigm

   • Sushanta Dattagupta

   General Article 20 April 2022 Pages: 543 - 559

8. Subsurface Storage of Water

   • Sayantan Ganguly

   General Article 20 April 2022 Pages: 561 - 578

9. Contextualizing Stomata

   • Swarna Ramakrishnan
   • Jayanti Ray-Mukherjee

   OriginalPaper 20 April 2022 Pages: 579 - 597

10. Six Exponentials Theorem — Irrationality

    • Michel Waldschmidt

    General Article 20 April 2022 Pages: 599 - 607

11. Mathematical Musings on the External Anatomy of the Novel Corona Virus

    • Jyotirmoy Sarkar
    • Mamunur Rashid

    General Article 20 April 2022 Pages: 609 - 622

12. Equivalent Resistance in a Finite Resistor Network From the Variational Principle

    • Arnab Kar

    General Article 20 April 2022 Pages: 623 - 639

13. The Chemistry of Antioxidants

    • K. Hussain Reddy

    OriginalPaper 20 April 2022 Pages: 641 - 658

14. Cisplatin

    • Dhrubajyoti Chattopadhyay

    General Article 20 April 2022 Pages: 659 - 666

15. Carbon Credits: Project Based Learning to Enhance Conceptual Understanding

    • R. Sanjeev
    • R. Veda Vrath
    • V. Jagannadham

    Classroom 20 April 2022 Pages: 667 - 671

16. Is There Still Room for Paradoxes in Special Relativity

    • Elmo Benedetto
    • Gerardo Iovane

    Classroom 20 April 2022 Pages: 673 - 680

17. A Green Approach for Complexometric Titration*

    • G. Gnanamani Simiyon
    • Ansha Elizabeth Mammen

    Classroom 20 April 2022 Pages: 681 - 686

18. What Is Conservation Biology?

    • Sindhu Radhakrishna

    Classics 20 April 2022 Pages: 687 - 695

19. Intersections 9: A (mostly) Scientific Crossword

    • Shobhana Narasimhan
    • Madhavan Mukund

    Crossword 20 April 2022 Pages: 696 - 698

20. Intersections 8: A (mostly) Scientific Crossword

    • Shobhana Narasimhan
    • Madhavan Mukund

    Crossword 20 April 2022 Pages: 699 - 699

21. Rose-ringed parakeet (Psittacula krameri)

    • T. N. C. Vidya

    Birds in the Backyard 20 April 2022 Pages: 701 - 701