1. Editorial

   • Susanta Mahapatra

   Departments 24 September 2022 Pages: 1469 - 1472

2. Science Smiles

   • Ayan Guha

   Departments 24 September 2022 Pages: 1473 - 1473

3. Friedrich Hermann Hund (1896–1997)

   • Susanta Mahapatra

   Departments 24 September 2022 Pages: 1477 - 1482

4. Friedrich Hund: A Pioneer of Quantum Chemistry (1896–1997)

   • Shridhar R. Gadre
   • Nityananda Sahu

   General Article 24 September 2022 Pages: 1483 - 1500

5. Friedrich Hermann Hund: Humanist, Physicist, Teacher, Activist, Science Historian

   • Kalidas Sen

   General Article 24 September 2022 Pages: 1501 - 1540

6. Charles Darwin

   • Marlon Martinez-Reina

   General Article 24 September 2022 Pages: 1541 - 1549

7. Isometries and Linearity

   • Rajendra Bhatia

   General Article 24 September 2022 Pages: 1551 - 1561

8. Acknowledging Libbie Hyman — An Inspiring Zoologist

   • G. Ravindranath

   General Article 24 September 2022 Pages: 1563 - 1577

9. Thermodynamics of Bose—Einstein Condensation

   • Premabrata Manna
   • Satadal Bhattacharyya

   General Article 24 September 2022 Pages: 1579 - 1596

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

    • Jyotirmoy Sarkar
    • Mamunur Rashid

    General Article 24 September 2022 Pages: 1597 - 1606

11. An Invitation to Dynamic Graph Problems: Upper Bounds — II

    • Manas Jyoti Kashyop
    • N. S. Narayanaswamy

    Classroom 24 September 2022 Pages: 1607 - 1624

12. Determining the Molecular Formula of [Fe(acac)₃] (acacH = acetylacetone): A Simple Analytical Chemistry Experiment for High School Students

    • Rajarshi Ghosh

    Classroom 24 September 2022 Pages: 1625 - 1627

13. Dynamic Research into Forms Obtained from Van-Aubel’s Theorem When the Quadrilateral Degenerates to a Line-Segment

    • Ruti Segal
    • Moshe Stupel

    Classroom 24 September 2022 Pages: 1629 - 1643

14. Video Based Analysis Using Tracker Software for Solving Problems in Mechanics

    • Shivalika Sarkar

    Classroom 24 September 2022 Pages: 1645 - 1660

15. Dynamic Investigation of Surprising Situations With Conservation of Areas Described by Functions With Parameters

    • Victor Oxman
    • Moshe Stupel

    Classroom 24 September 2022 Pages: 1661 - 1672

16. Intersections 13: A (mostly) Scientific Crossword

    • Madhavan Mukund
    • Shobhana Narasimhan

    Crossword 24 September 2022 Pages: 1673 - 1673

17. Intersections 14: A (mostly) Scientific Crossword

    • Madhavan Mukund
    • Shobhana Narasimhan

    Crossword 24 September 2022 Pages: 1674 - 1676

18. Information and Announcements

    • Joint Science Education Panel

    Announcement 24 September 2022 Pages: 1677 - 1677