1. Editorial

   • Jasjeet Singh Bagla

   Departments 06 December 2021 Pages: 1483 - 1484

2. Science Smiles

   • Ayan Guha

   Departments 06 December 2021 Pages: 1485 - 1485

3. Transmitting Photons for Humanity

   • Rajesh V. Nair

   General Article 06 December 2021 Pages: 1489 - 1498

4. Zebrafish

   • Padmshree Mudgal
   • Chitra Bhasin
   • Radhika Gupta

   General Article 06 December 2021 Pages: 1499 - 1521

5. Controversy on Position Reversal of Four Element Pairs in the Periodic Table

   • Rajarshi Ghosh

   General Article 06 December 2021 Pages: 1523 - 1528

6. What An Odd Cube!

   • Jyotirmoy Sarkar

   General Article 06 December 2021 Pages: 1529 - 1537

7. From Ising Model to Kitaev Chain

   • Kartik Chhajed

   General Article 06 December 2021 Pages: 1539 - 1558

8. Probability Ratio or Difference?

   • Harshada Vidwans
   • Rohini Kharate
   • Milind Watve

   General Article 06 December 2021 Pages: 1559 - 1565

9. Symmetry Energy in the Semi-empirical Mass Formula

   • Sagnik Mondal
   • Pintu Mandal

   General Article 06 December 2021 Pages: 1567 - 1578

10. A Note on Convergence of A Special Class of Infinite Continued Fractions

    • Rajib Mukherjee
    • Manishita Chakraborty

    Classroom 06 December 2021 Pages: 1579 - 1583

11. An Elementary Proof of the Power Rule of Differentiation

    • Triloki Nath

    Classroom 06 December 2021 Pages: 1585 - 1587

12. Fiber Optics. Part II. Image Transfer on Static and Dynamic Scanning with Fiber Bundles

    • Jasjeet Singh Bagla

    Classics 06 December 2021 Pages: 1589 - 1594

13. Intersections 4: A (mostly) Scientific Crossword

    • Shobhana Narasimhan
    • Madhavan Mukund

    Departments 06 December 2021 Pages: 1595 - 1597

14. Intersections 3: A (mostly) Scientific Crossword

    • Shobhana Narasimhan
    • Madhavan Mukund

    Departments 06 December 2021 Pages: 1599 - 1599

15. Life Under Water

    • Laxmi Narang
    • Sujata Deshpande

    Departments 06 December 2021 Pages: 1601 - 1601