1. Editorial

   • Arti Kashyap
   • Varsha Singh

   Departments 18 April 2020 Pages: 327 - 329

2. Science Smiles

   • Ayan Guha

   Departments 18 April 2020 Pages: 332 - 332

3. Chien-Shiung Wu: The First Lady of Physics

   • D. Indumathi

   General Article 18 April 2020 Pages: 333 - 352

4. The Lekking Puzzle

   • Kavita Isvaran

   General Article 18 April 2020 Pages: 353 - 362

5. Earth’s Magnetic Field and its Wandering Magnetic Poles

   • Nandini Nagarajan

   General Article 18 April 2020 Pages: 363 - 379

6. Non-linear Chemical Reactions

   • Abiya Rajans
   • Neelima Gupte
   • P. C. Deshmukh

   General Article 18 April 2020 Pages: 381 - 395

7. What are Operads?

   • Anita Naolekar

   General Article 18 April 2020 Pages: 397 - 417

8. Sticking and Signalling at the Synapse

   • Kavita Babu

   General Article 18 April 2020 Pages: 419 - 429

9. Topological Materials

   • Vishal Bhardwaj
   • Ratnamala Chatterjee

   General Article 18 April 2020 Pages: 431 - 441

10. Face to Face with Dr Fabiola Gianotti

    • K. Indulekha

    Face to Face 18 April 2020 Pages: 443 - 447

11. Information and Announcements

    Announcement 18 April 2020 Pages: 449 - 450

12. Erratum

    • Raghavendra Gadagkar
    • T. N. C. Vidya

    Erratum 18 April 2020 Pages: 451 - 451

13. Night Life

    • Sindhu Radhakrishna

    Inside Back Cover 18 April 2020 Pages: 453 - 453