1. Editorial

   • N. Mukunda

   Departments Pages: 1 - 1

2. About Wolfgang Pauli

   • N. Mukunda

   Departments Pages: 2 - 3

3. Mapmakers

   • Harini Nagendra

   Series Article Pages: 6 - 11

4. Solar neutrinos

   • Revathi Ananthakrishnan

   General Article Pages: 12 - 19

5. Polynomial variables and the Jacobian Problem

   • Balwant Singh

   General Article Pages: 20 - 30

6. Nitric oxide, the gas in the news

   • T. Ramasarma

   General Article Pages: 31 - 41

7. Mad cow disease

   • Ashutosh Chachra
   • Deepti Narang
   • Raman Narang

   General Article Pages: 42 - 44

8. Managing uncertainty in the real world

   • Satish Kumar

   General Article Pages: 45 - 55

9. The creative Kohn

   • K. D. Sen

   General Article Pages: 56 - 63

10. The Linux Operating System

    • S. Balakrishnan

    Feature Article Pages: 64 - 72

11. What is free software?

    • V. Vinay

    Feature Article Pages: 73 - 78

12. Exchange and sign-change: The Pauli exclusion principle

    • Rahul Siddharthan

    Departments Pages: 79 - 84

13. The work of the fields medallists: 1998

    • Rajendra Bhatia

    Research News Pages: 85 - 87

14. The 1998 Physics Nobel Prize

    • R. Nityananda

    Research News Pages: 88 - 90

15. Book reviews

    • Rajat Tandon
    • V. Balakrishnan
    • K. Rama Murthy

    BookReview Pages: 92 - 96

16. Acknowledgements

    • R. Nityananda

    Announcement Pages: N1 - N1