1. Editorial

   • N. Mukunda

   Departments Pages: 1 - 2

2. Algorithms

   • R. K. Shyamasundar

   Series Article Pages: 6 - 17

3. Use of isotopes for studying reaction mechanisms

   • Uday Maitra
   • J. Chandrasekhar

   Series Article Pages: 18 - 25

4. The liquid state

   • K. R. Rao

   General Article Pages: 26 - 31

5. The coaxial cable

   • Joseph Samuel
   • Supurna Sinha

   General Article Pages: 32 - 40

6. Visualizing a concept

   • S. C. Lakhotia

   General Article Pages: 41 - 49

7. Turing test and after

   • V. Rajaraman

   General Article Pages: 50 - 59

8. Lignin macromolecule

   • R. S. Rohella
   • N. Sahoo
   • V. Chakravortty

   General Article Pages: 60 - 66

9. Are all matrices diagonalisable?

   • Kapil H. Paranjape

   Departments Pages: 67 - 69

10. Image formation through extended apertures

    • Prahallad Chandra Naik

    Departments Pages: 70 - 72

11. Discussion on the evolution of ageing

    • Milind Watve
    • Amitabh Joshi

    Departments Pages: 73 - 77

12. Think it over

    • B. V. Rajarama Bhat

    Departments Pages: 78 - 78

13. Missing neutrinos from the sun?

    • Anjan S. Joshipura

    Research News Pages: 79 - 81

14. Book review

    • K. Parthasarathy
    • Priti Shankar

    BookReview Pages: 82 - 86

15. Protective geometry

    • S. Ramanan

    Reflections Pages: 87 - 94

16. Errata

    • S C Lakhotia

    Erratum Pages: 95 - 95

17. Acknowledgements

    Announcement Pages: 96 - 96