1. Editorial

   • N. Mukunda

   Departments Pages: 1 - 2

2. Science smiles

   • R. K. Laxman

   Departments Pages: 3 - 3

3. Approach to absolute zero

   • R. Srinivasan

   Series Article Pages: 6 - 14

4. The normal distribution

   • S. Ramasubramanian

   Series Article Pages: 15 - 24

5. The immune system and bodily defence

   • Vineeta Bal
   • Satyajit Rath

   Series Article Pages: 25 - 38

6. Algorithms

   • R. K. Shyamasundar

   Series Article Pages: 39 - 46

7. Use of isotopes for studying reaction mechanisms

   • Uday Maitra
   • J. Chandrasekhar

   Series Article Pages: 47 - 53

8. The liquid state

   • K. R. Rao

   Series Article Pages: 54 - 59

9. Carl Friedrich Gauss

   • D. Surya Ratnana

   Series Article Pages: 60 - 67

10. Curious sex ratios and cytoplasmic genes

    • Stephen J. Freeland
    • Laurence D. Hurst

    Series Article Pages: 68 - 78

11. Teaching biodiversity

    • Madhav Gadgil

    Departments Pages: 79 - 85

12. The thirsty bird

    • Z. Ahmad

    Departments Pages: 86 - 88

13. Think it over

    • S. H. Aravind

    Departments Pages: 89 - 90

14. Book review

    • V. G. Tikekar
    • S. Krishnaswamy

    BookReview Pages: 91 - 94

15. Some unsolved problems in number theory

    • K. Ramachandra

    Erratum Pages: 95 - 96

16. Errata

    • C. R. Pranesachar

    Erratum Pages: 96 - 96

17. Errata

    • Avinash Khare
    • N. Panchapakesan
    • Jayant V. Narlikar

    Erratum Pages: 96 - 96

18. Acknowledgements

    Acknowledgments Pages: 96 - 96