1. Editorial

   • Alladi Sitaram
   • Animesh Chakravorty

   Departments Pages: 1 - 3

2. Great experiments in physics

   • Amit Roy

   Series Article Pages: 6 - 13

3. Numeracy for everyone

   • Anil P. Gore
   • S. A. Paranjpe

   Series Article Pages: 14 - 23

4. Dark matter

   • Bikram Phookun
   • Biman Nath

   General Article Pages: 24 - 31

5. The Jordan curve theorem

   • Ritabrata Munshi

   General Article Pages: 32 - 37

6. Human cloning: A biological objection to it

   • K. K. Verma
   • Rashmi Saxena

   General Article Pages: 38 - 43

7. Petri nets

   • Y. Narahari

   General Article Pages: 44 - 52

8. Coordination chemistry of life processes: Bioinorganic chemistry

   • R. N. Mukherjee

   General Article Pages: 53 - 62

9. Transition metal complexes and catalysis

   • Balaji R. Jagirdar

   General Article Pages: 63 - 81

10. Think it over

    Departments Pages: 82 - 84

11. Book review

    • H. S. Mukunda
    • Shiva Shankar

    Departments Pages: 85 - 89

12. Announcement

    Announcement Pages: 89 - 89

13. On the constitution and configuration of higher-order compounds

    • Alfred Werner
    • Marshall McLuhan

    Reflections Pages: 90 - 94

14. Teaching and learning genetics withDrosophila 2. mutant phenotypes ofDrosophila melanogaster

    • H. A. Ranganath
    • M. T. Tanuja

    Departments Pages: 95 - 104

15. Information and announcements

    Departments Pages: N1 - N1