1. Editorial

   EditorialNotes 14 November 2007 Pages: 1 - 1

2. Victor Franz Hess: A short biography

   • Biman Nath

   Article-in-a-Box 14 November 2007 Pages: 2 - 3

3. The enigma of cosmic rays — 1

   • Biman Nath

   General Article 14 November 2007 Pages: 6 - 17

4. Theorema aureum — 2

   • Shivam Kumar

   General Article 14 November 2007 Pages: 18 - 29

5. Solid acid catalysts in Green Chemistry

   • Leena Rao

   General Article 14 November 2007 Pages: 30 - 36

6. Silicon photonics

   • P. K. Basu

   General Article 14 November 2007 Pages: 37 - 46

7. Genetic engineering of insects

   • R. Asokan

   General Article 14 November 2007 Pages: 47 - 56

8. Odd behaviour of the even integer 2

   • Shailesh A. Shirali

   General Article 14 November 2007 Pages: 57 - 66

9. Classroom

   OriginalPaper 14 November 2007 Pages: 67 - 85

10. Reflections

    OriginalPaper 14 November 2007 Pages: 86 - 93