1. Editorial

   • S. Mahadevan

   Departments Pages: 1 - 2

2. Article-in-a-box

   • Biman Nath

   Departments Pages: 3 - 5

3. Wave propagation: Odd is better, but three is best

   • V. Balakrishnan

   General Articles Pages: 8 - 17

4. Clathrates — An exploration of the chemistry of caged compounds

   • Srivathsa Vaidya

   General Articles Pages: 18 - 31

5. And Gamow said, let there be a hot Universe

   • Somak Raychaudhury

   General Articles Pages: 32 - 43

6. George Gamow and the genetic code

   • Vidyanand Nanjundiah

   General Articles Pages: 44 - 49

7. Deer antlers

   • A. Rajaram

   General Articles Pages: 50 - 63

8. Propulsion of the putt-putt boat — 2

   • V. Sharadha

   Feature Articles Pages: 64 - 69

9. Power maps and commutativity of groups

   • Ashok Singh

   Departments Pages: 70 - 73

10. Teaching chemistry through riddles

    • Mala Das Sharma

    Departments Pages: 74 - 76

11. Motion of charged particles in electromagnetic fields and special theory of relativity

    • P. Chaitanya Das
    • G. Srinivasa Murthy
    • T. A. Venkatesh

    Departments Pages: 77 - 85

12. Book reviews

    • C. S. Yogananda
    • Abhijit Saha
    • K. C. Patil

    BookReview Pages: 86 - 92

13. Galaxies in flight

    • George Gamow

    Classics Pages: 93 - 100

14. Refresher course in experimental physics

    Information and Announcements Pages: 101 - 101

15. Refresher course in plant genetic engineering

    Information and announcements Pages: 102 - 102

16. Refresher course on animal behaviour

    Information and announcements Pages: 103 - 103