1. Editorial

   • S Mahadevan

   EditorialNotes 21 April 2007 Pages: 1 - 1

2. Nobel Prize in Physics 2006

   • T Padmanabhan

   General Article 21 April 2007 Pages: 4 - 16

3. Paul Halmos — Expositor par excellence

   • V S Sunder

   General Article 21 April 2007 Pages: 17 - 28

4. Towards logical designs in biology

   • Garima Agarwal

   General Article 21 April 2007 Pages: 29 - 38

5. Natural nano-machines

   • Debashish Chowdhury

   General Article 21 April 2007 Pages: 39 - 58

6. Gödel’s proof

   • S M Srivastava

   General Article 21 April 2007 Pages: 59 - 70

7. Integrative microbiology — The third golden age

   • Moselio Schaechter

   Reflections 21 April 2007 Pages: 71 - 82

8. The thrills of abstraction

   • P R Halmos

   Classics 21 April 2007 Pages: 83 - 95

9. Information and announcements

   Announcement 21 April 2007 Pages: 96 - 98