1. Editorial

   EditorialNotes 20 April 2007 Pages: 1 - 1

2. Nikola Tesla — The creator of the electric age

   • Anil K Rajvanshi

   General Article 20 April 2007 Pages: 4 - 12

3. Interactions and mergers of galaxies

   • S M Alladin
   • S N Hasan

   General Article 20 April 2007 Pages: 13 - 26

4. Stem cells: A dormant volcano within our body?

   • Devaveena Dey
   • Annapoorni Rangarajan

   General Article 20 April 2007 Pages: 27 - 34

5. Gödel’s proof

   • S M Srivastava

   General Article 20 April 2007 Pages: 35 - 46

6. RNA polymerase II — The transcription machine

   • Jiyoti Verma
   • Aruna Naorem
   • Parag Sadhale

   General Article 20 April 2007 Pages: 47 - 53

7. The legacy of Nikola Tesla

   • D P Sen Gupta

   General Article 20 April 2007 Pages: 54 - 69

8. Classroom

   • R B Bapat

   OriginalPaper 20 April 2007 Pages: 77 - 90

9. Classics

   OriginalPaper 20 April 2007 Pages: 91 - 96