pp 1-1 September 2006 Editorial

Editorial

S Mahadevan

pp 2-3 September 2006 Table of Contents

Table of Contents

pp 4-19 September 2006 General Article

Space and Time: From Antiquity to Einstein and Beyond

Abhay Ashtekar

pp 20-28 September 2006 General Article

The Timeless Legacy of Robert Koch - Founder of Medical Microbiology

Jaya S Tyagi

pp 29-42 September 2006 General Article

Some Interesting Mathematical Gems

V G Tikekar

pp 43-54 September 2006 General Article

Special Relativity, Causality and Quantum Mechanics - 2

Guruprasad Kar Samir Kunkri Sujit K Choudhary

pp 55-71 September 2006 General Article

On the Move: What Causes Animals to Disperse?

Mayukh Chatterjee

pp 72-75 September 2006 Feature Article

Molecule Matters - A Chromium Compound with a Quintuple Bond

K C Kumara Swamy

pp 76-78 September 2006 Classroom

Magic Squares of Order Three

T S K V Iyer

pp 79-89 September 2006 Classroom

Basis Properties of Third Order Magic Squares

Shailesh A Shirali

pp 90-92 September 2006 Research News

Xylitol: A Sweetener with Special Qualities

Anil Lachke

pp 92-92 September 2006 Information and Announcements

National Centre for Biological Sciences Tata Institute of Fundamental Research

pp 93-93 September 2006 Information and Announcements

Refresher Course in Experimental Chemistry

pp 94-95 September 2006 Information and Announcements

Our Readers Write

pp 96-96 September 2006 Flowering Trees

Metia azadarach

pp 97-97 September 2006 Featured Scientist

Robert Koch (1843-1910)