pp 1-2 May 1997 Editorial

Editorial

N Mukunda

pp 3-3 May 1997 Article-in-a-Box

Nilakantha Somayaji

C S Yogananda

pp 4-4 May 1997 Article-in-a-Box

Leonhard Euler

C S Yogananda

pp 5-5 May 1997 Science Smiles

Science Smiles

R K Laxman

pp 6-7 May 1997 Table of Contents

Table of Contents

pp 8-14 May 1997 Series Article

What Can the Answer be? Reciprocal Basis in Two Dimensions and Other Nice Things

V Balakrishnan

pp 15-22 May 1997 Series Article

Know Your Personal Computer - Input–Output Ports

Siddhartha Kumar Ghoshal

pp 23-28 May 1997 Series Article

Use of Isotopes for Studying Reaction Mechanisms Isotopes as Markers

Uday Maitra J Chandrasekhar

pp 29-43 May 1997 General Article

Nilakantha, Euler and 𝜋

Shailesh A Shirali

pp 44-53 May 1997 General Article

What is a Gene? A Question with Variable Answers

S C Lakhotia

pp 54-59 May 1997 Feature Article

Nature Watch Will the Meek Inherit the Earth?

Kartik Shanker

pp 60-68 May 1997 Feature Article

What's New in Computers - Fortran 95

V Rajaraman

pp 69-72 May 1997 Feature Article

Molecule of the Month Molecular–Chameleon: Solvatochromism at its Iridescent Best!

Photon Rao

pp 73-75 May 1997 Classroom

Is Heaven a Pleasant Place?

G S Ranganath

pp 76-76 May 1997 Think It Over

Buffon's Needle Problem

Bikramjit Banerjee

pp 77-80 May 1997 Research News

Some Unsolved Problems in Number Theory-Progress Made in Recent Times

K Ramachandra

pp 81-82 May 1997 Book Review

Deterministic Chaos – Complex Chance Out of Simple Necessity A Lively Introduction to Chaos

Ravindra E Amritkar

pp 83-84 May 1997 Book Review

Chemistry Today and Tomorrow – The Central, Useful and Creative Science

Uday Maitra

pp 84-86 May 1997 Book Review

Neem: A User's Manual The 'Free Tree' – Its Healing Power and Other Uses

M D Subash Chandran

pp 86-87 May 1997 Book Review

Challenge and Thrill of Pre-College Mathematics-A Treasure House for Students

A M Vaidya

pp 88-88 May 1997

Acknowledgements

pp 90-90 May 1997 Featured Scientist

Leonhard Euler (1707-1783)