pp 1-2 July 2000 Editorial

Editorial

V Rajaraman

pp 3-4 July 2000 Article-in-a-Box

Sisir Kumar Mitra

A P Mitra

pp 5-5 July 2000 Article-in-a-Box

Highlights of S K Mitra's Life-long Achievements

M K Das Gupta

pp 6-7 July 2000 Table of Contents

Table of Contents

pp 8-16 July 2000 General Article

Some Aspects of Convexity - Some Applications to Optimisation Problems and to Matrices

V S Sunder

pp 17-27 July 2000 General Article

Little Red Wonders - A Short Biography of the Red Blood Cell

Avijit Hazra

pp 28-43 July 2000 General Article

Ionosphere and its Influence on Radio Communications

R S Dabas

pp 44-55 July 2000 General Article

Radon: Not so Noble-Radon in the Environment and Associated Health Problems

Deepanjan Majumdar

pp 56-59 July 2000 Classroom

Why are we not Blinded by the Star Light

N Kumar

pp 59-70 July 2000 Classroom

Teaching and Learning Genetics with Drosophila

H A Ranganath M T Tanuja

pp 71-85 July 2000 Classroom

Project Lifescape - Amphibians

R J Ranjit Daniels

pp 86-87 July 2000 Book Review

Understanding Chemistry

Animesh Chakravorty

pp 88-91 July 2000 Book Review

Indian Mathematics and Astronomy: Some Landmarks

Michio Yono

pp 92-99 July 2000 Reflections

Professor Sisir Kumar Mitra - As I. Remember Him

Mrinal Kumar Das Gupta

pp 100-104 July 2000 Information and Announcements

Insititute of Radio Physics and Electronics

P K Basu

pp 105-105 July 2000

Acknowledgements

pp 109-109 July 2000 Featured Scientist

Sisir Kumar Mitra (1889-1963)