pp 1-1 January 2000 Editorial

Editorial / Associate Editor’s Column

Rajaram Nityananda

pp 2-3 January 2000 Table of Contents

Table of Contents

pp 4-13 January 2000 General Article

Search for a Final Theory of Matter

Ashoke Sen

pp 14-28 January 2000 General Article

Continued Fractions for e

Shailesh A Shirali

pp 29-44 January 2000 General Article

Gröbner Bases - A Useful Tool in Algebra

Arnab Chakraborty

pp 45-59 January 2000 General Article

Cancer Genes: The Molecular Militants

M S S Murthy

pp 60-70 January 2000 General Article

Thomas Alva Edison - His Contributions to Lighting and Power Generation

D P Sengupta

pp 71-75 January 2000 General Article

Thomas Alva Edison - Contributions to Entertainment and Communications

K D Pavate

pp 76-82 January 2000 General Article

The Man Behind ‘Femtochemistry’ - Ahmed Zewail Wins the 1999 Nobel Prize in Chemistry

Puspendu Kumar Das

pp 83-92 January 2000 Classroom

International Physics Olympiad’98 – 1. Experiments

Saikat Guha

pp 93-100 January 2000 Classroom

Project Lifescape – Diseases:Paddy

R J Ranjit Daniels

pp 101-104 January 2000 Research News

More than a Handful...N5+

A G Samuelson

pp 105-106 January 2000 Book Review

Birds of Rishi Valley, and Renewal of their Habitats

Mahesh Rangarajan

pp 107-107 January 2000 Book Review

Crossword Puzzle

pp 108-108 January 2000 Book Review

Books Received

pp 110-110 January 2000 Featured Scientist

Thomas Alva Edison (1847-1931)