pp 1-1 December 1999 Editorial

Editorial

Rajaram Nityananda

pp 2-3 December 1999 Table of Contents

Table of Contents

pp 4-10 December 1999 Series Article

Evolution of the Atmosphere and Oceans: Evidence from Geological Records Evolution of the Early Atmosphere

P V Sukumaran

pp 11-20 December 1999 Series Article

Electrostatics in Chemistry - Electrostatic Models for Weak Molecular Complexation

Shridhar R Gadre Pravin K Babu

pp 21-30 December 1999 Series Article

Science and Technology of Ceramics - Functional Ceramics

Sheela K Ramasesha

pp 31-40 December 1999 General Article

Your Vision with and without Trigonometry - Trickeries of a Mundane Pendulum and the Sky-Borne Moon

S R Madhu Rao

pp 41-53 December 1999 General Article

Cyclotomy and Cyclotomic Polynomials - The Story of how Gauss Narrowly Missed Becoming a Philologist

B Sury

pp 54-65 December 1999 General Article

Sewall Wright: A Life in Evolution

Amitabh Joshi

pp 66-75 December 1999 General Article

The Shifting Balance Theory of Evolution

Amitabh Joshi

pp 76-82 December 1999 General Article

Robotics - Components and Subsystems

J R Vengateswaran

pp 83-89 December 1999 Classroom

Modular Arithmetic and the Calendar

Fr James Philip

pp 90-100 December 1999 Classroom

Project Lifescape – Genus Ficus

Ghate Utkarsh M R Almeida

pp 101-105 December 1999 Research News

Algebraic Geometry Solves an Old Matrix Problem

R Bhatia

pp 106-107 December 1999 Book Review

Introduction to Special Theory of Relativity

Sukanya Sinha

pp 107-108 December 1999 Book Review

Mathematics and Sports

Vivek S Borkar

pp 110-110 December 1999 Featured Scientist

Sewall Wright (1889-1988)