pp 1029-1031 August 2021 Editorial

Editorial

pp 1034-1034 August 2021 Science Smiles

Science Smiles

pp 1035-1040 August 2021 Article-in-a-Box

The Life of Alexander von Humboldt

Krishnapriya Tamma Ashwini Venkatanarayana Mohan

pp 1041-1050 August 2021 General Article

The Lasting Contribution of Alexander von Humboldt to Our Understanding of the Natural World

Ashwini Venkatanarayana Mohan Krishnapriya Tamma

pp 1051-1057 August 2021 General Article

Aurora and Its Underlying Science

Prittam Goswami

pp 1059-1080 August 2021 General Article

Complex Numbers and Rhythmic Changes

Geethamma V G Deepa P Gopinath Jacob K Daniel

pp 1081-1102 August 2021 General Article

The Bicycle: Engineering Marvel and Great Social Reformer

Amitabha Ghosh

pp 1103-1123 August 2021 General Article

Stochastic Energetics and Thermodynamics at Small Scales

Sushanta Dattagupta

pp 1125-1140 August 2021 General Article

A Portrait of the Chemist as an Artist: The Story of Robert Burns Woodward

Amrit Krishna Mitra

pp 1141-1152 August 2021 Classroom

Special Properties of a Triangle with an Angle of 60°

Moshe Stupel Victor Oxman Avi Sigler

pp 1153-1168 August 2021 Classroom

A Jarring Bullet: An Indian National Physics Olympiad 2020 Problem

Vivek Lohani Nishant bhangi Sitikantha Das Amitabh Virmani

pp 1169-1169 August 2021 Think it Over

Two Simple Partial Fractions

Hariom Gupta

pp 1171-1174 August 2021 Book Review

Intersecting Parallels: Humboldt the Great Explorer and Gauss the Prince of Mathematics

Shobhana Narasimhan

pp 1175-1177 August 2021 Crossword

Intersections 1 : A (mostly) Scientific Crossword

Shobhana Narasimhan

pp 1178-1178 August 2021 Life Under Water

Streaked spinefoot (Siganus javus)