pp 821-822 August 2019 Editorial

Editorial

pp 823-823 August 2019 Science Smiles

Science Smiles

pp 827-832 August 2019 Murray Gell-Mann (1929-2019) and the Story of Strong Interactions

General Article

G Rajasekaran

pp 833-845 August 2019 Sir Henry Hallet Dale (1875-1968)

General Article

Andrew Wickens

pp 847-859 August 2019 Influence of Learning Theories on Science Education

General Article

Sudhakar C Agarkar

pp 861-873 August 2019 Spherical Tiling with GeoGebra: New Results, Challenges and Open Problems

General Article

Ana Breda Jose Dos Santos

pp 875-889 August 2019 How to Design Experiments in Animal Behaviour: 5. How Do Ants Estimate the Distance Walked?

Series Article

Raghavendra Gadagkar

pp 891-900 August 2019 Series Article

The Sounds of Music: Science of Musical Scales: 1. Human Perception of Sound

Sushan Konar

pp 901-921 August 2019 Face to Face

Face to Face with Professor N Mukunda

pp 923-925 August 2019 Classics

A Schematic Model of Baryons and Mesons

pp 927-927 August 2019 Errata

Errata

pp 929-929 August 2019 Information and Announcements

Science Undergraduate Research Conference

pp 931-931 August 2019 Night Life

Bengal Tiger