Modern India has a history of a vibrant and active social sector. Many local development organisations, community organisations, social movements and non-governmental organisations populate the space of social action. Such organisations imagine a different future and plan and implement social interventions at different scales, many of which have lasting impact on the lives of people and society. However, their efforts and, more importantly, the learning from these initiatives remains largely unknown not only in the public sphere but also in the worlds of ​‘development practice’ and ​‘development education’. This shortfall impedes the process of learning and growth across interventions, organisations and time.

What does evolution by natural selection mean? How does ​‘survival of the fittest’ explain the transformation of male clownfish into females? Or the many non-combative, non-competitive, and seemingly friendly interactions observed between ants and plants? Does it provide clues to the identity of the mysterious descendants of dinosaurs in today’s world? These are some of the questions we explore in our theme section ​‘Evolution revisited’. In Annals of History, relive unsung surprises in the process of discovery of penicillin with interactive resources designed for the science classroom. How do we use pendulums to illustrate fundamental concepts in mechanics? How do we recognize and clarify incorrect student conceptions of the science of everyday phenomena? Find out with the detachable activity sheets & concept builders in ​‘The Science Lab’.