Four fundamental forces in Nature decide all known interactions in the world. What are these four forces? How do they arise? Why four and not more? This article explores some of these questions, describing the properties of the fundamental four and looking at how they shape our daily life.
Are certain individuals born to be teachers and can only those be truly competent? Or can people without such aspirations develop to become ‘great teachers’? Are there certain conditions, the presence of which foster such development?