How would you go about answering the question “How many people have ever lived on this planet?” If you type that into Google ...

In India’s crowded instant messaging space, dominated for over a decade by WhatsApp, a new name has started to draw attention, Arattai. Meaning “casual chat” in Tamil, Arattai has emerged as a ...

Differential equations are fundamental tools in physics: they are used to describe phenomena ranging from fluid dynamics to general relativity. But when these equations become stiff (i.e. they involve ...