'Refugee' is a commonplace term that obscures myriad personal stories, many contradictions and a more complex history than most people imagine, as William Maley demonstrates.

Everything you need to know about how Islamic State attracts new followers, by a world-renowned sociologist of Islam.

Inglorious Empire tells the real story of the British in India - from the arrival of the East India Company to the end of the Raj - revealing how Britain's rise was built upon its plunder of India.

How have global and local forces thwarted eradication of polio, one of the world's most important and ambitious health campaigns?