Muslims, Jews, Christians: women all over the world cover their heads out of religious piety. An exhibition at Berlin's Jewish Museum asks what motivates them – and how others respond. By Nadine WojcikMore
A powerful explosion rocked the Lebanese capital of Beirut, killing at least 100 people and injuring thousands more. Hospitals quickly filled beyond capacity and there have been appeals for people to give blood. By Darko Janjevic
