For more than 40 years, William James Vahey drugged and abused hundreds of pupils at international schools around the world. A Guardian investigation reveals that, despite numerous opportunities to stop him, nothing was done

When Kate Clanchy began teaching the children of refugees, she sought out those silenced by trauma and loss. Their weekly sessions released a torrent of untold stories

In an age when chefs are regularly compared to artists and philosophers, Magnus Nilsson is among the world’s most renowned. But is the simple act of cooking ever worthy of such veneration?

Social media has swallowed the news – threatening the funding of public-interest reporting and ushering in an era when everyone has their own facts. But the consequences go far beyond journalism

They promised it would be an easy victory. But they had no idea what was about to hit them

They promised it would be an easy victory. But they had no idea what was about to hit them

When Ada Colau was elected mayor of Barcelona, she became a figurehead of the new leftwing politics sweeping Spain. The question she now faces is a vital one for the left across Europe – can she really put her ideas into practice?

When Ada Colau was elected mayor of Barcelona, she became a figurehead of the new leftwing politics sweeping Spain. The question she now faces is a vital one for the left across Europe – can she really put her ideas into practice?

On the day after the EU referendum, many Britons woke up feeling that the country had changed overnight. But the forces that brought us here have been gathering for a very long time

On the day after the EU referendum, many Britons woke up feeling that the country had changed overnight. But the forces that brought us here have been gathering for a very long time