Wedded to our tools: why expertise can hold us back (part 1)

Technology company 3M explains the steps employers should take to assess and reduce the risk of hearing loss at work.

The sixth part of our series from insurance broker Griffiths & Armour focuses on problematic projects and clients.

Sean Brady examines the remarkable engineering works that may have underpinned the Hanging Garden of Babylon - one of the Seven Wonders of the Ancient World.