BBC Scotland HD (Freeview) Tuesday

At Edinburgh Zoo, the vets deal with a zebra with arthritis. Polar bears are fed with giant popsicles and frozen melons, and wild horses and mountain goats undergo hoof trimming

Kirsty Wark explores life in Scotland in the 1970s and early 1980s, an era of new towns and oil when Scotland began to see and sell itself as distinctively Scottish

The latest Scottish, UK and international news, plus weather, entertainment and sport

Chris Clements investigates allegations of modern slavery aboard UK fishing vessels, uncovering a world-wide web of exploitation which puts profit before people

Consultant Sanjay Sharma and three colleagues attempt to reconstruct 67-year-old patient Sue's jaw, using fibula bone from her leg