Travelling around the UK and meeting experts in botanical history, genetics, pharmaceuticals and wild food, Chris Collins tells the story behind the plants most people call weeds. Show more

Matthew Collings charts the rise of abstract art over the last 100 years, whilst trying to answer a set of basic questions that many people have about this often-baffling art form. Show more

Liz Bonnin delves in to the world of invention. From the new space race to a nanotech revolution, she reveals some of the technologies set to transform our lives. Show more

Journalist Frank Gardner sets out to trace the first adventure of Tintin, the childhood hero that inspired him to travel and report from the world's hot spots. Show more

Professor Iain Stewart reveals how Scotland's unique landscape was shaped, and how public emotion has led to inconsistent preservation in Scotland's seas. Show more

From Belfast's Waterfront Hall, John Humphrys hosts this unique blend of music and documentary to mark the centenary of the sinking of RMS Titanic. Show more

Professor Iain Stewart reveals how Scotland's unique landscape was shaped. Here, the story of how Scotland's waters became some of the most managed on earth. Show more

Social commentator Peter York speaks to crafts people and expert commentators as he seeks to understand what he sees as the modern obsession with 'the authentic'. Show more