Professor Danielle George takes three great British inventions – the light bulb, the telephone and the motor – and shows you how to hack, adapt and transform them to do extraordinary things. This is tinkering for the 21st century.

Alice Roberts enters a spider-filled house to find out about these eight-legged creatures.

Machu Picchu, the crown jewel of the sprawling Incan empire, is constant threatened by earthquakes, landslides, and torrential rain. Using CGI to strip it, layer by layer, we explore the infrastructure that keeps it from tumbling down the Andes mountains.

When medieval alchemists staged spectacular stunts in front of royalty they never revealed the secrets of their mystical potions and fire-breathing creations. Today’s chemists can perform equally impressive feats, and they’re happy to tell you everything.

Foxes provoke either love or hate: urban menace or furry friend? Channel 4’s multi-platform campaign lets the viewers decide.