Beginning in 1965, the BBC's flagship science programme ran for nearly 40 years. Its mix of quirky film reports and live experiments examined the changing state of current technology and put new inventions to the test.
Live from the Channel Tunnel. Thirty metres below the English Channel, and from the control centre on Shakespeare Cliff near Dover, a report on the biggest civil engineering project in Europe and the safety measures that are being installed. What will it be like to ride through a 50km tube under the sea?
From the coast near Calais, French reporter Isabelle Staes checks on progress and investigates precautions being taken to avoid the risk of rabies.