Parasites have evolved countless ways of hijacking their hosts' bodies: some steal food from inside the gut, others lurk in the blood sapping their host's nutrients and some even target their host's brain.

Discover how many enduring games, such as backgammon and billiards, helped to change the world.

Featured: replica foods; traffic cone dispensers; rocking horses; London taxis.

Featured: audio vacuum tubes; light bars; wood model aircraft; metal snare drums.

A daily science magazine show that delivers a fascinating mix of documentaries and features, with hosts Ziya Tong and Dan Riskin.