A special edition from Brazil, where Craig Doyle meets an inventor who has devised a cost-efficient method of producing Braille. Philippa Forrester examines a new heart operation which could save thousands of lives every year, and, in rainforest country, witnesses the struggle to save a highly endangered simian.

Further Details: Ceefax p623. the TW Information Line on [number removed], or Web Site: [web address removed]