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Our Changing World for Thursday 22 March 2007

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In this programme

Science

Veronika Meduna attends a memorial service held in honour of Alan MacDiarmid, New Zealand's third Nobel laureate, who died at his home in the United States last month.

Veronika also talks to Steven Rose, one of Britain's most eminent neuroscientists, who discusses the latest advances and issues in brain research.

Environment

Dean Williams meets Ben Hutchinson, one of three young New Zealanders selected to join like-minded students at the Eco-Minds Forum in Bangkok in June.

Health

Louise Wallace talks to Catrina Williams, whose riding accident five years ago prompted her to set up the Catwalk Trust with the aim of supporting research into spinal cord injury.