Material World

BBC Radio 4, November 2004

Why does the path of science not always run smooth?

Dr Len Fisher, author of Weighing the Soul: The Evolution of Scientific Beliefs discusses why the human soul was once proved to weigh the same as a slice of bread.

Quentin Cooper talks to Len Fisher and Dr Robert Matthews from Aston University to find out why science sometimes takes a path through the bizarre and discovers that nature often doesn't follow common sense.

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