What's new in science, technology and medicine. Four years after a massive blaze devastated America's
Yellowstone Park, has the park authorities' policy of allowing the fires to burn in the name of ecology proved right or wrong? Also, a visit to a Cornish radio station where a computer has been programmed to pick and play the music and jingles. With Howard Stableford, Kate Bellingham , Carmen Pryce and Judith Hann. Producer Martin Mortimore
Editor Dana Purvis
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(Calls are charged at 36p per minute cheap rate. 48p at othertimes.)