Wine writer Oz Clarke and Rough Science botanist Ellen McCallie join team captain Kathy Sykes and her guest opponent Irving Finkel for the mind-bending quiz.
Marcus du Sautoy hosts.
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Wine writer Oz Clarke and Rough Science botanist Ellen McCallie join team captain Kathy Sykes and her guest opponent Irving Finkel for the mind-bending quiz.
Marcus du Sautoy hosts.