Science correspondent Nicola Davis investigates the strange story of Tam O’Braan and his attempts to grow tea in Scotland. In episode two of this mini-series first broadcast in October 2025, Nicola hears how O’Braan’s network of Scottish tea growers began to have suspicions about exactly what he...

Source: [Guardian Science](https://www.theguardian.com/science/audio/2026/jul/22/revisited-a-scottish-tea-mystery-episode-two-the-list)

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