Â鶹Éç

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A few hundred years ago, the wine glass was tiny. Footmen brought their masters what was essentially a shot glass. Comedian Katy Brand asks public historian Greg Jenner and Barry Smith, Director for the Study of the Senses at London University, why the wine glass has increased in size - and it's not just because of our drinking habits... (Image: Red wine in a glass, Credit: Â鶹Éç.)