It is far too murky for a celebratory pint, but Guinness recovered after more than 160 years beneath the sea may still surrender its secrets. Scientists now hope its yeast can reveal how Ireland’s famous stout tasted in Victorian times.

It is far too murky for a celebratory pint, but Guinness recovered after more than 160 years beneath the sea may still surrender its secrets. Scientists now hope its yeast can reveal how Ireland’s famous stout tasted in Victorian times.