I have really enjoyed being a mentor to Marianna Coppolla part of transformational Northern Triangle Mentor Network . Marianna is postdoctoral researcher at the University of Manchester, and is developing a   novel vineyard test that could revolutionise how winemakers determine harvest timing . Instead of relying solely on sugar and acidity, Marianna’s tool detects   biomarkers linked to aroma development and phenolic maturity —two critical yet often overlooked elements in p