The Explainer team of Gráinne, Michelle, Sinéad, Nicky, and Aoife sit down to pick their favourite clips from the year, with topics ranging from Cuba to data centres and everything in between.The Explainer is brought to you by The Journal. Providing open access to valuable journalism in Ireland has been the aim of The Journal for a decade. You can contribute to ensure we can keep questioning, investigating, debunking, explaining and informing at www.thejournal.ie/contribute/