This week, the team behind The Explainer look through the back catalogue to bring you some of our favourite explanations from the past year, ranging from what the impact of another recession could be, to why Ireland is so obsessed with Garth Brooks.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/