Advances in fields such as spectrometry and gene sequencing are unleashing torrents of new data about the ancient world – and could offer answers to questions we never even knew to ask. By Jacob Mikanowski. Help support our independent journalism at theguardian.com/longreadpod

We are raiding the Guardian Long Read archives to bring you some classic pieces from years past, with new introductions from the authors. This week, from 2020: It was once a widely accepted way of explaining why some children struggled to read and write. But in recent years, some experts have...