NEWS 23 October 2024 ‘Bricks’ of DNA, some of which have chemical tags, could one day be an alternative to storing information electronically. Heidi Ledford Chemical markers attached to pre-fabricated units of DNA can easily encode data. Credit: Nobeastsofierce/SPLDNA has been humanity’s go-to data repository for millennia. Tough and compact, it is so information-dense that just one gram of it can hold enough data for 10 million hours of high-definition video.But there is always room for improve...