How detecting lead could help researchers read damaged Roman scrollsNature: Watch scientists decipher burned scrolls without unrolling them06:42 A biodegradeable, paper-inspired batteryNature: Edible batteries power medical devices in the bodySubscribe to Nature Briefing, an unmissable daily round-up of science news, opinion and analysis free in your inbox every weekday.Never miss an episode. Subscribe to the Nature Podcast on Apple Podcasts, Spotify, YouTube Music or your favourite podcast app. An RSS feed for the Nature Podcast is available too. Hosted on Acast. See acast.com/privacy for more information.