Weld, weld, weld. What do we have here? 🔍 At Parliament House Canberra sits Australia’s own issue of the 1297 Magna Carta, a true medieval marvel. Our scientists were asked to take a closer look at the silk cords attached to its wax seal to discover what they were made from, how they were dyed, and how to preserve them for the future. After some seriously delicate science, our team identified weld, a yellow plant dye used in the Middle Ages. Unravel the full story: https://www.csiro.au/en/news/