{"version":"1.0","type":"card","id":"b199eab5-4d0e-45f9-bff5-85a2f5e9d3d0","url":"https://stacklist.com/card/b199eab5-4d0e-45f9-bff5-85a2f5e9d3d0","title":"Alum History - Tees Valley Wildlife Trust","source_url":"https://www.teeswildlife.org/what-we-do/past-projects/alum-alchemy-and-ammonites/alum/alum-history/","note":"Explore the fascinating history of alum, from its ancient use in textile dyeing in Mesopotamia to its role in Chinese alchemy. Discover how alum was prized by various civilizations, including the Egyptians, Greeks, and Romans, and learn about its use in medicine, metallurgy, and more.","image":{"url":"https://ucarecdn.com/2b4cbbab-a37d-4543-920e-a1fabf4feeb7/","alt":"Alum History - Tees Valley Wildlife Trust","width":1200,"height":630},"stack":{"id":"fbdc44df-d9d9-46d4-b5fa-b7a51d45d6d5","title":"research acient history","url":"https://stacklist.com/stack/fbdc44df-d9d9-46d4-b5fa-b7a51d45d6d5"},"created_at":"2025-07-17T13:32:02.566Z","updated_at":null,"aco":null,"_links":{"self":"/api/public/card/b199eab5-4d0e-45f9-bff5-85a2f5e9d3d0.json","html":"https://stacklist.com/card/b199eab5-4d0e-45f9-bff5-85a2f5e9d3d0","md":"/api/public/card/b199eab5-4d0e-45f9-bff5-85a2f5e9d3d0.md","stack_json":"/api/public/stack/fbdc44df-d9d9-46d4-b5fa-b7a51d45d6d5.json"}}