New study sheds light on ancient Roman self-healing concrete

Longevity is usually the characteristics that gets most mentioned (see my May 10, 2023 posting Answer to why Roman concrete was so durable when discussing Roman concrete. However, it s self-healing properties likely contribute to Roman concrete s longevity. This December 9, 2025 essay by Ray Laurence, professor of ancient history at Macquarie University, for The Conversation, [ ]