Join Michael Frischetti, an archaeological expert, as he shares insights into the astonishing discovery of two ancient cities in Uzbekistan, using cutting-edge LiDAR technology. He reveals that one city was vastly larger than believed, showcasing unprecedented urban development. Lizzie Gibney discusses the innovative method for watermarking AI-generated text, which aims to differentiate it from human content, as well as highlights concerning environmental findings related to sewage in coastal waters. Both guests offer a fascinating dive into technology's role in understanding our past and present.