Public radio’s longest-running daily global news program.

Podcasts
Station Finder
Newsletter
Donate

Episodes
Segments
Stories

By Category
By Country
By Contributor

About
The Team
Contact
Privacy

Facebook
Instagram
Twitter
Bluesky
TikTok
Youtube

About Contact Donate Meet the Team Privacy Terms of use

©2026 The World from PRX

PRX is a 501(c)(3) organization recognized by the IRS: #263347402.

concrete

People walk along the ruins of the ancient Roman city of Jerash

Seawater in the pores? It’s what made Roman concrete great.

Jul 14, 2017

Produced By

Thanks To Our Sponsor

Major Funders