At almost 10,000 feet above sea level, villagers in northern Ethiopia have uncovered a seam of pure black opal buried within hand-dug tunnels. The site, hidden in Wollo Province’s rugged terrain, is ...

Geologists were astounded to discover a rich, natural opal deposit almost 9,800 feet above sea level. The villagers in Wollo, Ethiopia, made the discovery almost 9,800 feet above sea level. Their ...

Far above northern Ethiopia’s patchwork fields, villagers in Wollo have uncovered a rich, natural black opal deposit almost 9,800 feet above sea level. Their tunnels follow a single opal-bearing clay ...

‘Bear Down’: How a songwriter’s challenge became Chicago’s rallying cry Chicago's favorite fight song, "Bear Down," began as bet among songwriters. It ended up being a city's rallying cry. Dr. Ian ...

A major excavation carried out in the ancient city of Aksum in northern Ethiopia has yielded stunning treasures from both the Roman empire and Aksumite kingdom, revealing a connection with the Romans ...