After 2,000 years, a long-lost secret behind the creation of one of the world’s most durable man-made creations ever—Roman concrete—has finally been discovered by an international team of scientists, ...

The Colosseum, inaugurated in A.D. 80, seated 50,000 and hosted gladiatorial games, ritual animal hunts, parades and executions. Tiziana Fabi / AFP / Getty Images The Romans started making concrete ...

Concrete is an incredibly useful and versatile building material on which not only today’s societies, but also the ancient Roman Empire was built. To this day Roman concrete structures can be found in ...

The Roman Colosseum is a giant, oval amphitheater built almost two thousand years ago. Despite its age and a 14th century earthquake that knocked down the south side of the colosseum, most of the ...

Concrete is an incredibly useful and versatile building material on which not only today’s societies, but also the ancient Roman Empire was built. To this day Roman concrete structures can be found in ...

A key discovery to understanding Roman architectural concrete that has stood the test of time and the elements for nearly two thousand years has been made by researchers using beams of X-rays. No ...

Every time Marianne publishes a story, you’ll get an alert straight to your inbox! Enter your email By clicking “Sign up”, you agree to receive emails from ...

Concrete is today’s most popular building material. In fact, it’s consumed in greater quantities than any substance on earth, second only to water. But it’s easy to abuse. Consult anyone’s list of the ...