Their secret weapon? Pozzolanic concrete, a next-level material that made their structures insanely durable. Even today, the Pantheon, built nearly 2,000 years ago, still holds the record for the ...

The secret to their remarkable durability has long been credited to pozzolanic concrete, a mix of volcanic ash and lime. But ...

Concrete is an incredibly useful and versatile ... from the lime clasts had likely interacted with the remaining free pozzolanic material to form fresh crystallization that is capable of healing ...