We asked Aicher, author of "Guide to the Aqueducts of Ancient Rome," about the Romans' sophisticated water distribution system, including its elegant aqueducts. Here's what he told us: NOVA ...

Evaluate the system's surface water supply. This involves delineating the water basin, assessing the quality of the water, hydrologic modeling, and flooding mitigation. Assess current conditions of ...

(1) UC researchers found evidence of an ancient water filter system at the Corriental reservoir in northern Guatemala. This ...

We discovered how spring water emerges from depths of 300 meters and undergoes a natural, sterile process before arriving in the bottle on your table.