Add Yahoo as a preferred source to see more of our stories on Google. New research shows the origins of Sumerian civilization were shaped by tides, rivers, and shifting Mesopotamian landscapes.

Many millennia ago, the tides turned for ancient Sumerians who built the first civilization - literally. Rising in southern Mesopotamia around 6,000 years ago, Sumer bridged a network of city-states ...

Every load of laundry sends tiny polyester fibers down the drain, but most of those fibers never make it to the open ocean. A growing body of research shows that rivers, estuaries, and tidal forces ...

Tides not only affect regions along the coast, their periodic fluctuations are carried upstream inland through coastal rivers. River sections particularly affected by these tidal pulses are exposed to ...

Anyone in the market for some cinematic escapism from these troubled times might avoid this weekend's Hollywood fare and take a look at the new documentary, "Rivers and Tides." It's a truly balmy ...

ANDY GOLDSWORTHY'S art borders on the religious. And we should all belong to his church. In Thomas Riedelsheimer's eloquently simple and direct documentary "Rivers and Tides: Andy Goldsworthy Working ...

British sculptor Andy Goldsworthy builds a tower of rocks near the sea—he’s planning to see it swallowed by the rising tide—only to have it collapse before the ocean can reach it. It takes him four ...

The story of how the first cities rose from southern Mesopotamia has long fascinated scientists and historians. Many explanations point to fertile soil, farming, and trade networks as the engines of ...

Coastal rivers, such as the Mississippi shown here, rise and fall with the tides—a phenomenon known as tidal pulse. This creates areas that are particularly vulnerable to flooding. Tides not only ...