Pond weed has been the bane of canal systems since irrigation came to the West. It slows water in the canals and reduces the amount of water available for delivery, and it can clog head gates. Some ...

Photograph shows three robots working in close proximity in a confined space. Adding a fourth robot created a traffic jam that brought digging to a halt. This material relates to a paper that appeared ...

Officials say a clog at the Arlington County Water Pollution Control Plant is what caused raw sewage to flow into the Harris Teeter supermarket on S. Glebe Road, near Potomac Yard. The incident ...

Georgia Tech researchers used special markers to color-code as many as 30 ants at time. The goal was to identify individual ants so their contributions to tunnel digging could be measured. This ...