MAKUENI, Kenya — On a dry riverbed one recent sunny morning, residents of Kasengela village toiled away mixing cement and sand to make concrete. The sound of their shovels resonated through the valley ...

Beavers are renowned for building dams, which the animals construct from trees and branches they cut using their strong front teeth, according to the National Park Service. The rodents also use grass, ...

MAKUENI, Kenya (AP) — On a dry riverbed one recent sunny morning, residents of Kasengela village toiled away mixing cement and sand to make concrete. The sound of their shovels resonated through the ...

In this video, we explore the construction of a mini hydroelectric dam as part of a science project. The focus is on the principles of hydropower and the step-by-step process of building a model dam. ...

The end of the big dam era is approaching. Numerous recently published reports reflect this planet-altering fact. One study, conducted by scholars at the United Nations University’s Institute for ...

In the wake of the deadly July 4 Guadalupe River flooding that killed 119 people in Kerr County, much attention has been focused on the lack of warning systems, which left sleeping campers, residents ...