In this video, we show how we built a functional mini hydroelectric power plant using a simple pump and a long hose. By ...

In the waters of the Des Moines and Raccoon Rivers. some of the highest nitrate levels in the country. You're always going to measure nitrate in the water throughout the year. David Swartney is *** ...

The Lincoln Memorial Reflecting Pool has become overrun with algae just days after the landmark underwent a multimillion-dollar renovation, leaving visitors wondering if it will be cleared in time for ...

There’s a water pump in Tuscumbia, Alabama, that changed the entire course of human history, and you can walk right up and touch it. Ivy Green, the birthplace of Helen Keller, is one of those places ...