On an earthen dam, if you don't do maintenance and you have vegetation growth, tree roots penetrate into the soil and then it weakens the soil or creates cracks or gaps where water can seep in.

We want this film to be seen all over the U.S. and we need your support to make this happen.

As a group, we don't have the size and strength of other basketball players, so we try to create our own little world of basketball. We're not trying to lock people out because we're better. We're protecting our weaker status.

These companies are riding the surging demand for biochemical products.