If you have houseplants, you've probably noticed small white specks in the potting mix. Here's what they are, and how to know if they're cause for concern.

I just watched a video promoting the use of polymer beads in a window box to reduce the need for frequent watering, but I question the wisdom of adding a foreign substance to soil. While these ...

In research that may eventually help crops survive drought, scientists at Princeton University have uncovered a key reason that mixing material called hydrogels with soil has sometimes proven ...