PLANTERSVILLE, Texas -- At Magic Worm Ranch, 128,000 night crawlers are eating away at soil and grains. The ranch has a process that collects their castings, also known as worm poop. "As the soils ...

Gary Revell gets up every morning before sunrise, heads into the woods and grunts. Not because it's so early. It's the term for coaxing worms from the ground by the hundreds to be scooped up and ...