A worm burrows its way through the dark earth, ingesting particles of soil and expelling nutrient-rich casts in a constant forage for food. Charles Darwin described earthworms as one of the most ...

sometimes dubbed "the nastiest soils on Earth" because of the threat they pose to ecosystems. "When these areas experience a rainfall or snowmelt, the accumulated acid and dissolved metals are ...

"So instead of being cremated and turned into ash, you're getting gently transformed into soil," Tom Harries, CEO and founder ...