If you’ve ever picked up a brick or a piece of wood that’s been lying in the dirt for a while, you’re probably familiar with the tiny critters with the hard black shell you found attached to the bottom of it. These humble little creatures that curl up into a ball when prodded may seem […]

The post Study Finds ‘Rollie Pollies’ Remove Heavy Metals From Soil, Protects Groundwater appeared first on The Hearty Soul.