: Trees and plants actually communicate through a complex network of fungi called mycorrhizae . This hidden "internet" allows them to share nutrients, water, and even chemical warnings about pests.

: Some of our most vital life-saving medicines, including penicillin , were originally discovered in the organisms that live in the dirt. Dirt as a Global Hero

If you were to scoop up a single tablespoon of healthy garden soil, you would be holding more living organisms in your hand than there are people on the entire planet. This microscopic world is far from silent: