: Soil acts like a library of Earth's past. By studying its layers and colors, scientists can read stories of ancient climates, volcanic eruptions, and even the rise and fall of civilizations.
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: : Soil acts like a library of Earth's past
: 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. This microscopic world is far from silent: :
Far from being "dirty," soil is one of our most important tools for fighting climate change. Unearthed: Five Things You Didn't Know About Dirt Unearthed: Five Things You Didn't Know About Dirt
: 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