Dig It! The Secrets of Soil Exhibit: Journey into the
skin of the earth and explore the amazing world of soils in Dig It!
The Secrets of Soil. Completely familiar yet largely unknown,
soils help sustain virtually every form of life on Earth. Dig It! will
transport visitors to the world of fungi, bacteria, worms, and countless
other organisms. Visitors will discover the amazing connections
between soils and everyday life and think about this hidden world in a whole
new way. Smithsonian Museum of Natural History -