But there are organisms in the soil— creatures you can't see with your naked eye—which scientists use to measure soil health. Nematodes are among the creatures that scientists look for.

Charles Darwin described earthworms as one of the most important creatures on Earth. Worms are critical to soil health, and without soil Planet Earth would be little more than a lifeless rock.

Soil is the special link between plants and humans. It feeds us, captures carbon and provides a home for billions of living creatures. Some you can see and some that are so small you need a ...

Soil provides nearly all of the world’s animals and humans with food and gives life to all of the world’s plants, which ...

The burrowing creatures play a vital role in improving the soil but little is known about them on a global scale. We rely on earthworms for increasing crop yields and aerating the soil ...