The earthworm in new light

Earthworms are special because they keep our soil healthy. From the outside they appear inconspicuous. But what earthworms look like from the inside, from their organs to the microbes and parasites that colonize them, has been difficult to grasp. Scientists have developed a method to visualize anatomical structures including products of an earthworm's metabolism.

source https://www.sciencedaily.com/releases/2021/06/210629120738.htm