Research out today is the first to document nematodes in the wild amassing into towers, likely as a way to reach new places.

Although the 2008 study did not find evidence that harmful compounds in rainwater drove worms out of the soil, Whitman did note that worm researchers sometimes use chemicals to gather worms.

Composting is a popular way to keep food waste out of landfills and create a natural fertilizer for houseplants and gardens. Worm composting takes advantage of earthworms’ natural ability to ...