Thus far, they have discovered new species, such as worm-like beings called polychaetes, and new cold-water coral reefs.

BBC: Mapping new worlds

They added that using a worm-like motion helped reduce the noise such machines produce, making them suitable "for reconnaissance purposes".

BBC: Pentagon helps build Meshworm reconnaissance robot

From what I understood, there is a species in Halo known as the Hunters which are made up of thousands of tiny, orange worm-like creatures.

FORBES: SAPVoice: Swarm Intelligence: How The Behavior Of Ants Can Be Used To Improve Everything We Do.

It's as if a time-wasting flock of Angry Birds has buried productivity like a worm.

WSJ: Why Aren't Smartphones Making Us More Productive?