River blindness is caused when the worm involved burrows up under the skin and reaches the eyes.

BBC: Danger worms tracked from space

The worm can be up to three feet long, and looks like a very long spaghetti noodle.

CNN: Rare tropical disease close to eradication

We do this work for the kids who will grow up not knowing Guinea worm disease.

WHITEHOUSE: Dream Big: Water

And contrary to popular opinion, the actual worm doesn't like rain and comes up to escape the burrows being flooded.

NPR: The Tricks And Tools Of Worm Charmers

The highlight of the festival -- this year on 21 and 22 October -- is the woolly worm races, where the insects race vertically up a 42in string.

BBC: In North Carolina, woolly worms predict winter weather

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.

Adrian Short, who was born and brought up on Gower and has owned the Worm's Head Hotel in Rhossili for over a decade, said the beach was perfect.

BBC: Rhossili Bay

In the lake, however, there is the risk of bilharzia, an infection by a type of parasitic worm, so travellers who choose to swim or dive there often stock up on the treatment, Praziquantel tablets.

BBC: The planet��s pristine waters

He plays Emmet Ray, the notorious (and made-up) jazz guitarist from the thirties, a great artist who was also a worm and a loser.

NEWYORKER: Sweet and Lowdown