The product they release is called worm castings ... or designated compost pile. Create a bed on the bottom with a mixture of moist newspaper or cardboard, sand, or peat moss.

When a worm explodes out of the sand and charges for the thumper ... There are no scenes of Fremen digging through piles of worm poop like Laura Dern in "Jurassic Park," but Villeneuve implied ...

These are the signs of a hidden but industrious worm that has an important place in the beach ecosystem. What's more, a quick look at those sand piles will help you decode a secret that they kept from ...