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Nice: giant worms in a world with scarce water laying in caves.

Let me know when I can buy a stillsuit and then we'll talk.

Teoretically you learn to build it yourself....

I have ridden the mighty moonworm!

You can do it more cheaply using a radioactive source on Earth. https://en.wikipedia.org/wiki/Mutation_breeding

Is this something they are trying to study, or trying to protect against?