One of Dune's Biggest, Non-Spoiler Questions Is Answered in Sandworm Poop
You can't talk about the world of Dune without talking about sandworms. The massive, monolithic creatures are at the heart of not just Frank Herbert's original novel, but both halves of Denis Villeneuve's epic film adaptation. And if you're talking about sandworms, you're probably going to talk about thumpers.