7. Sandworms: Hulking Beasts or Biology Bloopers?
Frank Herbert’s colossal worms burst through dunes with zero body deformation—yet Earth worms move by wriggling and squeezing fluids, and snakes slither side-to-side. The only critters that use rectilinear motion are tiny “worm lizards,” and even they can’t barrel through quartz-sand at Mach speeds.
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