According to Nautilus magazine, the poo emoji's spiral shape isn't just artistic whimsy. It's actually rooted in biology. Marine lugworms burrow through sand and mud, and as they tunnel, they excrete waste that naturally spirals. Gravity, the worm's muscle contractions, and wet sand properties combine to create that shape. Here's what's striking: emoji designers essentially captured an accurate natural phenomenon. Your crudest emoji is actually one of the most scientifically grounded.

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