Yes, an earthworm has a brain. It’s tiny, pink, and shaped like a donut. But it’s more like a button than a computer.
The real genius is the belly nerve cord. That’s where the action happens. The head brain is just for light and escape plans.
Next time you see a worm after rain, give it a little nod. It’s a boneless, brain-minimal wonder. It’s been perfecting its design for eons.
And honestly? A brain that small, doing so much, is kind of inspiring. Maybe we don’t need to overthink everything. A little wriggle and a lot of instinct goes a long way.
So, does an earthworm have a brain? Yes, but it’s not the boss of the show. The worm is the brain—every slimy, squirming inch of it.