Yes, if you cut hammerhead worms in half, they will regenerate two worms

The Worm That Could Unlock Human Regeneration - What if humans could regrow what’s lost — a limb, an organ, even a head? The secret might lie in a tiny flatworm that rewrites the rules of biology. How does it heal so perfectly? And what can its stem cells teach us about regeneration? Based on research published in Cell Reports by the Stowers Institute, this discovery could change how we think about the limits of the human body. | The Brain Maze