See a sea slug head creep around its detached body | Science News

Three days after the head of an Elysia cf. marginata sea slug separated from its body, the head remains active, creeping around. The body, while also still alive, is more sluggish. It eventually will die, while the head will grow a new body, heart and all. Read more: Editor’s note - We’ve updated the story with a longer version of the video to show the whole regeneration process: Video: Sayaka Mitoh