Self-decapitating sea slugs cut off their own heads, then regenerate brand-new bodies - USA TODAY

Researchers discovered that two species of Japanese sea slugs can regrow hearts and whole new bodies, even after removing their own heads. https://www.usatoday.com/story/news/nation/2021/03/09/sea-slugs-decapitate-their-own-heads-then-regenerate-new-bodies/4643809001/