Scientists at Nara Women’s University in Japan observed a strange phenomenon last year that would make many a lizard quite envious. Sea slugs’ heads can detach and regrow the entirety of their bodies, ...

For the vast majority of animals on this planet, losing their head would be a near-instant death sentence. Creatures that have distinct heads typically use them to house a brain and other extremely ...

SOUNDBITE) (Japanese) NARA WOMEN'S UNIVERSITY PHD RESEARCHER, SAYAKA MITOH, SAYING:"One day, the head and body of the Elysia cf. marginata (sea slug) that our laboratory had been raising for ...

It’s like something out of a B-grade horror movie. A severed head separates from its body. An unsuspecting scientist assumes a tragic fate, until the head twitches, moves, and regrows its body. Its ...

Looking like opened pea pods with a lustrous sheen, the sea slugs Elysia cf. marginata and Elysia atroviridis aren’t your average gastropods. First off, they’re members of sacoglossa, a clade of slugs ...

At least two species of sacoglossan sea slugs are capable of severing their own heads from their bodies and then growing an entirely new body, including a heart and other internal organs. The authors ...

Imagine biologist Sayaka Mitoh’s surprise the day she found that a sea slug in her lab was suddenly missing its body. Or its head, really—depends on your perspective. Either way, the sea slug was in ...

It turns out getting beheaded doesn’t mean automatic death for every animal. Researchers discovered that two species of sea slugs, Elysia cf. marginata and Elysia atroviridis, can regrow their body ...

Cats may bite, and geese may have barbed penises, but one newly described hermaphroditic sea slug has taken violent animal sex to a new level by stabbing its mates in the head. The perpetrator of this ...