The eye of the apple snail is unusually similar to a human eye but, unlike human eyes, it can regrow itself if injured or even amputated

New research from has identified a backup for an important biological system – the hematopoietic system, whose adult stem cells constantly replenish the body’s blood supply

Scientists have captured the one cell that is capable of regenerating an entire organism

Planarians (a type of flatworm) can regenerate missing body parts