Scientists have discovered that severed appendages from the sea cucumber species Psolus fabricii can survive indefinitely in ordinary seawater without any special conditions, a phenomenon described as 'naturally occurring tissue immortality.' This finding is particularly notable because it occurs without the need for germ-free environments or nutrient-rich mediums typically required for tissue survival. The discovery could have implications for understanding tissue regeneration and longevity in other species.
Background
Sea cucumbers are marine animals known for their ability to regenerate lost body parts, but this discovery of indefinite tissue survival in ordinary conditions is unprecedented. Previous research on tissue preservation has required carefully controlled laboratory conditions.
- Source
- Ars Technica
- Published
- May 29, 2026 at 11:10 PM
- Score
- 6.0 / 10