Dossier
tissue regeneration
Coverage of tissue regeneration in the Nexus archive.
- Severed sea cucumber appendages don't seem to die
Scientists discovered that severed tissue from the sea cucumber Psolus fabricii can survive indefinitely in ordinary seawater, a phenomenon described as 'naturally occurring tissue immortality.' The study, led by Sara Jobson of Memorial University of Newfoundland, highlights the species' remarkable regenerative capabilities in harsh environments.
- Engineered blood clots stop bleeding in seconds
Scientists have engineered red blood cells to form strong clots that stop bleeding almost instantly and promote tissue regeneration. The breakthrough was published in the journal Nature on 29 April 2026.