Immortal Jellies
Hannah Fry and Dara 脫 Briain learn about a tiny jellyfish that could hold the secret to immortality - and ask what other long-lived animals have superpowers we could learn from...
Could immortality ever be possible for humans?
It sounds like something from a sci-fi movie, but floating in oceans around the world is a tiny, transparent jellyfish that could hold the answer...
Turritopsis dohrnii, known as 'the immortal jellyfish', isn鈥檛 immortal in the true sense of word - it can die - but it has a nifty way of avoiding that fate. In times of stress, this miniscule jelly can biologically reverse its aging process, reverting from 'medusa' (adult jellyfish) to a juvenile form and starting its life-cycle again; potentially ad infinitum.
Abilities like these could hold the key to - if not exactly 'immortality', then at least regenerative or long-life treatments for humans in future. But of course there's a catch: these extremely delicate jellyfish can still easily die from predation, disease, or environmental threats and are extremely difficult to keep healthy in a lab environment.
Hannah and Dara hear about new technology that could change the way we study immortal jellyfish, and discover various other super-abilities in the animal kingdom that could help in our quest for healthier, longer lives.
Contributors:
- Miranda Lowe, Principal Curator of Crustacea and Cnidaria at London鈥檚 Natural History Museum
- Alex Cagan, Assistant Professor in the Department of Genetics, Department of Pathology and Department of Vet Medicine at the University of Cambridge
- Maria Pia Miglietta, Associate Professor of Marine Biology at Texas A&M University in Galveston
- Nicole Xu, Assistant Professor of Mechanical Engineering, Robotics and Biomedical Engineering at the University of Colorado, Boulder
Producer: Lucy Taylor
Executive Producer: Sasha Feachem
A 麻豆社 Studios Production
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- Sat 22 Nov 2025 10:00麻豆社 Radio 4
- Mon 24 Nov 2025 15:30麻豆社 Radio 4
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