Immortal Jellyfish


In 1988 science stumbled upon proof of eternal life – immortality thrived in the form of a minuscule jellyfish. German marine biology student Christian Sommer spent a summer on the Italian Riviera studying invertebrates. Long story short (see link below) he noticed something unusual about Turritopsis Dohrnii – a tiny jellyfish only 4.5 mm wide at maturity.

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Observing petri dish specimens, Sommer watched them reproduce followed by an astounding transformation – reverse aging to juvenile polyp stage. Liken it to a butterfly becoming a caterpillar or bird becoming an egg, hatching as a new chick. Instead of dying, they started their life cycle over again.

Science can’t explain the immortal jellyfish beyond understanding cellular trans-differentiation happens during rejuvenation – one cell type is converted into another (skin cell might become a nerve cell ). Crazy as it sounds, mankind’s elusive quest for longevity might have it all wrong. Immortality’s secret could be locked in an obscure jellyfish content to reproduce and start over again.

The “immortal jellyfish” can transform itself back into a polyp and begin life anew. Credit Takashi Murai