Curious City: Exploring Science and Wonders

Biological Immortality Explained: Turritopsis dohrnii

24 min · 25. maj 2026
episode Biological Immortality Explained: Turritopsis dohrnii cover

Description

Meet Turritopsis dohrnii—the tiny jellyfish that can reverse its own aging. Known as the “immortal jellyfish,” it can revert from adulthood back to a juvenile state through a process called transdifferentiation, effectively resetting its life cycle under stress or injury. While not truly invincible—still vulnerable to predators and disease—this species challenges our understanding of aging and mortality. Its unique biology may hold clues for the future of regenerative medicine and the science of longevity. This episode includes AI-generated content.

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episode Brain–Computer Interfaces: Rewriting Cognition artwork

Brain–Computer Interfaces: Rewriting Cognition

Brain–computer interfaces (BCIs) create a direct link between neural activity and machines, turning cognition into something that can be decoded, restored, and potentially enhanced. Through a process of co-adaptation, the brain and algorithms learn to operate together, enabling control of movement or even speech. Approaches range from non-invasive systems to high-precision implants, balancing accessibility with signal fidelity and risk. Beyond clinical uses for conditions like ALS and Parkinson’s, BCIs raise critical questions about neural data privacy and individual autonomy. As advances in AI and biocompatible hardware accelerate, these systems are evolving from medical tools into components of a new hybrid cognitive architecture. This episode includes AI-generated content.

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