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Painful Photoshoot
- John Dabiri had a painful jellyfish encounter during a photoshoot.
- Tentacles draped over his legs while posing for a close-up.
Jellyfish Propulsion
- Jellyfish, the first ocean swimmers, use a single muscle cell layer for propulsion.
- This layer contracts and expands rhythmically, like a heart, without a central nervous system.
Efficient Swimmers
- Jellyfish are efficient swimmers due to their creation of vortex rings.
- These donut-shaped swirling water rings propel them with minimal energy.