Yes, jellyfish are beautiful! But they're also SCARY AS HELL. Allow me to explain: 1.First of all, they literally do not have brains. They're just out here swimming around with ZERO brain cells.

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Box jellyfish are much more active swimmers than other jellyfish – they exhibit strong directional swimming, are able to perform rapid 180 degree turns, and can deftly move in between objects. So how ...

Caribbean box jellyfish can learn from experience, even though they lack a central brain. The discovery sheds new light on the evolution and mechanisms behind learning. The researchers designed an ...