Creatures like sea stars, jellyfish, sea urchins and sea anemones don’t have brains, yet they can capture prey, sense danger and react to their surroundings. So does that mean brainless animals can think? “Brainless does not necessarily mean neuron-less,” Simon Sprecher, a professor of neurobiology at the University of Fribourg in Switzerland, told Live Science in an email. Apart from …
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