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Answers to Various Mysteries. Can Animals without a Brain Think? and Is It Safe to Eat Avocados when They Turn Brown?

Summary by hnonline.sk
Creatures like starfish, jellyfish, sea urchins, and anemones don't have brains, but they can catch prey, sense danger, and react to their surroundings. So does that mean that animals without brains can think? "No brain doesn't necessarily mean no neurons," Simon Sprecher, a professor of neurobiology at the University of Fribourg in Switzerland, told Live Science. With the exception of sea sponges and droplet-like placulites, all animals have ne…
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Creatures like starfish, jellyfish, sea urchins, and anemones don't have brains, but they can catch prey, sense danger, and react to their surroundings. So does that mean that animals without brains can think? "No brain doesn't necessarily mean no neurons," Simon Sprecher, a professor of neurobiology at the University of Fribourg in Switzerland, told Live Science. With the exception of sea sponges and droplet-like placulites, all animals have ne…

·Bratislava Region, Slovakia
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hnonline.sk broke the news in Bratislava Region, Slovakia on Friday, November 21, 2025.
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