DURHAM, N.C. -- We humans are fixated on big brains as a proxy for smarts. But headless animals called brittle stars have no brains at all and still manage to learn through experience, new research ...
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A brittle star. Photo by the Florida Museum of Natural History Invertebrate Zoology. Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert!
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