Tuesday, 11 March 2014

Crabs nurse their wounds and may feel pain

Ask any biologist and they'll tell you — whether they agree or not — that there's no conclusive evidence that crabs and lobsters feel pain. In fact, unless a study involves an octopus or a squid (both animals that possess complex nervous systems), researchers don't have to obtain clearance from their institutions before performing experiments on animals devoid of spines, commonly called invertebrates. But, as The Washington Post reports, one researcher is questioning the "invertebrates don't feel pain" rule and finding interesting, albeit disquieting, results.
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