flergum writes "While dolphins may have big brains, laboratory rats and goldfish can outwit them. It appears that the large brains are a function of their environment rather than intelligence. From the article: 'Dolphins have a superabundance of glia and very few neurons... The dolphin's brain is not made for information processing it is designed to counter the thermal challenges of being a mammal in water.' I guess this means that the Navy will start recruiting and training goldfish for those mine search and destroy missions."
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