Humans and Apes joined by Humpbacks in 'Spindle Cell Brigade'
Spindle cells are found in the brains of only a few creatures on the planet. They are thought to be linked to intelligence.
Furthermore, in cetaceans they evolved earlier and are found in additional areas of the brain than those of primates.
It does make you wonder just how intelligent whales, dolphins, and porpoises are, and what it means for the ethics of the whaling industry and other hunts for these animals.
I'd also be interested in whether elephants have spindle cells in their brains, since they also exhibit complex behaviour.
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