Watching an octopus punch an annoying fish is hugely satisfying to frustrated humans. And other animals do the ...

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This octopus behavior might look funny at first glance, but it reveals how evolution solves complex problems in unexpected ways.

Octopuses may have big brains because of environmental – not social – factors. Large brains in mammals are generally thought to be linked to social behaviour, an idea known as the social brain ...

Octopuses have a few characteristics that make them stand out as one of the most intelligent mollusks in the ocean. These slippery, strange ocean creatures, characterized by their large craniums and ...