Watching an octopus punch an annoying fish is hugely satisfying to frustrated humans. And other animals do the ...
In the past, many scientists believed that only mammals and birds could feel or think in complex ways. Reptiles, fish, and insects were seen as simple creatures that reacted purely on instinct. But ...
A clever tropical fish has flipped how biologists are thinking about memory, brains and visual recognition in the animal kingdom. Here’s how.
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