- Cuttlefish can show the same amount of self-control as bigger-brained animals, a test found.
- The cephalopods resisted taking food immediately to get a better reward later.
- Similar tests are used on humans, usually children, to test cognitive development.
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Cuttlefish can be as good at controlling their urges as animals like chimpanzees, crows and parrots, researchers have said.
In a new study published Wednesday, scientists put six cuttlefish…