A mysterious sea creature just aced a test designed for human kids, showing brainpower that rivals chimps and crows. Scientists didn’t expect this kind of self-control from a predator with no spine or social life.
A study published in Proceedings of the Royal Society B has revealed that common cuttlefish can pass a test of delayed gratification—a benchmark of cognitive ability typically applied to children, primates, and birds. This research, led by behavioral... [3975 chars]