Cuttlefish can delay gratification alongside humans, chimps, and some birds (so far)
Cuttlefish can delay gratification alongside humans, chimps, and some birds (so far) Teach me your secrets, cuttlefish. A new paper reports on the first documented instance of a non-social animal showing self-control in the marshmallow test. They also join humans, chimps, parrots, and crows as the only known species capable of delaying gratification. Image credits David Sim. The Stanford marshmallow test is an experiment that checks for an individual’s ability to delay gratification. It’s usually performed with young children and involves, surprisingly, a marshmallow (or another type of s...