Cuttlefish ‘delay gratification’ and pass the ‘marshmallow test’ in US experiments
In an amazing show of self-control, cuttlefish can resist the impulse to eat a morsel of food if it means getting to eat two morsels later on, a new study shows. In experiments, the marine molluscs passed a variation of the ‘marshmallow test’ – originally used in the 1970s to measure a child’s ability to … Read more