Cuttlefish, remarkable members of the cephalopod family, have demonstrated a surprising level of intelligence by passing the “marshmallow test” — a classic experiment designed to assess self-control and delayed gratification in humans. In controlled studies, the cuttlefish opted to wait for a more desirable reward rather than immediately consuming a lesser one. This ability to delay gratification suggests that cuttlefish possess complex cognitive functions, including foresight and impulse contro

11M views · 86K reactions | Just how smart are octopuses? One is put to the test in this watch-and-learn challenge. | National Geographic Animals | Facebook