So sensitive and selective is the frog’s-eye computer that human scientists have long tried to construct a duplicate. At a bionics* symposium sponsored by the Air Force at Wright-Patterson Air ...

Sunlight filtered through the trees of a rainforest in northern Peru and illuminated an “iridescent” creature. Its “golden” eyes scanned the surroundings — but it wasn’t the only one looking. Passing ...

Four-eyed frog is the common name given to Pleurodema, a genus of frogs with characteristic poison glands which resemble eyes. When threatened, the four-eyed frog lowers its head and raises its ...