Cuttlefish can change colour in 200 milliseconds, as fast as a human can blink. Cuttlefish have W-shaped pupils, which are ...

Many animals possess the remarkable ability to change color, a crucial survival strategy honed over millions of years. This adaptation allows them to camouflage themselves from predators, ambush prey ...

Chameleons are known for their colour-changing abilities. This is not just for camouflage. Nanocrystals and specialized cells control colour shifts. These shifts communicate emotions and attract mates ...