Cuttlefish color change behaves more like a reflex than a mood, because neurons from the brain fire tiny muscles that pull ...

The golden tortoise beetle, native to North America, is known for its striking color changes. This beetle can shift from a shiny gold to a dull red or brown, depending on its mood or environmental ...

By harnessing electron-beam patterning to control the swelling and contraction of a soft polymer, researchers created a ...