Animals like chameleons and octopuses are renowned for their almost supernatural ability to change color and blend into their surroundings. Now, it turns out the blue shark (Prionace glauca) has ...

The shark's blue color comes from guanine crystals, which reflect blue light, combined with melanosomes that absorb other wavelengths. These elements, encapsulated in distinct cells, act like a ...

Contrary to its evocative name, the blue shark (Prionace glauca) may possess an unsuspected ability: to change its color. A team of Hong Kong researchers has identified nanostructures in its skin, ...