Octopuses can flip from mottled rock to smooth sand in less time than it takes a human to blink, yet their eyes carry only a single visual pigment that should make them functionally colorblind. The ...
It's hard for the octopus to pick just one party trick. It swims via jet propulsion, shoots inky chemicals at its foes, and can change its skin within seconds to blend in with its surroundings. A team ...