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 ...
Blending in with your surroundings is a crucial (and fascinating) skill in the animal kingdom, which is why many animals can change colors on demand. Chameleons, seahorses, and octopuses can all do it ...
When the scientists paired two male octopuses in the same setup, the males interacted by touching arms, but they never attempted to mate. This suggested that a specific, female-derived chemical cue ...
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