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Octopuses change color in milliseconds, even though they’re colorblind

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 ...
CNET

Watch an octopus change color while sleeping

Journalist Bonnie Burton writes about movies, TV shows, comics, science and robots. She is the author of the books Live or Die: Survival Hacks, Wizarding World: Movie Magic Amazing Artifacts, The Star ...
nerdist

Octopus Displays Unreal Color Changes as It (Possibly) Dreams

We don’t know if androids dream of electric sheep, but whatever octopuses dream of must be something adventurous because they change color a lot while they’re sleeping. And while the octopus in the ...
Popular Science

This sleeping octopus twitches in technicolor—but is she dreaming?

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. In the house of David Scheel, Heidi the octopus lies dreaming ...
Popular Science

For octopuses, changing colors is hard work

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. It’s not easy being green–or blue, or purple, or orange–at ...