Video: An octopus at Rosario Beach Marine Laboratory catching a crab, and changing color. Credit: Kirt L. Onthank. While it prompts new questions, it also provides possible answers for others.

For the first time ever, marine biologists have measured how much energy octopuses really need to change color — and it's a lot.

In 2019, scientists captured video footage of an octopus named Heidi changing colors in her sleep, which sparked speculation that octopuses may also change color when they dream.

Octopus That Changes Color While Sleeping Might Be Dreaming, Scientist Says: 'This Really Is Fascinating' Published Sep 25, 2019 at 11:07 AM EDT Updated Sep 27, 2019 at 1:36 PM EDT By ...

Color change reveals hidden energy trade-offs While the advantages of an octopus’s color-changing abilities are well-documented, their energetic costs have remained largely unknown.

Watch a sleeping octopus that could very well be dreaming, in this video clip posted on YouTube on Monday to promote the TV show Octopus: Making Contact on PBS.

In it, we get to see a color-changing octopus as Scheel walks the viewers through a possible narrative of the dream. The video first aired in September 2019 and was part of Octopus: Making Contact ...

If you have not yet witnessed the wonder of an octopus changing color instantaneously, then you should go do that right now. We humans are only slowly playing camouflage catch up. A new color ...

“There’s not a lot of natural systems out there that change that fast and there’s not a lot of color-changing materials that are that fast without requiring a lot of external [changes].” Building a ...

Octopus change color as they shift between sleep phases. Researchers still don't fully understand why animals, including humans, need sleep. By Ellie Shechet. Updated Mar 26, 2021 2:11 PM EDT.

A new light-activated ink can change color on demand. It’s made up of colored microbeads that rise in response to different wavelengths of light to change a surface color, which could be useful ...

A newly developed rubbery, octopuslike robot can change colors to hide or stand out in its environment. Scientists at Harvard have recently begun developing flexible robots from elastic plastics ...