Add Yahoo as a preferred source to see more of our stories on Google. Octopuses are renowned for their instant color-changing abilities, a skill they use to outwit predators and surprise prey. Yet, ...

For the first time ever, marine biologists have measured how much energy octopuses really need to change color — and it's a lot. When you purchase through links on our site, we may earn an affiliate ...

Octopuses change color to camouflage themselves from predators such as stingrays and eels. Octopuses have even been observed changing color in their sleep. Octopus's color-changing ability is known as ...

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