Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. An octopus evading a predator has one of the coolest evolutionary ...

Octopuses and squid possess the amazing ability to blend in with their surroundings, but now, researchers have created a man-made system that mimics this form of camouflage. The team developed ...

Octopuses cycle through two stages of slumber, a new study reports. First comes quiet sleep, and then a shift to a twitchy, active sleep in which vibrant colors flash across the animals’ skin. These ...