Young jumping spiders dangle by a thread through the night, in a box, in a lab. Every so often, their legs curl and their spinnerets twitch — and the retinas of their eyes, visible through their ...

Researchers observed the common cuttlefish (Sepia officinalis) routinely wave its arms in four flashy gestures. Cuttlefish wave their expressive arms in four distinctive dancelike signals—potentially ...

Ze Frank used his mellifluous voice to teach us indisputably true Morgan Freeman facts. Then he relayed more true facts about the seahorse, the tarsier, and the mantis shrimp. Now he’s back after a ...

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National News The Cuttlefish, a Master of Camouflage, Reveals a New Trick Consider the cocktail umbrella. Like their larger counterparts, these wee things can be furled and unfurled easily. Once you ...

Duke biologist Sarah Zylinski wants to better understand how cuttlefish see the world. Like their relatives octopus and squid, cuttlefish are master camouflagers—and Zylinski says you can learn ...

Before we had the luxuries of modern science, folks used to believe that every land animal had a counterpart in the sea. So in the depths there naturally must be sea cows, sea unicorns, and even sea ...

They can rapidly alter their skin colour at will, as camouflage or communication Have three hearts that pump a green-blue coloured blood Speculated that their eyes are developed before birth — ...

In addition to its visual camouflage, the Common cuttlefish (Sepia officinalis) has a stealth technology to protect itself from predators that might detect it in the electrical spectrum. The ...