When other necessary functions are also at play – changing the texture of the skin to mimic rock or coral, for example, and the neural load – octopus camouflage becomes a hefty energetic cost.
While camouflaged on the ocean floor off the coast of Israel in the Red Sea, octopods use their arms to grab unsuspecting prey Pesto the Enormous, Viral King Penguin Molts His Baby Feathers (01:06 ...
A number of diseases mimic the symptoms of rheumatoid arthritis (RA), an autoimmune form of arthritis. These include bacterial joint infections, inflammatory diseases, other autoimmune diseases, and ...