Octopuses can taste with their arms, and a new study reveals that specifically, they're tasting chemical cues from microbes that grow on the surface of objects like dead crabs and living octopus eggs.

It's not all that unusual to see octopus on a restaurant menu. But an octopus as a family pet? Cameron Clifford of Edmond, Okla. says his 9-year-old son Cal is a huge fan of the eight-legged creatures ...