Nobody envies the sex life of a male Australian giant cuttlefish, also known as Sepia apama. The largest cuttlefish on Earth, these cephalopods typically mate only once in their lives and outnumber ...
Their camouflage seems almost magical, but scientists have observed some tricks the cephalopods use to blend in with their surroundings. By Veronique Greenwood Put a cuttlefish on the spot — or, to be ...