LifeRisso’s dolphins have invented rapid spin-dive technique for hunting A species of dolphin that hunts prey living 600 metres below the surface spins its body as it dives so it can drill down through the water rapidly ¿ìè¶ÌÊÓÆµ
LifePenis worms had hermit crab-like defence system 530 million years ago More than half a billion years ago, tiny penis worms had learned to protect themselves by grabbing and living inside snail-like shells, like hermit crabs do today ¿ìè¶ÌÊÓÆµ