In this article information is given about diving, the necessary diving equipment is also described. Refraction of light in the water makes it necessary for divers to wear goggles. Other diver’s apparatus are mask and flippers, a belt with weights,snorkel,knife, watch, life-jacket,and underwater camera. Dangerous encounters in the deep are mentioned. One is told how to deal with creatures of the deep ranging from sea anemones,jellyfish and sea scorpions, to encounters with sting-rays and sharks. One is also given detailed instructions of how to give the kiss of life for resuscitation.