Scuba Quizzes

In the past, you may have wondered what possesses people who decide to dive into frigid water beneath vast expanses of ice, only to emerge into freezing air soaking wet.

Without corals, the oceans would be sad, dismal places. Lending color, motion, and interest to the underwater environment, they also serve as homes, food, and defense systems for other types of marine life. How do corals protect themselves?

Free diving is both an art and a science; it’s something not everyone can do, or even has the desire to do. Those who take part in this sport are subject to incredible challenges rooted deep in history. When did people first begin the practice of free diving?

Unless you dive in warm water free of hazards, it’s likely that you wear some type of exposure protection; the colder it is and the more potential hazards are present, the greater your need for protection. When were the first diving suits invented? What is an ambient pressure diving suit?