By Divers Alert Network Oxygen toxicity is a serious condition, and many divers struggle to understand it. We know that monitoring oxygen exposure is important to our safety, but we may not know what happens if we exceed safe exposure limits or why those limits even exist. Following training …

  By Stan Waterman I grow old… I grow old… I shall wear the bottom of my trousers rolled. Shall I part my hair behind? Do I dare to eat a peach? I shall wear white flannel trousers, and walk upon the beach. I have heard the mermaids singing …