Scuba diving for beginners : symptoms of nitrogen narcosis
Know when to surface when diving. Learn about Symptoms of Nitrogen Narcosis in this free scuba diving lesson from our experienced diver and certified PADA dive master. Expert: Cole Abbott Bio: Cole Abbott is currently working as a divemaster in Kauai, Hawaii. He holds many certifications through PADI, including Wreck Diver, Night Diver, Fish Identification and Search and Rescue. Filmmaker: Amy Miy…
