Nitrogen narcosis is no laughing matter for two divers trying to set a personal depth record. Get our lessons for life.

Three buddies push their training and venture deep into a cave; only two make it out. Get our lessons for life.

A new diver runs out of air at the safety stop and forgets her training. Learn from this panicked diver.

In this Lessons for Life, an inexperienced diver is forced to make an emergency ascent runs out of air—and luck.

An asthmatic diver pays the price for not recognizing his limitations.

A scuba diver ignores the signs of a medical condition and chooses to dive anyways, leaving him unconscious and out of time.

One scuba diver pays the ultimate price when he decides to leave his buddy to enter a shipwreck on his own.

A teen diver has a conservative dive profile, but shows symptoms of DCS. Despite the signs, he chooses to fly. See what went wrong.

A diver tries to recover a boat that overturned and sank in a local harbor, but without the training needed to bring the boat to the surface he loses his life.