In 2012, Scottish saturation deep sea diver Chris Lemons was stranded 300 ft underwater when his tether snapped, severing his lifeline for air, heat, and communication.
His only hope was a tiny emergency tank with barely five minutes of oxygen.
For nearly 30 minutes, he lay unconscious on the seabed in freezing darkness, without any real air supply.
When his colleagues finally reached him, they were certain he was dead. However, Chris was somehow alive.
Despite the extreme cold, lack of oxygen, and expected brain damage, he made a full recovery and returned to work weeks later.
Experts remain baffled, citing a mix of high‑oxygen preparation, the chilling water lowering his metabolism, and sheer luck as possible factors in his miraculous survival.