CNN Early Start With John Berman and Christine Romans April 18, 2014 08:06:00
People that survive the actual capsizing of the ship. three dangers that they face. one is the temperature, right? if you're in the cold water, you're not going to last for very long. another now is, as you're in that air pocket, you're going to use up oxygen, and the act of breathing is going to create a lot of carbon dioxide, and carbon dioxide toxicity is your main threat. so, for that nigerian chef, given the size of his air pocket, he could have survived for about 70 hours. and lucky for him, he was saved after 60. >> stay with us for continuing coverage of the search for survivors in thi...