AP: Marine Explorer Hunts for Earhart's Plane

At 17,000 feet beneath the surface, the temperature of ocean water is just above freezing, oxygen is sparse and currents are relatively calm. In other words, ideal conditions for preserving an airplane that might have crashed into the depths nearly 70 years ago, according to marine explorer David Jourdan, who hopes to answer one of aviation's greatest mysteries — the fate of famed pilot Amelia Earhart.