Turtles' numbers drop in the Pacific, but more are showing up in the Atlantic.
Scientists hope to learn why.
2000 - Leatherback sea turtles have survived since a time when dinosaurs roamed the earth. Now, researchers are using satellite tracking to find out more about the turtles' habits. Call it GPS for reptiles. And it just might provide the clue that could save the giant turtles from extinction. The experiment was prompted by a surprising discovery on beaches along Florida's eastern shoreline.