Associated Press: A second try is about to get under way at sending a little yellow submarine gliding across the Atlantic Ocean to collect scientific data from beneath the waves. “The launching is tremendously exciting because there is just so much that we don’t really know about what happens in the oceans,” said Jane Lubchenco, head of the National Oceanic and Atmospheric Administration. “The capacity to fly through the ocean, across the Atlantic, taking data about temperature, salinity and …