Wreck of the RMS Titanic research. The stern section, which had previously received relatively little attention from explorers, was specifically targeted for analysis. The microbial colonies aboard "Titanic" were also a key focus of investigation. The second expedition, from 27 May – 12 June 2004, saw the return of Robert Ballard to "Titanic" nearly 20 years after he discovered it. The expedition spent 11 days on the wreck, carrying out high-resolution mapping using video and stereoscopic still images. 2005 saw two expeditions to the "Titanic". James Cameron returned for the third and last time to film "Last Mysteries of the Titanic". Another expedition searched for
Wreck of the RMS Titanic of the University of Seville in Spain, has determined that the wreck of "Titanic" will not exist by 2037 and that preservation of "Titanic" is impossible. "Unfortunately, because Titanic is 2.3 miles down, it is very difficult or impossible to preserve. It is film which will preserve it for history now," says Mann. "It has already lasted for 100 years, but eventually there will be nothing left but a rust stain on the bottom of the Atlantic... I think Titanic has maybe 15 or 20 years left. I don't think it will have too much longer than that." Other scientists