A team of deep-sea explorers visited the wreck of the RMS Titanic for the first time in nearly 15 years, and discovered that large portions of the wreck are vanishing as rust and aquatic microbes eat away. The international team, which had previously dove the Marianas Trench, used a submersible to descend to and navigate the two halves of the Titanic, which are spread out over half a kilometer of seabed. The series of five dives to the wreck were used to capture footage for a documentary, as well as…