Almost 112 years after it sank into the icy Atlantic, the tragic maiden voyage of the Titanic endures as a public obsession. One of those shipwreck junkies is the Cox Science Center and Aquarium in West Palm Beach, which this weekend will revive its blockbuster display of real artifacts from the doomed ship for the second time in 10 years. Opening Thursday, Oct. 12, “Titanic: The Artifact ...