PM, you have three tabs open with 40-minute lecture videos, a 50-page PDF that feels like it’s written in a different language, and a looming exam that’s starting to feel like a nightmare.

It has been 100 years since it sank, and 27 years since it was rediscovered. Now the wreck of Titanic has finally become what it was always meant to be: an archaeological site. Inside a laboratory of ...