The Mythbusters team did the math on the actual size and fit for two bodies on a door of the Titanic, and shared their findings with James Cameron: yes, Jack and Rose could totally have survived together on that door. As some commenters point out via Twitter, however, there's an argument to be made that it's not just the surface area of the door that's in question, but the buoyancy. (thanks, Tara McGinley!)
Boing Boing editor/partner and tech culture journalist Xeni Jardin hosts and produces Boing Boing's in-flight TV channel on Virgin America airlines (#10 on the dial), and writes about living with breast cancer. Diagnosed in 2011. @xeni on Twitter. email: firstname.lastname@example.org.