Watch views from the SpaceX Dragon spacecraft that carried the Fram2 crew. It was the "first polar-orbit human spaceflight mission to explore Earth," according to SpaceX. Credit: SpaceX

Pupil outcome: I can explore the themes of duality and concealment in Chapter 5. Key learning points: - Utterson visits Jekyll in his laboratory, which is full of symbols relating to concealment - Utterson assumes that Jekyll is a victim...