Complex sentence: The two scientists show a photo of it to a the scientist who heads the parapsychology division of the university, who is also skeptical, but agrees to set up a study in Carla's house.
Split into simpler sentences: The two scientists show a photo of it to the scientist who heads the parapsychology division of the university. The head scientist is also skeptical, but agrees to set up a study in Carla's house.