Final answer:
Aylmer talks to Georgiana about his scientific discoveries, which include his past experiments and their outcomes.
Step-by-step explanation:
Between experiments, Aylmer tells Georgiana about his scientific discoveries. Specifically, he discusses his past experiments and observations. He recounts his recorded experiments and the successes and failures of his scientific career. Moreover, Aylmer's dialogues with Georgiana often involve his observations on her condition and the effects of their controlled environment, revealing his concerns and his intense focus on the scientific aspects of their situation.