The narrative of 'Vivarium' presents an intriguing blend of science fiction intertwining the themes of animal experimentation and confinement within a laboratory setting. The plot revolves around a lab keeper who uncovers startling truths about the animals under their care, suggesting a deeper commentary on the ethics of scientific exploration and the obscured realities faced by living beings within research environments. The comments reflect a positive reception from readers, indicating engagement and appreciation for the storytelling and themes presented in the piece.