```json
{
  "TragedyDegree": 7,
  "ComedyDegree": 2
}
```

**Explanation:**

- **Tragedy Degree (7):** The story contains significant tragic elements with the deaths of two researchers and the emotional turmoil faced by Dr. Pierce. The narrative reveals the impact of ambition and negligence leading to catastrophic results, maintaining a serious and somber tone.

- **Comedy Degree (2):** The story has minimal comedic elements. There is a sense of relief when the case is solved, but the overall narrative remains largely grave and devoid of humor or light-hearted moments.
