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This AI Can Estimate How Long You've Been Dead. How It Works Is the Weird Part
Gizmodo • • science
Key Points:
- Researchers developed an AI system called mHolmes that estimates postmortem intervals (PMI) by analyzing microbial changes on cadavers, potentially improving forensic investigations.
- mHolmes was trained on daily skin microbiome samples from the face and hip of 34 human cadavers over 21 days, enabling it to predict microbial development across different body parts with an average error of less than two days.
- Unlike previous methods with errors of ±3 days, mHolmes can reconstruct past microbial activity even with incomplete data, making it useful for fragmented or decomposed remains.
- The AI’s predictions align with known biological decomposition stages, making its process explainable rather than a "black box."
- While promising, mHolmes requires further validation with larger datasets, diverse environments, and standardized protocols before it can be fully integrated into forensic practice or legal proceedings.
