Biology is very messy and very data constrained. We think that human anatomy works one way- but surgery and radiology are hard because every human is very diffe

Biology is very messy and very data constrained. We think that human anatomy works one way- but surgery and radiology are hard because every human is very different. Missing organs, odd tissue performing unclear functions, different, new or missing muscles. It’s unclear whether a world ending virus is even possible. There might be better luck with prions, or fungi.