[echelon]

If the rules that govern intelligence are simple (and intuition tells me they are), then the immune system is certainly a complicated and prickly beast.

https://en.wikipedia.org/wiki/V(D)J_recombination is wild.

My money is on the immune system being more complicated.

[anonymouskimmer]

I don't want to double post: https://news.ycombinator.com/item?id=35933061