Nessays.com

The body is not a machine, an update of a 2016 essay that is even more relevant now. 

Why Constructive Engagement is Rare-- PDF version here
How objectivity harms fitness, making polarization all too human

Remembering George Williams

What is Evolutionary Medicine? --A short introduction to the field 
  (PDF version here)

Schools of Minnow, Schools of Thought

Essays for the EDGE annual questions

Twitter thread on why it is hard to demonstrate antidepressant effectiveness