What should we look for when doing code review? How should we receive code reviews from others?
thoughbot's Code Review guide is a great starting point. It articulates principles for the relational side of code review. This is especially relevant for us in a remote environment. How we give and receive feedback is as important as the feedback itself.
The following is a very incomplete list of questions to ask yourself during code review. The items here are meant to be starting points for a conversation with the code's author. Always assume the best intentions.