The entire Human Behavioural Biology unit lectures at Stanford, by the brilliant Robert Sapolsky, are online and they will change the way you understand yourself and others:

www.youtube.com/watch?v=NNnIGh9g6fA&list=PL848F23…

It’ goes into some fairly deep science but is still very accessible, Sapolsky is a brilliant educator. His book Behave is basically these lectures in book form, the audiobook of it is on Spotify.