To offer a non-work topic of conversation? Try local sports or a TV show instead.
To inform them about current events? They are already informed to the degree they want to be, by the sources they want to read/watch. You know this because they have not asked for help from you.
To share an exciting piece of history? History is always unfolding around us. Share an episode of Stuff You Missed In History Class instead.
To stir the pot? Watch a telenovela instead to get your dose of drama.