My browser is already set up in private browsing mode, so no history or cookies are ever saved by the time I shut it down after a session.
Although, even if they did see it.. they already have a general idea of what they would find, as I have implied the content I look up several times in casual conversation already with them. I'm not ashamed of anything I look up on the internet.. well, not the intentional stuff, anyways.
*Shudders*