Nostrils of Flesh and Clay by Porpentine

You are a scent detective, drifting through a world torn apart by greed and nausea. With colors dripping from your nostrils, you flex cartilage and demand to know...what is Project Olympia? Who are the lepers that sing but don't say a word? What is that deadly, doom-laden scent of meringue? Innocence is the surest sign of guilt...

Note: "smell (noun)" is an important command that can be used on everything.