hydrogen sulphide

Recently, at events for my book, I sometimes find myself describing the gas carbon monoxide as a favorite poison. "It's just so efficient," I'll joke. "And I like things that work." In an academic sense, I do respectfully admire carbon monoxide's simplicity (a carbon atom + an oxygen atom) and the way such basic chemical addition creates something so deadly. But in light of last week's mining disaster in West Virginia (the subject of two previous posts on this blog), I want to acknowledge that poisonous efficiency is mostly a formula for tragedy. If you followed the news reports on the fiery…