Upper Big Branch

On Saturday night, about 9 p.m., a short, sharp explosion rattled one of Russia's largest coal mines, a deep maze of underground tunnels located in Siberia. About 370 miners were working at the time. Most of them came hurrying out of mine entrances. But not all. Managers organized rescue teams and sent about 50 people back into the Raspadskaya mine to hunt for survivors - and bodies. In the best of circumstances - which would not be in the panic of an emergency, in the middle of the night - this would be a daunting task. The mine's tunnels (an estimated 200 miles worth) plunge…
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…