Two years ago, a 71-year-old Indiana man impaled his hand on a branch after cutting down a dead crab apple tree, causing an infection that led scientists to discover a new bacterium and solve a mystery about how bacteria came to live inside insects.
Two years ago, a 71-year-old Indiana man impaled his hand on a branch after cutting down a dead crab apple tree, causing an infection that led scientists to discover a new bacterium and solve a mystery about how bacteria came to live inside insects.