Such novel proteins may also hold the key to explaining Vibrio cholerae's great mystery: how a free-floating marine microorganism can turn into such a killer.

ECONOMIST: The cholera genome

Perhaps the "killer app" for improving learning may turn out to be the lowly database.

FORBES: Instant feedback in the classroom

When risk managers, compliance officers and hospital attorneys turn a blind eye to a serial killer to protect their institutions, they don't go to prison.

CNN: Bring medical misdeeds into the light