Music is one of the surest ways to influence human emotions; most people unconsciously recognize and respond to music that is happy, sad, fearful or mellow. But psychologists who have tried to trace the evolutionary roots of these responses usually hit a dead end. Nonhuman primates scarcely respond to human music, and instead prefer silence. A new report by Charles Snowdon, a professor of psycholo...

A team of Vanderbilt University Medical Center investigators has cracked one of clinical medicine`s enduring mysteries – what happened to the tuberculosis vaccine. The once-effective vaccine no longer prevents the bacterial lung infection that kills more than 1.7 million people worldwide each year. Their solution, reported in the journal PLoS One, could lead to an improved TB vaccine and als...