The great civil rights song turns 50 – the political made personal, and heartbreak transmuted into fiery action
There are few fantasies so absurd as the idea of living on through fame. So why does immortality still beckon?
Islands are a natural laboratory for science, they gave us evolution. But isolation is no model for a cosmopolitan age
Junky, out-of-date science fuels jury errors and tragic miscarriages of justice. How can we throw it out of court?