When suicide bombers blow up crowded marketplaces, or a lone shooter attacks a nightclub, one question we’re always left with is why. What ideology or belief or loyalty would compel someone to do something so horrific? This hour, a look at the underlying psychology of political violence.Read more


Scientists are launching one of the most audacious projects ever conceived: a detailed map of the human brain, neuron by neron, synapse by synapse. For some scientists...
