In October 1968, students from two neighbouring universities in the centre of São Paulo clashed in a battle which left one dead and many injured. We hear how the so-called 'Battle of Maria Antônia' drove Brazil deeper into a military dictatorship which is still controversial to this day. Plus, a pioneering race relations case in Britain during World War 2, the invention of artificial skin and fashion in the Soviet Union.

Photo: the 'Battle of Maria Antonia', São Paulo, 1968. Credit: Agência Estado/AFP