Duck or Rabbit?

With Stig Abel and Thea Lenarduzzi: Tim Crane guides us through our philosophy special edition (including on how the brain works); Lisa Hilton helps to recover the voices of Parisian wartime women; Anna Katharina Schaffner explains why the Nazis were all high. Plus Andrew Motion reflects on his freedom from the role of Poet Laureate, and reads his poem "Evening Traffic". For information regarding your data privacy, visit