Is monogamy unnatural?

In a new interview with Playboy, Scarlett Johansson says "I don't think it’s natural to be a monogamous person”. Do you agree? We bring together people from around the world to discuss their experiences.

Also, how much should gay teachers talk about their sexuality in the classroom? One of our most-read articles today is the account of a British high school teacher who told an assembly of 1,000 students that he is gay.

Picture: Scarlett Johansson at the "Avengers: Age of Ultron" European premiere (JUSTIN TALLIS/AFP/Getty Images)