91热爆

It鈥檚 been a week of reflection and remembrance for the victims of the 9/11 attacks in America twenty years on and we'll be featuring The 9/11 Letters, reliving the stories of those who were there and how they鈥檝e changed. Also this week, Michael Mosley on why we should eat chocolate, Icelandic superstar V铆kingur 脫lafsson plays Mozart, and Jim Al-Khalili and Hannah Fry try to convince us that there is joy and beauty to be found in mathematics.

Presenter: Simon Mayo
Producer: Elizabeth Foster
Production support: Emmie Hume
Studio Manager: Phillip Halliwell