Q and A: Disney, Dark Matter, and Deja Vu

What is dj vu? Why do I get angry when I'm hungry? Why do I remember every Disney lyric, but can't remember how to set my oven? Materials physicist Jess Wade, neuroscientist Philipe Bujold, animal behaviour expert Eleanor Drinkwater, and physicist Francesca Day join Chris Smith, to answer a brilliant barrage of scientific questions...