ruby wax, welcome to hardtalk. thank you.ave made one heck of a career shift from tv star to student of the brain and neuroscience. does amusing and entertaining people no longer matter to you? i am still entertaining them. but now i am talking about the brain. i think people now crave information. what could be more interesting than the three pound size of a macdonalds, can i say that, that is on the top of your head? there is nothing more fascinating. now i take it on tour. it is ted talk squared. i explained the journey, but i have to say it because nobody else is. so your mission, if i can put it that way, is to try and explain to people how the brain works and how that can be linked to issues of mental illness in an entertaining way. i had a show that was about mental illness that i toured for the last seven years. that was a little bit about mental illness. this new one is really about everybody‘s brain. shall i tell you how that started? go on. the other show started because comic relief said, could they take a photo o