Imagine if you could plug your brain into a machine that would bring you ultimate pleasure for the rest of your life. The only catch? You have to permanently leave reality behind. Hayley Levitt and Bethany Rickwald explore Robert Nozick’s thought experiment that he called the Experience Machine.
Could you have come up with Einstein's theory of relativity? If not - why not? This is what Marcus du Sautoy, professor of mathematics, wants to explore. Marcus readily admits that he is no genius, but wants to know if geniuses are just an extreme version of himself - or whether their brains are fundamentally different.
A plush country house is fixed with surveillance cameras while a group of unwitting test subjects - former pupils of a UK school - are first exposed to youthful memories to test if it can improve their health. This episode looks at how we behave in groups and puts our notions of hierarchy to the test.