Can singing teacher Michael Bonshor improve Hannah's vocal tone?
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Series 4
Hannah Fry has a singing lesson
The Melodic Mystery
'Why is my mother tone deaf?' asks listener Simon. The team investigates.
The Hunt for Nothing, Part 1
Does nothing exist? Our scientific duo consider the nature of nothing.
The Hunt for Nothing, Part 2
How zero was discovered and why it allows us to forecast the future.
The Bad Moon Rising
Does the full moon make us act strangely?
The Lost Producer
Why do some people have a terrible sense of direction?