Curious Cases Episodes Available now
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The Burning Question—Series 6
What is fire? Is it a solid, liquid or a gas? Adam Rutherford and Hannah Fry investigate.
The Cat Who Came Back—Series 6
How do cats find their way back to their old home when they move house?
The Forgetful Child—Series 5
Why don't we remember the first few years of our lives?
The Astronomical Balloon—Series 5
'How far up can a helium balloon go? Could it go out to space?' asks Juliet Gok, aged 9.
A Code in Blood—Series 5
Why do we have different blood types? Drs Rutherford and Fry investigate.
The World That Turns—Series 5
'Why does the Earth spin?' asks Joe Wills from Accra in Ghana.
The Broken Stool—Series 5
How much does the bacteria inside my body weigh?
The Lost Producer—Series 4
Why do some people have a terrible sense of direction?
The Bad Moon Rising—Series 4
Does the full moon make us act strangely?
The Hunt for Nothing, Part 2—Series 4
How zero was discovered and why it allows us to forecast the future.
