Curious Cases Episodes Available now

The Sticky Song—Series 7
Why do tunes get stuck in our heads? And what makes some songs stickier than others?

The Polar Opposite—Series 7
What would happen if the Earth's magnetic poles flipped?

The Curious Cake-Off—Series 7
How to make the perfect sponge using the power of science.

Kate Bush's Sonic Weapon—Series 6
Can sound kill? Inspired by a Kate Bush song, we ask whether sonic weapons could work.

Itchy and Scratchy—Series 6
Why do we itch and should we scratch?

The Dark Star—Series 6
The science sleuths investigate the question 'What's inside a black hole?'.

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.