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Rutherford and Fry

The Impossible Number

What is the 'imaginary' number - and why is it so incredibly useful?

• 41 mins

Series 1

Introducing a brand new series of Curious Cases!

Hannah Fry and Dara Ó Briain answer your quirkiest questions with SCIENCE.

• 2 mins

Series 1

1. Space Bubbles

Hannah Fry and Dara Ó Briain investigate giant bubbles...

• 28 mins

Series 1

2. The 5 Second Rule

Hannah Fry and Dara Ó Briain investigate the science behind the 5 Second Rule.

• 28 mins

Series 1

3. Mirror, Mirror

Hannah Fry and Dara Ó Briain apply their scientific super-powers to all things shiny.

• 30 mins

Series 1

4. In the Groove

Hannah Fry and Dara Ó Briain get in the groove as they investigate the science of rhythm.

• 30 mins

Series 1

5. The Taste of Words

Hannah Fry and Dara Ó Briain investigate why some people can literally taste words.

• 29 mins

Series 1

6. The Shock Factor

Dara Ó Briain and Hannah Fry investigate the mystical power of lightning.

• 28 mins

Series 1

7. Invincible Moss Piglets

Hannah Fry and Dara Ó Briain stress test tardigrades: would they survive an apocalypse?

• 28 mins

Series 1

8. Be More Athlete

Hannah Fry and Dara Ó Briain investigate what makes a good athlete.

• 29 mins

Series 1

9. A lemon-powered spaceship

Hannah Fry and Dara Ó Briain investigate how many lemons it takes to power a spaceship?

• 29 mins

Series 1

10. Night Walkers

Hannah Fry and Dara Ó Briain investigate sleepwalking

• 28 mins

Series 1

11. Freeze Me When I Die

Can you freeze dead people and bring them back? Hannah Fry and Dara Ó Briain investigate

• 28 mins

Series 1

12. Bored to Death

Hannah Fry and Dara Ó Briain wonder whether you die of boredom?

• 30 mins

Series 1

13. The Fastest Fly

Hannah Fry and Dara Ó Briain want to know what is the fastest fly?

• 29 mins