Why do we faint, and does it serve any useful purpose? Read more
The Squeamish Swoon
Why do we faint, and does it serve any useful purpose?
The Stellar Dustbin
Can we send our waste into the sun? Drs Rutherford & Fry investigate.
The Tea Leaf Mystery
What's the optimum scientific method for making the perfect cup of tea?
The Psychic Tear
Why do we cry, and does it makes us feel better?
A Study in Spheres
Why is everything in space round? Drs Rutherford and Fry investigate.
The Hairy Hominid
How does leg hair know to grow back the same length? And why do we have body hair?
The Counting Horse
Can horses count? And which animal is the best at maths?
The Sinister Hand Part 1
What makes people left-handed?
The Sinister Hand Part 2
How being left-handed affects your brain and behaviour.
The Space Pirate
Could we live on another planet?
The Portly Problem
What causes middle-aged spread?
The Strongest Substance
What is the strongest thing in the universe?
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?
The Broken Stool
How much does the bacteria inside my body weigh?
The World That Turns
'Why does the Earth spin?' asks Joe Wills from Accra in Ghana.
A Code in Blood
Why do we have different blood types? Drs Rutherford and Fry investigate.
The Astronomical Balloon
'How far up can a helium balloon go? Could it go out to space?' asks Juliet Gok, aged 9.
The Forgetful Child
Why don't we remember the first few years of our lives?
The Cat Who Came Back
How do cats find their way back to their old home when they move house?
The Burning Question
What is fire? Is it a solid, liquid or a gas? Adam Rutherford and Hannah Fry investigate.
The Dark Star
The science sleuths investigate the question 'What's inside a black hole?'.
Itchy and Scratchy
Why do we itch and should we scratch?
Kate Bush's Sonic Weapon
Can sound kill? Inspired by a Kate Bush song, we ask whether sonic weapons could work.
The Curious Cake-Off
How to make the perfect sponge using the power of science.
The Polar Opposite
What would happen if the Earth's magnetic poles flipped?
The Sticky Song
Why do tunes get stuck in our heads? And what makes some songs stickier than others?
The Shocking Surprise
Why do we get static shocks? Our science sleuths try to crack another case.