The Exotic Wormhole
What are wormholes and do they really exist? Read more
What are wormholes and do they really exist?
A preview of series 16: Longer, louder and locked down.
The Growling Stomach
Why do our tummies rumble - and when they do, does it always mean we are hungry?
The Seeded Cloud
Can we make it rain?
The Sting in the Tail
What’s the point of wasps?
The End of Everything
When and how is the universe going to end?
The Zedonk Problem
What are ligons and tigers? What is a species?
The Space Burrito
Is there a point in space where the Sun could heat a burrito perfectly? And other puzzles.
The Curious Cases of Rutherford & Fry
The Hamster Power Hypothesis
How many hamsters on wheels would it take to power London? asks Judah from Virginia, USA.
The Martian Mission
What would it take for humans to live permanently on Mars? asks listener Martin.
The Good and Bad in Fungi
"Why are some fungi helpful and others harmful?" asks Paul Glaister in Reading.
The Pizza Diet
Can I make a pizza that contains my recommended daily intake of everything? asks Paul
The Noises That Make Us Cringe
Why do some people find noises like a fork scraping a plate so terrible?
The Scientific Exploration of Astrology
Could there be something to astrology?, asks Dan in Australia.
The Mosquito Conundrum
What’s the point of mosquitoes? asks Cathy.
The Flying Clock and the Stopped Watch
Do individuals perceive time differently? asks Joe from North Yorkshire
A Weighty Matter Part 1
How does gravity pull us? asks Emma.
A Weighty Matter Part 2
Is dark matter a fudge to fit existing theories to inexplicable observations? asks Peter.
Back to The Sinister Hand
What determines left or right handedness? asks Neal Shepperson
More Frytful Scares
Why do people like to be scared? asks Heidi.