The Zedonk Problem
What are ligons and tigers? What is a species? Read more
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 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.
The Guiding Hound
How do guide dogs know where they're going?
The Weirdness of Water Part 1
‘Please explain the weirdness of water?’ asks Neil Morton in Stirling.
The Weirdness of Water Part 2
Adam Rutherford and Hannah Fry attempt to answer more questions on why water is weird.
The Painless Heart
Why does my heart not ache after exercise?
The Slippery Situation
'What is the most slippy thing in the world?' asks eight-year-old Evelyn from London.
The Venomous Vendetta
Will a venomous snake die if it bites itself? asks Janni in Amsterdam.
The Mystery of the Teenage Brain
Why do my teens struggle to get out of bed in the morning? asks Michelle.
The Weird Waves of Wi-Fi
“How does Wi-Fi work - is it magic?” asks Abby
We’ve got two eyes, two arms, two legs - but only one heart. Why!? asks Joanne.
The Shocking White Hair
Can human hair turn white overnight from shock? Hannah and Adam investigate greying hair.
The Turn of the Tide
Why are tide times and ranges so different around the UK, asks Lynn?
The Colour Conundrum
‘How do we see colour - and why are some people colour blind?’ asks Maya Crocombe.