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What's the fairest voting system?
Is there a perfect way to elect politicians?
Why do my armpits smell?
Deodorant hasn’t been around forever, so is there any evolutionary reason for body odour?
Why do languages fade from us?
Can learning multiple languages make us forget our native tongue?
Why do some mushrooms glow?
We explore the mysterious phenomenon of bioluminescence
Why is my house getting sunnier?
A mysterious shift in sunshine through one listener’s window requires investigation
What does my voice say about me?
What shapes the sound of your voice? And is everybody’s voice unique?
Why can't my dog live as long as me?
And how do some animals tackle the ageing process head on?
Can I improve my sense of direction?
Why some people get lost while others have a great sense of where they are
Why am I good at jigsaw puzzles?
What skills do you need to complete a jigsaw puzzle? And why do we enjoy them?
Why does pain sometimes feel good?
What makes people seek out unpleasant or painful sensations, like eating chilli?
Will the Earth ever lose its Moon?
Anand Jagatia is ed by a of experts to answer listener questions about the Moon
I didn’t know that!
Did you know that flies fly in rectangles and fish hide by lighting themselves up?
Why am I embarrassed when I fall?
Falling can be serious – so why do we find it embarrassing or even funny?
Is beer better without alcohol?
How does non-alcoholic beer differ from the original - and is it better for us?
Which animal has the biggest carbon footprint?
Humans emit far too much planet-warming carbon, but what about other species?
How high can birds fly?
What altitude can birds cope with, and which species soars highest?
Is my smartwatch good for my health?
Do smartwatches reliably monitor fitness? And can they make us healthier?
Why can't I my early childhood?
Some huge milestones happen in our first years of life - but why do we forget them?
Is anything truly random?
A question about bathroom tiles has us wondering whether everything is pre-determined
Why isn't the sky green?
Why do we see so many colours in the sky, but never green?
Whatever happened to tangerines?
Can we track down a tangerine variety lodged in one listener's memory?
Is water wet?
The wetness of water seems obvious - but dive into the science and it's not so clear cut
Are humans naturally monogamous?
Why is one partner usually the norm for humans around the world?
Are there global food allergy hotspots?
Do food allergies vary around the world – and if so, why?
Where in the world will I weigh least?
We tackle gravity - a fundamental force of the universe, yet also an everyday mystery
How do you measure a mountain?
As sea levels rise, will mountains shrink? How do we measure height above sea level?
Why do animals swallow rocks?
Answering your questions about life, Earth and the universe
Why am I always late?
Why do some people find it easier to be punctual than others?
Can we feed everyone?
We ask leading agricultural experts about global food security
Why can't I fall asleep?
Why is getting to sleep much harder for some people than others?
Is red sky at night really sailor’s delight?
Just how reliable is this common weather proverb?
